December Weather in Trebinje, Bosnia and Herzegovina

Last updated: August 21, 2025

In December, Trebinje, Bosnia and Herzegovina, experiences a notable shift in weather, characterized by average temperatures around 7°C (45°F), with maximums reaching up to 16°C (60°F) and dropping as low as -1°C (31°F). This month is marked by an increased precipitation total of 259 mm (10.2 in) spread across approximately 15 days, leading to a humidity level of 86% that envelops the region in a damp chill. Visitors can expect a landscape transformed by winter's touch, providing a unique blend of crisp air and stunning scenery as the year draws to a close.

December Temperature in Trebinje

As December settles in Trebinje, Bosnia and Herzegovina, temperatures begin to reflect the winter chill, with minimums hovering around -1°C (31°F). The average temperature rests at a crisp 7°C (45°F), providing a stark contrast to the preceding months. Maximum temperatures reach a mild 16°C (60°F), offering some respite from the cold. This shift marks a gradual decline from the autumn's warmer climate, with December showcasing a clear trend towards winter, as the region embraces a more frigid atmosphere. Amidst the chill, Trebinje's charm remains vibrant, inviting visitors to explore its scenic beauty wrapped in a serene, wintry embrace.

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

The chart illustrates December temperature patterns in Trebinje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trebinje, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec404547536169737567595245
Data source: Temperature data for Trebinje 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.

December Precipitation in Trebinje

December in Trebinje, Bosnia and Herzegovina, sees a significant spike in precipitation, accumulating 259 mm (10.2 in) over 15 days, marking one of the wettest months of the year. This trend follows a notably high November, which recorded 290 mm, indicating a prolonged period of rainfall as the region transitions into winter. The increase in precipitation days during December suggests a shift towards more frequent, though possibly lighter, rain compared to the heavier downpours experienced in the preceding month. As winter sets in, the landscape transforms under the weight of these seasonal rains, nurturing the rich biodiversity of the area while signaling the end of a dynamic year of weather fluctuations.

December Precipitation Trends in Trebinje

The chart displays monthly precipitation patterns in Trebinje, 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. In Trebinje, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12417316012211758384197141291259
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Trebinje

In December, Trebinje experiences a notable increase in humidity, with levels reaching 86%. Following the drier summer months of July and August, where humidity dipped to a comfortable 59% and 53% respectively, the trend shifts back to higher moisture levels as the year draws to a close. This uptick reflects the transition into winter, mirroring the humidity patterns observed in the previous months of October and November, which saw readings of 78% and 85%. This seasonal rhythm underscores Trebinje’s climate, where humidity gradually escalates towards the end of the year, creating a damp, cool atmosphere that heralds the winter chill.

December Average Humidity in Trebinje

This chart illustrates the average monthly humidity levels in Trebinje, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Trebinje is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%79%75%74%66%59%53%65%78%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Trebinje

As December sets in Trebinje, Bosnia and Herzegovina, the UV Index drops to a low level of 2, resulting in a burn time of 45 minutes. This marks a significant decrease compared to the peak summer months, where the UV Index soared to 10, indicating very high exposure levels that required caution and protective measures. The trend highlights a natural ebb and flow of UV radiation throughout the year—starting from a moderate index in early winter, peaking during the summer, and then tapering off again as the days grow shorter. For those looking to enjoy the outdoors in December, the risk remains minimal, allowing for longer, carefree sun exposure. To explore more about UV levels throughout the year, check out the detailed insights at Trebinje UV Index.

Maximum UV Index Levels in Trebinje for December

The chart shows the monthly maximum UV Index (UVI) for Trebinje 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. In December, the maximum UV index in Trebinje typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097632
Data source: Trebinje 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 Trebinje

As the year winds down, December in Trebinje, Bosnia and Herzegovina, offers a cozy yet sunlit atmosphere with approximately 216 hours of sunshine. Although this figure reflects a decline from the summer peak of 433 hours in July, it still stands as a cheerful break in the winter months. The sunshine gradually diminishes from the vibrant 398 hours in May through fall, but December's gentle sunlight invites locals and visitors alike to embrace the crisp air and scenic views. This trend of decreasing daylight hours not only highlights Trebinje's enchanting seasonal transitions but also sets the stage for the warmth and promise of a new year ahead.

Monthly Sunshine Duration in Trebinje: December Highlighted

The December sunshine duration represents the total number of hours Trebinje 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h240h318h351h398h416h433h404h344h312h233h216h
Data source: Trebinje December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trebinje During December

In Trebinje, Bosnia and Herzegovina, the likelihood of sunny weather in December stands at 41%, marking a slight dip from the preceding months. While this chance is notably better than November's mere 27%, it trails behind the sunnier months of June through August, which boast probabilities soaring above 70%. This pattern suggests that as the year progresses from summer to winter, sunshine becomes less frequent, but December still holds the promise of clear skies, paving the way for festive cheer amid the crisp winter air.

