January Weather in Groznjan, Croatia

Last updated: March 17, 2025

In January, Groznjan, Croatia experiences a cool and damp climate, characterized by a maximum temperature of 13°C (56°F) and an average of 5°C (41°F), with lows dipping to a chilly -7°C (20°F). The month sees 56 mm (2.2 in) of rainfall over approximately 7 days, contributing to a notable humidity level of 88%. This combination creates a unique atmosphere in the charming town, perfect for enjoying its serene winter landscapes amidst the whispers of rain.

January Temperature in Groznjan

In January, Grožnjan, Croatia, greets visitors with a crisp embrace, as temperatures can dip to a chilly -7°C (20°F) at night, but the days offer a mild reprieve with averages around 5°C (41°F) and highs reaching 13°C (56°F). This month signals the end of the coldest season, with temperatures gradually rising in February, when the minimum barely nudges up to -6°C (22°F), and averages inch towards 7°C (44°F). By March, the town begins to thaw, showcasing slightly warmer weather with similar lows but averages rising again, hinting at the approaching spring. This trend of increasing warmth continues into April, where the average temperature climbs to 13°C (55°F), setting the stage for an awakening of nature as the landscape transforms, offering a vibrant glimpse of the seasons to come.

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

The chart illustrates January temperature patterns in Groznjan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404448556272757668595144
Data source: Temperature data for Groznjan 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 Groznjan

In January, Groznjan experiences a moderate precipitation amount of 56 mm (2.2 in), falling over seven days. This marks the beginning of the year with relatively light rainfall compared to the subsequent months, which typically bring higher accumulations. As winter transitions to spring, February sees a significant increase in precipitation, nearly doubling to 118 mm (4.6 in) over ten days. The trend continues into the spring months, with April's rainfall reaching 103 mm (4.0 in) and May peaking at 142 mm (5.6 in) spread across 17 days. This pattern highlights a steady escalation in precipitation as the year progresses, suggesting that while January may start with a gentle drizzle, Groznjan is well-prepared for the wetter seasons that follow.

January Precipitation Trends in Groznjan

The chart displays monthly precipitation patterns in Groznjan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5611872103142876570164107176150
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Groznjan

In Groznjan, Croatia, January stands out with its high humidity level of 88%, creating a notably damp atmosphere that sets the tone for the winter months. As the year progresses, humidity levels begin to decline, dipping to 82% in February, before continuing to decrease to around 73% by March and April. This trend of decreasing humidity persists through May and June, reaching its lowest point of 63% in the heat of July. However, as summer gives way to autumn, humidity levels start to rise again, with September seeing a slight increase to 64%. By October, the humidity spikes to 83%, and it remains elevated through the end of the year, illustrating a seasonal rhythm that showcases Groznjan’s diverse climatic character. The cyclic nature of humidity here not only influences local weather patterns but also adds to the enchanting allure of this quaint Croatian town throughout the seasons.

January Average Humidity in Groznjan

This chart illustrates the average monthly humidity levels in Groznjan, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Groznjan

In January, Groznjan, Croatia, experiences a low UV Index of 2, allowing for safe outdoor activities with a burn time of about 45 minutes. As the months progress, the UV Index steadily rises, peaking in the summer with values reaching 9 in June and July, categorized as very high, demanding greater caution with a significantly reduced burn time of just 15 minutes. The transition from winter to spring and then into summer reveals an escalating pattern in UV exposure. By April, the UV Index climbs to 6 (high), indicating that sun protection measures are becoming increasingly important. As autumn approaches, the UV levels start to decrease again, settling back into the moderate range by October and November. This seasonal variation underscores the importance of staying informed about the UV Index throughout the year. For more detailed information, check out the Groznjan UV Index.

Maximum UV Index Levels in Groznjan for January

The chart shows the monthly maximum UV Index (UVI) for Groznjan 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Groznjan 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 Groznjan

Nestled in the picturesque landscape of Groznjan, Croatia, the sun casts its warm embrace throughout the year, but it’s January that subtly hints at the promise of brighter days ahead. With 182 hours of sunlight, this month marks the beginning of a steady ascent, as the days gradually lengthen and become sunnier. By February, the number climbs to 223 hours, indicating a burgeoning anticipation for spring. The real transformation unfolds in the following months; March welcomes 315 hours, and by April, the sunshine intensifies further to 344 hours. As summer approaches, June and July shine bright with 417 and 430 hours respectively, creating a sun-soaked paradise. Beyond July, the hours gently recede, but even in the cooler autumn months, Groznjan maintains a vigorous warmth, ensuring that sunshine remains a constant companion for longer than many would expect.

