December Weather in Osijek, Croatia

Last updated: March 17, 2025

December in Osijek, Croatia is characterized by a chilly climate, where temperatures fluctuate from a minimum of -10°C (15°F) to a maximum of 18°C (64°F), with an average of 4°C (39°F). This month sees 63 mm (2.5 in) of precipitation over approximately 11 days, contributing to a rather humid environment with levels reaching 89%. While the cold can be brisk, December in Osijek offers a unique charm, inviting visitors to experience its winter beauty amidst the twinkling lights and seasonal festivities.

December Temperature in Osijek

As December settles in Osijek, Croatia, the city's temperatures begin to dip, creating a chill in the air that signals the arrival of winter. With minimum temperatures around -10°C (15°F), the month starts off quite cold, yet the average temperature hovers at a refreshing 4°C (39°F), signaling the onset of seasonal transitions. Daytime highs can reach up to 18°C (64°F), offering occasional warmth amidst the crisp days. Compared to the preceding months, December marks a notable decline in warmth, especially following milder November, which had peaks of 23°C (74°F). As the year draws to a close, Osijek invites residents and visitors alike to embrace its winter charm, where the blend of cool temperatures and vibrant festive activities fosters a unique and cozy atmosphere.

December Weather in Osijek: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Osijek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec344045546372747565554739
Data source: Temperature data for Osijek generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Osijek

In Osijek, Croatia, December marks a transition into the winter months, bringing an average precipitation of 63 mm (2.5 in), which is notable for its gradual increase from the preceding months. With 11 days of precipitation, December experiences more rainy days than most previous months, indicating a shift towards wetter weather as the year closes. Interestingly, this month's rainfall reflects a trend of consistent precipitation throughout the fall, peaking slightly higher than the autumn average. This uptick in December rain contributes to the overall annual totals, highlighting how winter's onset can affect the region's hydrology and climate patterns.

December Precipitation Trends in Osijek

The chart displays monthly precipitation patterns in Osijek, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec405554517766685439545063
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osijek

In Osijek, Croatia, December marks the return of high humidity, with levels reaching 89%, mirroring January’s dampness. This time of year sees a notable reawakening of moisture after the progressively lower levels experienced through late spring and summer, where humidity dipped to as low as 52% in August. As the seasons shift, humidity levels rise again in the fall, peaking sharply in October at 81% and culminating in the year’s final month. This cyclical pattern highlights the city's climate, where the winter months envelop Osijek in a persistent blanket of humidity, restoring the atmospheric richness before the drier spells that dominate the warmer months.

December Average Humidity in Osijek

This chart illustrates the average monthly humidity levels in Osijek, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%84%77%70%70%68%63%52%61%81%86%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Osijek

In December, Osijek experiences a return to a low UV Index of 2, marking a significant dip from the peaks of summer. This lower UV exposure means a more leisurely 45-minute burn time is safe for most, allowing residents and visitors to enjoy the cooler weather without the heightened risk of sun damage common in the preceding months. As the year closes, it's clear that December shares similarity with January in terms of UV levels, emphasizing a trend of reduced solar intensity during the winter months. For those keen on understanding UV patterns, December's data aligns with a broader annual cycle marked by high summer readings, evolving into the mild conditions characteristic of late autumn and early winter. Stay informed about UV levels and protect your skin by checking out Osijek UV Index.

Maximum UV Index Levels in Osijek for December

The chart shows the monthly maximum UV Index (UVI) for Osijek in December, 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: Osijek December 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.

December Sunshine in Osijek

In Osijek, Croatia, December welcomes a gentle retreat into the colder months, with an average of 197 hours of sunshine. While the days grow shorter, the twilight casts a unique charm over the city, enhancing its vibrant atmosphere. Following a peak of 428 hours in July, sunshine hours taper off as autumn sets in, yet December still offers a inviting glow compared to the grey winter skies in many other regions. This month’s sunshine, though lower than the preceding months, is a reminder of brighter days as the year draws to a close, laying the groundwork for a warm embrace of longer days when spring arrives. The transition from summer brilliance to winter's gentler light reflects a beautiful rhythm of nature, making Osijek a gentle yet invigorating winter destination.

Monthly Sunshine Duration in Osijek: December Highlighted

The December sunshine duration represents the total number of hours Osijek experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec170h226h306h338h384h404h428h396h336h285h210h197h
Data source: Osijek December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Osijek During December

As December rolls in, the likelihood of encountering sunny weather in Osijek, Croatia, dips to 30%, mirroring the trend set in November. This marks a significant decline from the brighter months of late spring and early summer, where sunny chances soar to around 63% in June. Throughout the year, Osijek experiences a fluctuating chance of sunshine, peaking in the warmer months of July and August. However, as winter approaches, the cloud cover thickens, leading to a notably less vibrant sky by December. If you're planning a visit during this month, be prepared for the possibility of overcast days, with only occasional bursts of sunshine breaking through the gloom.