Percentage of Sunny Days in December in Trebinje

The chart illustrates the percentage of sunny days in Trebinje 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 Trebinje experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%52%55%45%53%70%75%76%57%55%27%41%
Data source: Trebinje December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trebinje in December

In Trebinje, Bosnia and Herzegovina, the daylight hours exhibit a fascinating seasonal rhythm. December, like its winter counterpart January, offers just 9 hours of daylight, creating a stark contrast to the vibrancy of summer months when the sun graces the sky for up to 15 hours in June. As the year progresses from the longer days of May and June to the shorter winters, one can appreciate the gradual shift in daylight. This trend highlights a beautiful cycle, as daylight stretches to its peak in late spring and early summer before retreating back to the tranquil, cozy ambiance of winter. Embracing these changes fosters an appreciation for the unique beauty each season brings in Trebinje.

Average Daylight Hours in Trebinje for December

The chart illustrates the variation in daylight duration in Trebinje throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 55m13h 50m12h 26m11h9h 44m9h 4m
Data source: Trebinje daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Trebinje

As December descends upon Trebinje, the winds begin to pick up, with an average speed of 3.7 m/s (8 mph)—the strongest gusts seen since early in the year. This slight uptick compared to previous months signals a transition into the winter season, where the chill in the air is accompanied by a refreshing breeze. Notably, December's winds stand out against the calm summer months, where speeds dropped to a gentle 2.4 m/s (5 mph) in July and June. As the year winds down, Trebinje's December breeze invigorates the atmosphere, reminding residents and visitors alike that the dynamic weather of this charming Bosnian city is ever-evolving.

Average December Wind Speed in Trebinje

The chart displays monthly wind speed patterns in Trebinje, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.33.13.12.42.42.52.22.93.33.7 m/s
Data source: Trebinje December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Trebinje Compares to Other Months

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

In December, temperatures in Trebinje typically range from a minimum of -1°C (31°F) to a maximum of 16°C (60°F), with an average of 7°C (45°F). The month is characterized by significant precipitation, totaling 259 mm (10.2 in) over approximately 15 days, coupled with high humidity levels around 86%. In contrast, January experiences colder conditions, with minimum temperatures dropping to -12°C (10°F), while the average temperature is slightly lower at 5°C (40°F) and a maximum of 15°C (59°F). Precipitation in January decreases to 124 mm (4.9 in) over about 11 days, and humidity remains high at 88%. For more details, see Trebinje weather in January.

December and February present distinct yet somewhat similar weather patterns. In December, temperatures range from a minimum of -1°C (31°F) to a maximum of 16°C (60°F), with an average of 7°C (45°F). The month is characterized by a higher precipitation level of 259 mm (10.2 in) over 15 days, combined with a humidity of 86%, making it feel quite damp. In contrast, February sees slightly cooler minimum temperatures dropping to -5°C (23°F) but a higher maximum of 18°C (65°F) and the same average of 7°C (45°F). Precipitation decreases to 173 mm (6.8 in), spread over 11 days, and humidity also slightly lowers to 82%. This transition from December to February highlights a shift to drier conditions while maintaining a relatively stable average temperature. For more details, check out Trebinje weather in February.

In December, Trebinje experiences a milder winter with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (60°F). The month sees significant precipitation, totaling 259 mm (10.2 in) over 15 days, and humidity levels are relatively high at 86%. In contrast, March marks the transition into spring, with temperatures dipping slightly lower at a minimum of -6°C (22°F) but rising to an average of 20°C (68°F) during the day. Precipitation is less frequent, totaling 160 mm (6.3 in) over 11 days, and humidity decreases to 79%. For a detailed overview of the March weather in Trebinje, you can visit Trebinje weather in March.

When comparing the weather in December and April, it's clear that April experiences milder temperatures and significantly less precipitation. December has an average temperature of 7°C (45°F), with a maximum of 16°C (60°F), while April's average rises to 12°C (53°F), peaking at 24°C (76°F). Additionally, December sees heavier rainfall, with a total of 259 mm (10.2 in) over approximately 15 days, compared to April's 121 mm (4.8 in) over just 11 days. Humidity levels also drop from 86% in December to 75% in April, contributing to more comfortable conditions as spring approaches. For more detailed insights, check out Trebinje weather in April.

