January Weather in Slanic, Romania

Last updated: August 27, 2025

January in Slanic, Romania offers a unique winter experience characterized by chilly temperatures and notable humidity. With a maximum temperature reaching 11°C (52°F) and average lows dropping to -2°C (28°F), residents and visitors alike should be prepared for the potential of colder days, with minimum dips plunging to -22°C (-7°F). The month sees about 40 mm (1.6 in) of precipitation over approximately 6 days, adding a layer of beauty to the frosty landscape. The high humidity at a striking 88% contributes to the crisp, fresh air that defines this enchanting season in Slanic.

January Temperature in Slanic

January in Slanic, Romania, showcases the heart of winter, where temperatures can plummet to a brisk -22°C (-7°F) at night, offering a stark contrast to the daily chill that averages around -2°C (28°F). As the month progresses, daytime highs reach a surprisingly mild 11°C (52°F), hinting at the gradual transition towards spring. This pattern of extreme cold followed by a slight thaw is typical of Slanic’s winter climate, setting the stage for the warmer temperatures that begin to emerge in February. As the days lengthen and temperatures begin to rise, the cold grip of winter gives way to softer days, making January a month of both challenge and beauty in this picturesque region.

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).
JanFebMarAprMayJunJulAugSepOctNovDec283238475664666859494033
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

In January, Slanic, Romania, experiences modest precipitation, with 40 mm (1.6 in) falling over just 6 days. This marks the beginning of the year with relatively light rainfall compared to the subsequent months. As winter transitions into spring, February sees a slight increase in precipitation to 44 mm (1.7 in) across 8 days, foreshadowing the wetter months ahead. The trend continues upward as March brings 59 mm (2.3 in), setting the stage for the peak spring and summer months. By May, the rainfall swells to an impressive 111 mm (4.4 in) over 17 days, highlighting the transition to the wetter season. This pattern culminates in June, which records the highest precipitation at a substantial 165 mm (6.5 in) over 21 days, establishing a notable peak in Slanic's annual weather cycle. As the year progresses, the rainfall begins to taper off, leading to drier conditions in late summer and early autumn.

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.
JanFebMarAprMayJunJulAugSepOctNovDec404459621111651429144674780
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 notable humidity level of 88%, setting the stage for a rather damp start to the year. This high humidity continues into February at 85% before gradually decreasing in March to 82%. As spring approaches, April and May see a marked drop, with humidity levels falling to 73% and 71%, respectively. The trend of declining humidity persists through the summer months, reaching a comfortable low of 66% in July and a dry 48% in August. However, as autumn rolls in, humidity begins to rise once again, peaking at 87% in November and returning to 88% in December, creating a cyclical pattern of dampness that characterizes Slanic's climate throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%82%73%71%70%66%48%57%79%88%88%
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 low UV Index of 2, allowing for leisurely outdoor activities without significant risk of sunburn, with a burn time of 45 minutes. As the months progress, the UV Index gradually increases, peaking at 9 during the height of summer in both June and July, where sun exposure becomes much more critical with only 15 minutes of burn time recommended. This trend highlights the transition from low exposure in the winter months to very high levels in the summer, underscoring the importance of sun protection as temperatures rise. By October, the UV Index recedes to 5, marking a return to moderate exposure into the cooler months. For more detailed insights, check out the 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
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 kicks off the year with 175 hours of sunshine, setting a serene yet subdued tone for the winter months. However, as we transition into February, there's a notable increase to 236 hours, hinting at a growing brightness that continues into March with 295 hours. The sun's embrace becomes even warmer in April, reaching 346 hours, and by May, the daylight surges to 392 hours—a clear indication that spring is in full swing. As summer arrives, June and July peak at 404 and 424 hours respectively, enveloping the region in a golden glow. The sunshine begins to wane in August with 406 hours, but the lingering warmth can still be felt as September settles in at 342 hours. The months that follow see a gradual decline, with October at 290 hours, November dropping to 226 hours, and December concluding the year with 196 hours. This trend showcases a vibrant seasonal cycle, reflecting the dynamic nature of sunshine in Slanic throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec175h236h295h346h392h404h424h406h342h290h226h196h
Data source: Slanic January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Slanic During January