Monthly Sunshine Duration in Groznjan: January Highlighted

The January sunshine duration represents the total number of hours Groznjan 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h223h315h344h372h417h430h397h326h293h229h207h
Data source: Groznjan January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Groznjan During January

In Groznjan, Croatia, the likelihood of sunny weather in January is relatively modest, with a 32% chance of sunshine. This figures follows a trend of increasing sunshine as the year progresses, with February seeing a slight uptick to 41%. As spring approaches, the probability of sunny days blossoms dramatically, climbing to 63% by March before reaching its peak in the summer months. Notably, January's sunless skies are a stark contrast to the sunny splendor of later months, making the arrival of spring a highly anticipated transformation as the sun begins to shine more consistently across the landscape.

Percentage of Sunny Days in January in Groznjan

The chart illustrates the percentage of sunny days in Groznjan 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 Groznjan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%41%63%44%40%55%51%61%59%50%37%38%
Data source: Groznjan January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Groznjan in January

In Groznjan, Croatia, January welcomes the year with approximately 9 hours of daylight, signaling the gradual shift toward longer days as winter begins to relinquish its grip. As the month progresses to February, daylight increases to 10 hours, hinting at the approaching spring. This upward trend continues into March with 11 hours, and by April, daylight reaches a refreshing 13 hours. The sun shines brightest in the summer months of June and July, offering a generous 15 hours of daylight, making these perfect for outdoor adventures. As summer fades into autumn, daylight begins to wane, with August still enjoying 14 hours, but by September, it drops to 12 hours. The descent continues into October and November, culminating in December's 8 hours, marking the end of the cycle. This rhythmic transition not only highlights the beauty of natural change but also invites residents and visitors alike to savor each season’s unique charm in Groznjan.

Average Daylight Hours in Groznjan for January

The chart illustrates the variation in daylight duration in Groznjan throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 8m10h 22m11h 56m13h 32m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Groznjan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Groznjan

In January, Groznjan experiences a gentle whisper of winds, with an average speed of 3.0 m/s (7 mph). This sets a tone of tranquility that resonates through the winter landscape. As the month transitions to February, the winds ease slightly to 2.8 m/s (6 mph), indicating a calmness that often characterizes early winter. Interestingly, March shows a further decrease to 2.6 m/s (6 mph), suggesting a lull in the breezes before spring’s energetic arrival. April brings a revival of winds, returning to 3.0 m/s (7 mph), and this rejuvenation continues into May, boasting an average of 3.2 m/s (7 mph). The summer months, however, tend to be softer, with June dipping to 2.2 m/s (5 mph) before gradually increasing again by the fall months. This pattern of fluctuation reveals a fascinating interplay between the seasonal climates of Groznjan, where the winds flirt between gentle breezes and spirited gusts, marking the passage of time throughout the year.

Average January Wind Speed in Groznjan

The chart displays monthly wind speed patterns in Groznjan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.0 m/s2.82.63.03.22.22.52.82.43.63.72.3
Data source: Groznjan January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Groznjan Compares to Other Months

The weather in Groznjan changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Groznjan and find detailed weather information for every month.

In January, the weather typically features a minimum temperature of -7°C (20°F) and an average of 5°C (41°F), with a maximum reaching 13°C (56°F). The month sees about 56 mm (2.2 in) of precipitation over 7 days, accompanied by high humidity at 88%. Conversely, February brings slightly milder temperatures, with a minimum of -6°C (22°F) and an average of 7°C (44°F), peaking at 19°C (67°F). However, it is a wetter month, receiving 118 mm (4.6 in) of precipitation across 10 days and lower humidity of 82%. For more details on February weather, you can refer to Groznjan weather in February.

In January, the weather is characterized by colder temperatures, with an average of 5°C (41°F) and a maximum of 13°C (56°F), while the minimum can drop to -7°C (20°F). The month sees a fair amount of precipitation, totaling 56 mm (2.2 in) over about 7 days, accompanied by high humidity levels at 88%. In contrast, March brings milder temperatures, with an average of 9°C (48°F) and a maximum of 21°C (70°F) while still experiencing a minimum of -7°C (20°F). Although March has slightly more precipitation at 71 mm (2.8 in) over 8 days, the humidity is significantly lower at 73%. For more detailed comparisons, you can check Groznjan weather in March.

January and April present contrasting weather conditions. In January, temperatures range from a chilly -7°C (20°F) to a mild 13°C (56°F), with an average of around 5°C (41°F). The month sees about 56 mm (2.2 in) of precipitation over approximately 7 days, accompanied by high humidity levels at 88%. In contrast, April warms up significantly, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), averaging around 13°C (55°F). Rainfall increases to 103 mm (4.0 in) spread over 10 days, while humidity drops to a more comfortable 73%. For a more detailed look at what to expect, check out Groznjan weather in April.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (56°F) and an average of 5°C (41°F). The month experiences frequent precipitation, with rain falling on about 7 days and an average humidity of 88%. In stark contrast, May brings a much warmer climate, featuring a minimum temperature of 7°C (46°F) and peaking at 27°C (81°F), with an average of 17°C (63°F). Although May sees more rainfall—142 mm (5.6 in) over 17 days—the humidity is lower at 70%. For a detailed look at the weather patterns in May, you can check Groznjan weather in May.

