January Weather in Slanic, Romania

Last updated: August 27, 2025

January in Slanic, Romania presents a chilling yet captivating atmosphere, characterized by a maximum temperature of 10°C (50°F) and an average hovering around -3°C (26°F). The month can dip to a brisk minimum of -20°C (-5°F), creating a winter wonderland for those brave enough to embrace the cold. With 42 mm (1.6 in) of precipitation spread over 6 days, the landscape is often refreshed by snow or rain, while the humidity levels soar to a comfortable 91%, adding to the crisp air. This blend of frosty temperatures and moist conditions makes January a picturesque time to explore Slanic's serene beauty.

January Temperature in Slanic

In Slanic, Romania, January marks the peak of winter, with temperatures plunging to a minimum of -20°C (-5°F) and averaging around -3°C (26°F). Despite the chill, the month offers a stark beauty, as the landscape is often blanketed in pristine snow. As the month progresses, the mercury can occasionally rise to a maximum of 10°C (50°F), hinting at the subtle transition towards spring. Notably, January's cold is part of a trend that sees temperatures gradually warming as the year unfolds; by February, for instance, the minimum temperature softens slightly to -18°C (0°F), and by March, even the average nudges above freezing at 2°C (37°F). This gradual climb not only defines the season but also sets the stage for a vibrant and rejuvenating spring, illustrating the dynamic weather patterns that characterize Slanic throughout the year.

January Weather in Slanic: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Slanic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slanic, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec263136455462646657484031
Data source: Temperature data for Slanic generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Slanic

January in Slanic, Romania, ushers in a relatively tranquil start to the year, with precipitation totaling 42 mm (1.6 in) over just six rainy days. This modest amount sets the stage for a gradual increase as winter transitions into spring, with February seeing a slight uptick to 45 mm and a few more precipitation days. As the months roll on, rainfall climbs significantly, peaking in May and June with 142 mm (5.6 in) and 155 mm (6.1 in) respectively, highlighting a clear trend of escalating precipitation throughout the spring and into summer. This pattern suggests that Slanic experiences a shift from the drier, cooler months of early winter to a lush, wet season, culminating in vibrant landscapes by the early summer.

January Precipitation Trends in Slanic

The chart displays monthly precipitation patterns in Slanic, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Slanic, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4245665714215512110244644780
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Slanic

In January, Slanic, Romania, experiences a notably high average humidity level of 91%, setting a trend that continues into the winter months. As the year progresses, humidity gradually decreases, dropping to 86% in February and reaching 83% in March. This trend of declining moisture persists, with levels falling to 74% in April and further down to 70% by May, suggesting a gradual transition towards a drier climate as spring unfolds. However, the arrival of summer brings a slight relief, as July and August see humidity levels stabilize around 65% and 51%, respectively. As autumn approaches, humidity begins to creep up again, culminating in 80% by October and peaking once more in the late year with 88% in November and 90% in December. This cyclical pattern highlights Slanic's unique climatic rhythm, characterized by its high winter humidity and a more moderate summer.

January Average Humidity in Slanic

This chart illustrates the average monthly humidity levels in Slanic, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Slanic is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%86%83%74%70%67%65%51%58%80%88%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Slanic

In January, Slanic, Romania experiences a UV Index of 2, indicating a low risk of harm from unprotected sun exposure, with a burn time of 45 minutes. As the months progress, the UV Index gradually increases, peaking at 9 during the summer months of June, July, and August, classified as very high, where only 15 minutes of sun exposure is safe for skin without protection. This trend highlights a significant seasonal variation in UV intensity; February and March see moderate levels with indices of 3 and 5, respectively. By April, however, caution becomes more crucial as the UV Index jumps to 7, signifying a high exposure risk. As autumn approaches, the UV levels decline again to moderate levels in October and November, before dropping back to low in December. For more detailed insights into the UV index throughout the year, visit Slanic UV Index.