December and May present markedly different weather experiences. In December, temperatures can dip as low as -1°C (31°F) and typically hover around an average of 7°C (45°F), peaking at 16°C (60°F). This month is characterized by frequent precipitation, totaling 259 mm (10.2 in) over 15 days, and high humidity levels at 86%. In contrast, May offers a more temperate climate, with minimum temperatures around 5°C (42°F) and an average of 16°C (61°F), reaching up to 26°C (80°F). Precipitation drops to 117 mm (4.6 in) over 14 days, accompanied by lower humidity at 74%. Overall, May tends to be much milder and drier, making it a more pleasant time for outdoor activities. For more detailed information, you can visit Trebinje weather in May.

When comparing the weather in December and June, significant differences emerge. December experiences cooler temperatures, with lows dipping to -1°C (31°F) and average highs reaching only 16°C (60°F). This month also sees hefty precipitation averaging 259 mm (10.2 in) over 15 days, contributing to a high humidity level of 86%. In stark contrast, June brings warmth, with temperatures ranging from a minimum of 10°C (50°F) to a pleasant average of 20°C (69°F) and peaks of up to 32°C (89°F). Rainfall is considerably lower in June, averaging 58 mm (2.3 in) over just 9 days, and the humidity decreases to a more comfortable 66%. For those interested in the specifics of June weather in this region, you can find more details here: Trebinje weather in June.

December and July present a stark contrast in weather conditions. In December, temperatures typically range from a chilly minimum of -1°C (31°F) to a mild maximum of 16°C (60°F), with an average of 7°C (45°F). This month is also quite wet, receiving 259 mm (10.2 in) of precipitation over 15 days, accompanied by high humidity levels of 86%. In contrast, July boasts much warmer temperatures, with a minimum of 14°C (57°F) and a pleasant average of 23°C (74°F), peaking at a maximum of 33°C (91°F). The summer month sees significantly less rainfall, with only 38 mm (1.5 in) across just 4 days, and humidity drops to 59%. For more detailed information, you can check Trebinje weather in July.

In December, the weather is quite cold, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (60°F), averaging around 7°C (45°F). The month also sees a significant amount of rainfall, with 259 mm (10.2 in) of precipitation over 15 days and humidity levels soaring to 86%. In stark contrast, August offers a warm and temperate climate, featuring temperatures that range from a comfortable minimum of 15°C (59°F) to a maximum of 33°C (92°F), averaging 24°C (75°F). This month experiences much less precipitation, totaling only 41 mm (1.6 in) over 6 days, and the humidity is significantly lower at 53%. For more detailed information, you can visit Trebinje weather in August.

In December, the weather is notably colder, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (60°F), averaging around 7°C (45°F). This month also experiences significant precipitation, totaling 259 mm (10.2 in) over approximately 15 days, combined with a high humidity level of 86%. In contrast, September offers a much milder climate, with temperatures between 8°C (47°F) and 29°C (84°F), averaging 19°C (67°F). Rainfall in September is considerably lower at 97 mm (3.8 in) across 8 days, accompanied by a more comfortable humidity level of 65%. For more details on the weather specifics, check Trebinje weather in September.

When comparing the weather in December to that of October, notable differences emerge. December experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 7°C (45°F), while October is milder, with minimum temperatures around 5°C (42°F) and an average of 15°C (59°F). Precipitation levels also increase significantly in December, totaling 259 mm (10.2 in) over 15 days, compared to October’s 141 mm (5.5 in) over just 9 days. Additionally, December is characterized by higher humidity at 86%, compared to October's 78%. For more details on October's climate, you can explore Trebinje weather in October.

In December, the weather tends to be cooler compared to November, with average temperatures dropping from 11°C (53°F) in November to 7°C (45°F) in December. The minimum temperature in December reaches as low as -1°C (31°F), while November's minimum stays slightly warmer at 1°C (34°F). Both months experience considerable precipitation, but December slightly reduces in rainfall amount, receiving 259 mm (10.2 in) over 15 days compared to November's 290 mm (11.4 in) over 12 days. Humidity remains relatively high in both months, with December at 86% and November at 85%. For more detailed insights on November's weather, you can check Trebinje weather in November.

Compare Trebinje's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Trebinje

As December settles over Trebinje, the weather transforms significantly from the milder autumn months. With temperatures dipping into the chilly range, the contrast between day and night becomes more pronounced, ushering in an average temperature that hovers around 7°C (45°F). The increased humidity at 86% and the rise in precipitation, totaling 259 mm over about 15 days, makes for a wet and brisk atmosphere. Such conditions shift the landscape, preparing it for a picturesque winter scene. If you're curious about how these conditions play into the broader climate patterns, check out the details at Trebinje Climate.