January and June present significantly contrasting weather patterns. In January, temperatures range from a chilly -7°C (20°F) at their lowest to a mild 13°C (56°F) at their highest, with an average of 5°C (41°F). The month sees about 56 mm (2.2 in) of precipitation over approximately 7 days and high humidity levels at 88%. In contrast, June brings a much warmer climate, with minimum temperatures of 11°C (53°F) and maximums soaring up to 33°C (92°F), averaging 22°C (72°F). Precipitation slightly increases to 87 mm (3.4 in) over about 8 days, but the humidity drops to a more comfortable 69%. For more detailed weather information, you can check Groznjan weather in June.

January and July present starkly contrasting weather conditions. In January, temperatures range from a chilly minimum of -7°C (20°F) to a milder maximum of 13°C (56°F), with an average temperature of just 5°C (41°F). This month sees about 56 mm (2.2 inches) of precipitation spread over 7 days, accompanied by high humidity levels of 88%. In comparison, July boasts a significantly warmer climate, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F) and an average of 24°C (75°F). Precipitation is slightly higher at 65 mm (2.6 inches), occurring over 8 days, but the humidity drops to a more comfortable 63%. For more details, you can check Groznjan weather in July.

January and August present a stark contrast in weather conditions. In January, temperatures range from a chilly -7°C (20°F) to a mild 13°C (56°F), with an average of 5°C (41°F). Humidity levels are high at 88%, and the month sees about 56 mm (2.2 in) of precipitation over 7 days. In contrast, August offers a much warmer environment, with temperatures soaring from a minimum of 15°C (59°F) to a maximum of 34°C (94°F), averaging around 25°C (77°F). The humidity drops to a comfortable 51%, and while the total precipitation increases slightly to 70 mm (2.7 in), it is still spread out over the same number of days. For more details about the August weather, you can read Groznjan weather in August.

In January, the weather is notably colder, with temperatures ranging from a minimum of -7°C (20°F) to a milder average of 5°C (41°F), peaking at 13°C (56°F). This month experiences significant humidity at 88% and relatively low precipitation, totaling 56 mm (2.2 in) over about 7 days. In contrast, September boasts much warmer conditions, with temperatures starting at a minimum of 9°C (49°F), averaging 20°C (68°F), and reaching a maximum of 32°C (90°F). This month sees increased precipitation at 164 mm (6.4 in) spread over approximately 10 days, but with lower humidity levels at 64%. For more detailed information, you can visit the link: Groznjan weather in September.

In January, the weather is quite cold, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (56°F) and an average of 5°C (41°F). The month sees around 56 mm (2.2 in) of precipitation over 7 days, accompanied by high humidity levels of 88%. In contrast, October offers a much milder climate, with temperatures varying from a minimum of 6°C (44°F) to a maximum of 23°C (74°F) and an average of 15°C (59°F). Precipitation increases to 107 mm (4.2 in) over 10 days, but the humidity is slightly lower at 83%. For more details, you can check Groznjan weather in October.

In January, the weather is notably colder, with temperatures ranging from a frigid minimum of -7°C (20°F) to a maximum of 13°C (56°F), and an average of around 5°C (41°F). During this month, the area experiences about 56 mm (2.2 in) of precipitation over roughly 7 days, coupled with high humidity levels at 88%. In contrast, November brings milder temperatures, with a minimum of 1°C (34°F), an average of 11°C (52°F), and a maximum of 20°C (68°F). This month is also much wetter, receiving 176 mm (6.9 in) of precipitation across approximately 12 days, maintaining slightly higher humidity at 89%. For more information on the weather during this period, you can visit Groznjan weather in November.

In comparing the weather of January and December, January tends to be colder with minimum temperatures dropping to -7°C (20°F) and an average of 5°C (41°F), while December experiences slightly milder conditions with a minimum temperature of -1°C (30°F) and an average of 7°C (44°F). Furthermore, December is considerably wetter, receiving 150 mm (5.9 in) of precipitation over 12 days, compared to January's 56 mm (2.2 in) over just 7 days. Both months share a high humidity level of 88%, creating a damp atmosphere throughout the season. For more detailed insights into December's weather patterns, check Groznjan weather in December.

Compare Groznjan's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Groznjan

January in Groznjan brings a chill that starkly contrasts with the warmer months, as temperatures dip significantly, creating a wintry ambiance. With an average temperature hovering around 5°C (41°F), the landscape is often transformed by frosty mornings and cool afternoons. Unlike the balmy summer days, January experiences an increase in humidity, reaching about 88%, which, coupled with the 56 mm of precipitation over seven days, adds a dampness to the air. This moody winter weather not only invites cozy indoor activities but also offers a unique allure to the charming streets of Groznjan. For a deeper dive into the year-round weather patterns, check out Groznjan Climate.