Maximum UV Index Levels in Slanic for January

The chart shows the monthly maximum UV Index (UVI) for Slanic in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Slanic typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789997532
Data source: Slanic January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Slanic

In Slanic, Romania, January welcomes visitors with a modest 172 hours of sunshine, setting a gentle tone for the year. As winter transitions into spring, a noticeable increase in sunlight unfolds, with February brightening the landscape to 225 hours, and this trend continues into March and April, where sunshine peaks at 286 and 342 hours, respectively. By May, the days grow longer and sunnier, reaching 382 hours, before hitting a peak in July at 416 hours—a time when the region basks in its warmest embrace. The abundance of sunshine begins to wane as summer turns to autumn, with August still enjoying a generous 400 hours, yet September’s 335 hours signals the onset of shorter days. As winter looms again, the sunlight dips, leaving November and December with 213 and 187 hours, reflecting nature’s quiet slumber. Overall, the annual sunshine pattern in Slanic showcases a vibrant journey from winter's calm to the sunny exuberance of summer.

Monthly Sunshine Duration in Slanic: January Highlighted

The January sunshine duration represents the total number of hours Slanic experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec172h225h286h342h382h397h416h400h335h281h213h187h
Data source: Slanic January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Slanic During January

In January, Slanic, Romania experiences a modest 21% chance of sunny weather, marking it as one of the cloudier months of the year. As winter progresses into February, this likelihood nearly doubles to 39%, hinting at a gradual transition towards brighter days. The sunshine potential remains consistent through March and April, with 38% and 35% chances, respectively. Notably, springtime months such as May and June see a commendable uplift, both featuring a 39% chance of sunshine, suggesting that the gloomy winter is giving way to more cheerful weather. As the year progresses into the summer, the probability for sunny days climbs significantly, peaking at 55% in July and even higher in August at 57%. This clear trend underscores the shift from the overcast skies of January to the vibrant summer, illustrating Slanic’s transformation into a sun-soaked destination in the warmer months.

Percentage of Sunny Days in January in Slanic

The chart illustrates the percentage of sunny days in Slanic throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Slanic experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%39%38%35%38%39%55%57%49%41%31%24%
Data source: Slanic January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Slanic in January

In Slanic, Romania, the daylight duration in January marks the beginning of a gradual increase, starting with 9 hours of sunlight—a stark contrast to the shorter days of December. As the winter chill begins to wane, February offers a brief respite with an improvement to 10 hours of daylight. This trend continues into March, where 11 hours of brightness herald the arrival of spring. By April, the days stretch to 13 hours, providing more opportunities to enjoy the awakening landscape. The peak of daylight occurs in June and July at 15 hours, inviting vibrant summer days. However, as summer gives way to autumn, daylight begins to wane again; August sees a slight decrease to 14 hours, followed by September's 12 hours. This decline continues into the autumn months, with November and December returning to 9 and 8 hours of daylight respectively, encapsulating the cyclical nature of the seasons and their impact on daily life in Slanic.

Average Daylight Hours in Slanic for January

The chart illustrates the variation in daylight duration in Slanic throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 10m10h 24m11h 56m13h 31m14h 52m15h 33m15h 11m14h12h 28m10h 54m9h 31m8h 48m
Data source: Slanic daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Slanic

In January, the winds in Slanic, Romania are gently crisp, with an average speed of 1.9 m/s (4 mph), setting a tranquil tone for the start of the year. As we transition into February, there's a slight uptick, reaching 2.0 m/s, hinting at the approach of spring. However, by March, the winds increase to 2.1 m/s, providing a refreshing breeze that often invigorates the landscape after winter's chill. Yet, this mild surge is short-lived; April sees a drop back to 1.8 m/s, followed by consistent patterns throughout the warmer months, where winds hover around 1.8 to 2.1 m/s. Notably, from August through November, the winds settle at 1.7 m/s, embracing a quieter period before picking up slightly again by December. Overall, the wind in January not only marks a serene beginning but also reflects a consistent, gentle rhythm that characterizes Slanic's climatic charm throughout the year.