In Slanic, Romania, January is characterized by a relatively low 21% chance of sunny weather, marking it as one of the cloudier months of the year. As winter persists, this likelihood begins to improve notably in February, climbing to 40%. This gradual increase continues into the spring months, peaking in July and August, where the sun shines with remarkable frequency at 58% and 57% respectively. Overall, while January may not be the ideal month for sun-seekers, it sets the stage for a brighter transition as the seasons change, heralding sunnier days ahead in the coming 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%40%38%38%38%36%58%57%50%42%32%21%
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 9m10h 23m11h 56m13h 32m14h 53m15h 34m15h 13m14h12h 29m10h 54m9h 30m8h 46m
Data source: Slanic daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Slanic

In January, the gentle breeze in Slanic, Romania reaches an average wind speed of 2.1 m/s (5 mph), setting a tranquil tone for the month. As winter lingers, this steady but mild wind is consistent with the general trend observed throughout the seasons. Notably, wind speeds slightly increase as we transition into February and March, peaking at 2.4 m/s. However, as spring approaches, the winds begin to mellow again, dropping to 1.9 m/s in April. This pattern of fluctuating yet moderate winds continues, with the warm summer months bringing lighter breezes, particularly in August, where it dips to 1.7 m/s. Overall, January serves as a reminder of the winter's calm, while the gradual changes in wind speed reflect the natural rhythm of the seasons in this picturesque Romanian landscape.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.1 m/s2.32.41.92.32.12.01.71.92.01.92.1
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.

In comparison to January, February generally exhibits slightly milder temperatures, with average conditions rising from -2°C (28°F) in January to 0°C (32°F) in February. The minimum temperature also sees an improvement, moving from a chilly -22°C (-7°F) to a still-cold -14°C (7°F). Precipitation increases slightly from 40 mm (1.6 in) over 6 days in January to 44 mm (1.7 in) across 8 days in February, while humidity remains fairly constant at 88% in January compared to 85% in February. For more detailed information about February weather in this region, you can visit Slanic weather in February.

January weather is characterized by its harsh cold, with average temperatures hovering around -2°C (28°F) and nighttime lows plunging to as low as -22°C (-7°F). While there is some precipitation, amounting to 40 mm over about 6 days, the humidity remains high at 88%, contributing to the chilly conditions. In contrast, March experiences a noticeable warming trend, with average temperatures rising to 3°C (38°F) and daytime highs reaching up to 20°C (69°F). However, March is slightly wetter, with 59 mm of precipitation spread over 11 days, and the humidity also decreases to 82%. For a detailed look at the specific conditions in March, you can check Slanic weather in March.

January and April present contrasting weather patterns, illustrating the transition from winter to spring. In January, temperatures can plummet to a frigid minimum of -22°C (-7°F), with an average of -2°C (28°F) and a maximum of 11°C (52°F). The month typically experiences about 40 mm (1.6 in) of precipitation over approximately 6 days, accompanied by high humidity levels at 88%. In stark contrast, April showcases a significant warming trend, with minimum temperatures around -9°C (16°F) and averages rising to 8°C (47°F), peaking at a comfortable 25°C (77°F). This month also sees increased precipitation, totaling 62 mm (2.4 in) over about 10 days, but with lower humidity at 73%. For a closer look at April weather patterns, you can visit Slanic weather in April.

January and May display contrasting weather patterns. In January, temperatures can plummet to a minimum of -22°C (-7°F), with an average of -2°C (28°F) and a maximum of 11°C (52°F). The month is characterized by high humidity at 88% and experiences about 40 mm (1.6 in) of precipitation over 6 days. In stark contrast, May brings milder conditions, with minimum temperatures of 0°C (33°F) and an average of 13°C (56°F), peaking at 26°C (80°F). The month sees significantly more rainfall, totaling 111 mm (4.4 in) across 17 days, although humidity decreases to 71%. For a closer look at weather conditions during this time, check out Slanic weather in May.

In January, temperatures can plummet to a minimum of -22°C (-7°F), with averages around -2°C (28°F) and highs reaching only 11°C (52°F). The month sees relatively low precipitation, amounting to 40 mm (1.6 in) across just 6 days, but the high humidity of 88% can make the cold feel even more biting. In contrast, June experiences significantly milder weather, with temperatures ranging from a minimum of 3°C (38°F) to a comfortable average of 18°C (64°F) and highs peaking at 30°C (87°F). However, June is much wetter, with precipitation totaling 165 mm (6.5 in) over 21 days, accompanied by lower humidity at 70%. This stark contrast in weather highlights the dramatic seasonal shift from the frigid depths of winter to the warmth and occasional rain of summer. For more details on June weather, you can check Slanic weather in June.