Percentage of Sunny Days in December in Osijek

The chart illustrates the percentage of sunny days in Osijek throughout the year, with December 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 Osijek experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%47%49%41%46%63%56%54%54%50%30%30%
Data source: Osijek December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Osijek in December

As the winter chill settles in Osijek, December brings the shortest days of the year, with only 8 hours of daylight. This reduction continues the trend seen from the previous month, as daylight gradually diminishes from a peak of 15 hours in the summer months of June and July. The transition from the long, sunlit days of summer to the cozy, dark winter evenings highlights the shift in seasons, where each month steadily reduces daylight. After basking in 14 hours of daylight during May, residents now brace for the colder, darker days that December delivers. As we move into the new year, the promise of longer days awaits, marking the slow return of sunlight come January.

Average Daylight Hours in Osijek for December

The chart illustrates the variation in daylight duration in Osijek throughout the year, with December 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 14m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Osijek daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Osijek

As December unfolds in Osijek, Croatia, the winds pick up slightly, showcasing an average speed of 2.9 m/s (7 mph), which aligns with the brisk breezes often felt at this time of year. This marks a noticeable shift from the calmer summer months, where wind speeds hovered around 2.2 m/s (5 mph). Unlike the early winter months of November and October, which averaged between 2.5 to 2.7 m/s, December's winds add a refreshing bite to the air, indicative of the season's transition. Overall, the data illustrates a gentle increase in wind speeds towards year-end, hinting at nature's subtle preparations for the chill of winter ahead.

Average December Wind Speed in Osijek

The chart displays monthly wind speed patterns in Osijek, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.62.82.72.92.22.42.22.32.72.52.9 m/s
Data source: Osijek December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Osijek Compares to Other Months

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

In December, temperatures range from a minimum of -10°C (15°F) to a maximum of 18°C (64°F), with an average temperature of 4°C (39°F). The month experiences about 63 mm (2.5 in) of precipitation over 11 days, maintaining a humidity level of 89%. In contrast, January is generally colder, with temperatures dipping further to a minimum of -17°C (2°F) and an average of 1°C (34°F), peaking at 16°C (61°F). Precipitation decreases to 40 mm (1.6 in) spread over 8 days, while humidity remains consistent at 89%. For more detailed information, you can check Osijek weather in January.

December and February present distinct weather patterns, although both months experience cold temperatures. In December, average temperatures range from a minimum of -10°C (15°F) to a maximum of 18°C (64°F), with an average of 4°C (39°F). The month also sees considerable precipitation of 63 mm (2.5 in) spread over 11 days and a higher humidity level of 89%. On the other hand, February features slightly milder conditions with temperatures ranging from -12°C (10°F) to a maximum of 20°C (69°F), resulting in an average of 5°C (40°F). Additionally, February has less precipitation at 55 mm (2.2 in) over 9 days and lower humidity at 84%. For more details, you can visit Osijek weather in February.

Comparing the weather in December and March reveals notable differences. In December, temperatures range from a chilly -10°C (15°F) at night to a mild 18°C (64°F) during the day, with an average of 4°C (39°F). The month sees about 63 mm (2.5 in) of precipitation over 11 days, coupled with high humidity at 89%. In contrast, March experiences a broader temperature range, with minimums dropping to -18°C (0°F) and maximums rising to a warm 25°C (77°F), averaging at 7°C (45°F). Precipitation decreases slightly to 54 mm (2.1 in) over 10 days, and humidity is lower at 77%. For more details on Osijek weather in March, check out this link: Osijek weather in March.

December and April present contrasting weather conditions. In December, temperatures can drop as low as -10°C (15°F), with an average of 4°C (39°F) and maximums reaching 18°C (64°F). This month also sees higher humidity at 89% and experiences about 63 mm (2.5 in) of precipitation over approximately 11 days. In stark contrast, April brings milder weather with minimum temperatures of -3°C (27°F), an average of 12°C (55°F), and maximums soaring up to 31°C (88°F). Precipitation decreases to 51 mm (2.0 in) over 9 days, accompanied by a more comfortable humidity level of 70%. For more details, you can check Osijek weather in April.