Average January Wind Speed in Slanic

The chart displays monthly wind speed patterns in Slanic, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.9 m/s2.02.11.82.11.81.81.81.71.71.71.9
Data source: Slanic January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Slanic Compares to Other Months

Weather in Slanic varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Slanic, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February exhibit similar cold weather patterns, but February shows a slight warming trend. In January, temperatures range from a minimum of -20°C (-5°F) to a maximum of 10°C (50°F), with an average of -3°C (26°F). Precipitation is relatively low at 42 mm (1.6 in) over 6 days, and humidity remains high at 91%. In contrast, February's temperatures increase slightly, with a minimum of -18°C (0°F) and a maximum of 17°C (63°F), averaging -1°C (31°F). The month sees a bit more precipitation at 45 mm (1.8 in) over 8 days, while humidity decreases slightly to 86%. For more details on February weather, visit Slanic weather in February.

January and March exhibit contrasting weather patterns as winter gradually gives way to spring. In January, temperatures can plunge to a minimum of -20°C (-5°F) and typically hover around a frigid average of -3°C (26°F), with a maximum reaching only 10°C (50°F). The month sees 42 mm (1.6 in) of precipitation over 6 days, accompanied by a high humidity level of 91%. In contrast, March experiences a noticeable warming trend, with minimum temperatures around -17°C (2°F) and an average rising to 2°C (37°F), peaking at 20°C (69°F). Precipitation increases to 66 mm (2.6 in), spread over 12 days, while humidity decreases to a more moderate 83%. For a closer look at the weather specifics in March, you can explore Slanic weather in March.

The weather in January is characterized by much colder temperatures, with lows reaching -20°C (-5°F) and an average of -3°C (26°F). In contrast, April brings a significant warmth, with minimum temperatures around -11°C (12°F) and an average of 7°C (45°F). While January sees precipitation on about 6 days, April experiences slightly more rainfall over 10 days, totaling 57 mm (2.2 in) compared to January's 42 mm (1.6 in). Additionally, the humidity in January remains high at 91%, while it decreases to a more comfortable 74% in April. For more details on what to expect in April, check out this link: Slanic weather in April.

In January, weather conditions are marked by frigid temperatures, with minimums plunging to -20°C (-5°F) and average highs only reaching 10°C (50°F). This month experiences 42 mm (1.6 in) of precipitation over approximately 6 days, coupled with a high humidity level of 91%, contributing to a chilly and damp atmosphere. In contrast, May shows a significant warming trend, with temperatures ranging from a minimum of -1°C (31°F) to a pleasant maximum of 25°C (77°F) and an average of 12°C (54°F). However, May has increased precipitation at 142 mm (5.6 in) spread over 20 days, accompanied by a lower humidity level of 70%. This shift creates a more vibrant and humid spring environment compared to the harshness of January. For more details, visit Slanic weather in May.

January and June present strikingly contrasting weather conditions. In January, temperatures plummet to a minimum of -20°C (-5°F) with an average of -3°C (26°F) and a maximum reaching only 10°C (50°F). The month experiences significant humidity at 91%, with precipitation amounting to 42 mm over six days. In contrast, June brings a much warmer climate, with temperatures starting at a minimum of 2°C (37°F), averaging 16°C (62°F), and peaking at a maximum of 30°C (85°F). This month sees higher precipitation levels, totaling 155 mm spread over 22 days, and a notably lower humidity at 67%. For more detailed information about June weather in Slanic, visit Slanic weather in June.

January and July present starkly contrasting weather patterns. In January, temperatures can plummet to a minimum of -20°C (-5°F) and typically hover around an average of -3°C (26°F), with a maximum temperature of 10°C (50°F). This month is characterized by high humidity at 91%, alongside 42 mm (1.6 in) of precipitation over about 6 days. In contrast, July boasts much milder conditions, with minimum temperatures around 7°C (45°F) and an average of 18°C (65°F), while highs can reach up to 29°C (85°F). The summer month experiences more rainfall, totaling 121 mm (4.8 in) across 17 days, but with significantly lower humidity at 65%. For a closer look at July weather specifics, you can visit Slanic weather in July.