January and July showcase a stark contrast in weather patterns. In January, temperatures can plummet as low as -22°C (-7°F) with an average of -2°C (28°F), indicating a frigid winter climate. The month sees limited precipitation, accumulating about 40 mm (1.6 in) over approximately six days, coupled with high humidity levels at 88%. In contrast, July experiences a much milder climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (89°F), and an average temperature of 19°C (67°F). This summer month witnesses significantly higher precipitation levels at 141 mm (5.6 in) spread across 19 days, along with a lower humidity of 66%. For more detailed insights into July weather, you can visit Slanic weather in July.

January and August show stark contrasts in weather conditions. In January, temperatures range from a chilly -22°C (-7°F) to a mild 11°C (52°F), with an average of -2°C (28°F). This month sees a high level of precipitation, totaling 40 mm (1.6 in) across 6 days, coupled with a humidity level of 88%, resulting in a notably cold and damp environment. Conversely, August boasts much warmer temperatures, with a minimum of 7°C (45°F) and a maximum reaching up to 33°C (92°F), averaging 20°C (68°F). Precipitation increases to 91 mm (3.6 in) spread over 13 days, yet the humidity drops to a more comfortable 48%, creating a distinctly warmer and drier atmosphere. For more details on August weather, visit Slanic weather in August.

In January, the weather is characterized by much colder temperatures, with minimums plunging to -22°C (-7°F) and an average of -2°C (28°F), while maximum temperatures reach only 11°C (52°F). The month sees about 40 mm (1.6 in) of precipitation over approximately 6 days, accompanied by high humidity levels at 88%. In contrast, September offers a significantly milder climate, with temperatures ranging from a minimum of -2°C (28°F) to a comfortable average of 15°C (60°F), peaking at a maximum of 31°C (88°F). Precipitation increases slightly to 44 mm (1.7 in) spread over 7 days, but humidity drops to a more pleasant 57%. For a more detailed look at September weather, visit Slanic weather in September.

In January, the weather is characterized by frigid temperatures, with a minimum of -22°C (-7°F) and an average of -2°C (28°F), providing a stark contrast to October, where the minimum temperature is a milder -3°C (27°F) and the average climbs to 10°C (50°F). While January experiences less precipitation at 40 mm (1.6 in) over 6 days, October sees increased rainfall of 67 mm (2.6 in) across 8 days, contributing to a warmer and more humid atmosphere with 79% humidity compared to January's chillier 88%. For a detailed look at October weather in this region, visit Slanic weather in October.

January and November present quite distinct weather patterns. January is typically much colder, with average temperatures around -2°C (28°F), dipping as low as -22°C (-7°F), whereas November enjoys milder temperatures averaging 5°C (41°F) and peaking at 23°C (74°F). Additionally, January experiences about 40 mm (1.6 in) of precipitation over approximately 6 days, while November sees a slightly higher precipitation total of 47 mm (1.9 in) across about 10 days. Humidity remains relatively similar, with January at 88% and November at 87%. For a closer look at November's weather specifics, visit Slanic weather in November.

When comparing the weather in January and December, January is generally colder, with average temperatures ranging from -22°C to 11°C (-7°F to 52°F), while December’s temperatures are less severe, averaging from -14°C to 13°C (7°F to 55°F). Additionally, January sees less precipitation at 40 mm (1.6 in) over 6 days, compared to December, which experiences higher precipitation levels of 80 mm (3.1 in) over 11 days. Both months maintain a similar humidity level of 88%, creating a consistently damp atmosphere. For more details, you can check 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 stark contrast to the warmer months, characterized by its chilly average temperatures and notable humidity. With occasional precipitation spread over several days, the winter atmosphere envelops the town, creating a serene yet brisk environment. While the maximum temperatures barely reach comfortable levels, the biting cold at night can drop significantly, emphasizing January's place as one of the coldest months of the year. This distinctive weather serves as a reminder of the region's diverse climate patterns throughout the seasons. For a more in-depth look at how January fits into the broader climatic trends, visit Slanic Climate.