December weather is characterized by much colder temperatures, with lows reaching as low as -10°C (15°F) and an average of just 4°C (39°F). In contrast, May brings a significant warm-up, with temperatures ranging from a minimum of 3°C (38°F) to a pleasant maximum of 32°C (89°F) and an average of 17°C (63°F). While December experiences high humidity levels at 89%, May's humidity is comparatively lower at 70%. Additionally, both months receive a similar amount of precipitation, with December seeing 63 mm (2.5 in) over 11 days, while May records a bit more at 77 mm (3.0 in) over 12 days. For more details about May weather, you can check out Osijek weather in May.

December and June present strikingly different weather patterns. In December, temperatures can drop as low as -10°C (15°F) and average around 4°C (39°F), with a maximum of 18°C (64°F). The month experiences considerable humidity at 89% and receives about 63 mm (2.5 in) of precipitation over 11 days. In contrast, June offers a much warmer climate, with minimum temperatures around 7°C (46°F) and averaging 22°C (72°F), peaking at a sweltering 38°C (102°F). Although June has slightly more precipitation at 66 mm (2.6 in) over 10 days, it boasts a significantly lower humidity level of 68%. For more details on the weather during June, you can check Osijek weather in June.

In December, the weather in Osijek is characterized by significantly colder temperatures, with a minimum of -10°C (15°F) and an average of 4°C (39°F), reaching a maximum of 18°C (64°F). The humidity is notably high at 89%, contributing to a chilly atmosphere, alongside 63 mm (2.5 in) of precipitation over 11 days. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 11°C (52°F) to an average of 24°C (75°F), peaking at 38°C (101°F). The humidity in July drops to 63%, and precipitation slightly increases to 68 mm (2.7 in) over just 8 days. For further details, you can check Osijek weather in July.

December and August present stark contrasts in weather. In December, temperatures can dip as low as -10°C (15°F), with an average of around 4°C (39°F) and a maximum of only 18°C (64°F). The month is characterized by higher humidity at 89% and experiences about 63 mm (2.5 inches) of precipitation over 11 days. In comparison, August boasts a significantly warmer climate, with minimum temperatures of 10°C (51°F) and average highs reaching 24°C (75°F), peaking at 38°C (101°F). This summer month is drier, with only 54 mm (2.1 inches) of precipitation over just 7 days and a lower humidity level of 52%. For more detailed insights into August weather, visit Osijek weather in August.

December and September present contrasting weather conditions. In December, temperatures range from a chilly -10°C (15°F) at night to a mild 18°C (64°F) during the day, averaging around 4°C (39°F), while September offers much warmer temperatures, with nighttime lows of 4°C (39°F) and daytime highs reaching up to 34°C (93°F), averaging 18°C (65°F). December also sees more precipitation—63 mm (2.5 in) over 11 days—compared to September, which experiences 39 mm (1.5 in) over just 6 days. Humidity levels are also higher in December at 89%, contrasting with the more comfortable 61% humidity in September. For more detailed information, you can check Osijek weather in September.

December's weather presents a stark contrast to October, with significantly lower temperatures and higher humidity. While October boasts a milder average temperature of 13°C (56°F), with highs reaching up to 30°C (86°F), December's average drops to a chilly 4°C (39°F), with maximum temperatures only hitting 18°C (64°F). Additionally, December experiences more precipitation, averaging 63 mm (2.5 in) over 11 days, compared to October's 54 mm (2.1 in) over 8 days. The humidity also increases in December, reaching 89%, compared to 81% in October. For a closer look at October's weather specifics, visit Osijek weather in October.

December weather in Osijek is notably colder than in November, with average temperatures ranging from a minimum of -10°C (15°F) to a maximum of 18°C (64°F), compared to November's milder range of -4°C (25°F) to 23°C (74°F). Additionally, December experiences more precipitation, with 63 mm (2.5 in) over 11 days, while November sees 50 mm (2.0 in) over just 9 days. Humidity also rises slightly in December to 89%, compared to 86% in November. For a deeper look at the month of November specifically, check out Osijek weather in November.

Compare Osijek's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Osijek

As December arrives in Osijek, the city transforms into a winter wonderland, contrasting sharply with the milder months preceding it. Temperatures dip, showcasing an intriguing range from chilly lows to occasionally mild highs, while the average remains on the cooler side, significantly marking the onset of winter. Precipitation becomes more frequent, with about a third of the month experiencing rain or snow, and the humidity levels rise to a notable 89%, creating a crisp yet damp atmosphere. This blend of weather conditions sets December apart, inviting residents and visitors alike to embrace the season's charm. To explore more about the distinctive weather throughout the year, visit Osijek Climate.