January and August present contrasting weather patterns. In January, temperatures plummet, with minimums reaching -20°C (-5°F) and an average of just -3°C (26°F), while maximums barely touch 10°C (50°F). This frigid month also sees heavy humidity at 91% and a total precipitation of 42 mm (1.6 in) over 6 days. In stark contrast, August boasts a significantly warmer climate, with temperatures ranging from a minimum of 6°C (42°F) to a comfortable average of 19°C (66°F), peaking at 32°C (89°F). Despite being a summer month, August experiences more precipitation at 102 mm (4.0 in) spread over 13 days, but the humidity drops to 51%. For more details, you can check Slanic weather in August.

The weather in January is characterized by its cold temperatures, with averages around -3°C (26°F) and minimums plunging to -20°C (-5°F). In contrast, September offers a much milder climate, with average temperatures rising to 14°C (58°F) and highs reaching up to 29°C (85°F). Both months experience similar levels of precipitation, with January at 42 mm (1.6 in) and September slightly higher at 44 mm (1.7 in), but January sees it spread over only 6 days compared to September's 8 days of rain. Humidity also varies significantly, remaining high in January at 91%, while September enjoys a more comfortable humidity level of 58%. For more detailed insights on September weather, visit Slanic weather in September.

January and October present stark contrasts in weather conditions. In January, temperatures drop significantly, with a minimum of -20°C (-5°F) and an average of -3°C (26°F), making it the coldest month of the year. Humidity is high at 91%, and the month sees around 42 mm (1.6 inches) of precipitation over six days. In contrast, October offers milder conditions, with a minimum temperature of -3°C (27°F) and an average of 9°C (48°F), climbing to a maximum of 24°C (75°F). The month experiences slightly more precipitation at 64 mm (2.5 inches) over eight days, albeit with lower humidity at 80%. For a detailed look at climate patterns, you can refer to Slanic weather in October.

January and November exhibit stark differences in temperature and overall weather patterns. In January, the temperatures plunge significantly, with minimums reaching -20°C (-5°F) and an average of -3°C (26°F), while November enjoys milder conditions, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 22°C (71°F) and an average of 4°C (40°F). Precipitation levels are relatively similar, with January receiving 42 mm (1.6 in) over 6 days and November slightly wetter at 47 mm (1.9 in) across 10 days. Additionally, humidity remains high in both months, but January features a slightly higher percentage at 91%, compared to November's 88%. For more detailed insights about November weather, you can refer to Slanic weather in November.

January and December present a stark contrast in weather conditions. In January, temperatures reach a minimum of -20°C (-5°F) and an average of -3°C (26°F), with a maximum of 10°C (50°F). The month sees less precipitation, totaling 42 mm (1.6 in) over about 6 days, while humidity remains high at 91%. In comparison, December experiences slightly milder temperatures, with a minimum of -16°C (4°F), an average of 0°C (32°F), and a maximum of 13°C (55°F). However, it has greater precipitation, accumulating 80 mm (3.1 in) across 11 days and maintaining a humidity level of 90%. To explore more about December’s climate specifics, you can visit Slanic weather in December.

Compare Slanic's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Slanic

January in Slanic presents a striking contrast to other months, characterized by its cold temperatures and high humidity levels. With average conditions hovering around -3°C and frequent precipitation, this winter month envelops the region in a chill that can dip to -20°C on particularly frigid nights. The combination of 91% humidity and 42 mm of rainfall over six days adds a dampness that can make the air feel even colder. As winter settles in, January stands out as a true embodiment of the season, inviting visitors to experience Slanic’s serene winter landscape. For a deeper understanding of the weather patterns throughout the year, explore Slanic Climate.