December Weather in Jajce, Bosnia and Herzegovina

Last updated: August 21, 2025

In December, Jajce, Bosnia and Herzegovina experiences a captivating winter ambiance, characterized by a maximum temperature of 13°C (56°F) and an average chill of 2°C (35°F). A stark contrast emerges with nighttime lows plunging to a brisk -14°C (7°F), painting the landscape in chilly hues. The month sees a notable 141 mm (5.6 in) of precipitation over 16 days, contributing to a damp atmosphere with a humidity level soaring to 88%. Visitors can expect a blend of frosty mornings and mild afternoons, perfect for embracing the serene beauty of this historic town.

December Temperature in Jajce

In December, Jajce, Bosnia and Herzegovina, embraces the full chill of winter, with temperatures averaging around 2°C (35°F). The month begins with a minimum temperature of -14°C (7°F), nudging towards an occasional high of 13°C (56°F). This trend marks a notable decline from the milder autumn months, as the region transitions from brisk November winds to the colder grasp of winter. Overall, December encapsulates a period of cooling, laying the groundwork for January's frigid embrace, and inviting both residents and visitors to revel in the seasonal charm and the stunning winter landscape.

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

The chart illustrates December temperature patterns in Jajce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jajce, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303640485563666859504435
Data source: Temperature data for Jajce 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 Jajce

As December rolls into Jajce, Bosnia and Herzegovina, the precipitation reaches its peak with 141 mm (5.6 in) of rainfall, marking it as the wettest month of the year. This surge in precipitation is accompanied by 16 rainy days, the highest number recorded, which contributes to the lush, vibrant landscapes characteristic of winter in this region. Notably, the month sees a dramatic increase from November's 93 mm (3.7 in), underlining a clear trend of escalating rainfall as the year comes to a close. This end-of-year deluge contrasts sharply with the drier summer months, where average rainfall dips to 67 mm (2.6 in) in August. The consistent rhythm of rainfall not only enriches the earth but also sets the stage for a picturesque winter, embodying the rich climatic diversity that Jajce experiences throughout the year.

December Precipitation Trends in Jajce

The chart displays monthly precipitation patterns in Jajce, 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 Jajce, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec75878794127959667518893142
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jajce

In December, Jajce experiences a humidity level of 88%, marking a slight increase from the preceding month. As the year draws to a close, the humidity remains high, reminiscent of the winter months, where moisture tend to linger in the colder air. This trend contrasts sharply with the summer months, where humidity levels dip to a comfortable 51% in August. Following this low, there’s a noticeable rise in humidity from autumn, peaking again in the winter. December's high humidity, just shy of January’s 89%, reflects the region's characteristic dampness, creating a cozy yet chilly atmosphere as the landscape embraces the festive season.

December Average Humidity in Jajce

This chart illustrates the average monthly humidity levels in Jajce, 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 Jajce is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jajce

In December, Jajce experiences a UV Index of 2, categorizing it as low and indicating a burn time of approximately 45 minutes. This marks a gentle decrease from the higher indices observed in the summer months, where values reached up to 10. As we transition from the high UV days of May through August, the autumn months also reflect a steady decline, with the index tapering off to a comfortable level by late fall. December's mild UV exposure provides a reprieve for those looking to enjoy outdoor activities without the intense sun, making it an ideal time for leisurely winter strolls. For more information on UV levels throughout the year, check out the comprehensive data at Jajce UV Index.

Maximum UV Index Levels in Jajce for December

The chart shows the monthly maximum UV Index (UVI) for Jajce 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 Jajce typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Jajce 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 Jajce

Nestled in the heart of Bosnia and Herzegovina, Jajce experiences a delightful ebb and flow of sunshine throughout the year. While December boasts a modest 187 hours of sunshine, it is a noticeable dip from the sun-drenched peak of July with its impressive 423 hours. The trend clearly illustrates that as the year progresses from winter's chill to summer's warmth, daylight hours increase significantly, culminating in the lush 366 hours of sunshine in May. This rhythm of light reveals the enchanting cycle of nature, where the short, crisp days of winter gradually yield to the vibrant brightness of summer, drawing both locals and travelers alike to revel in the scenic beauty of this historic town.

Monthly Sunshine Duration in Jajce: December Highlighted

The December sunshine duration represents the total number of hours Jajce 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h219h292h331h366h386h423h381h329h277h199h187h
Data source: Jajce December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jajce During December

In Jajce, Bosnia and Herzegovina, December greets winter with a relatively low 20% chance of sunny weather. This marks a shift from the more favorable percentages seen in the warmer months, where June and August enjoy peaks of 59%. As the year winds down, the sun's presence diminishes compared to the spring and early autumn, with November already dipping to 23%. With December's cool temperatures and shorter days, residents and visitors alike may need to embrace the cozy ambiance, as longer stretches of cloudy skies become the norm. Despite this, the hint of sunshine can still brighten up the winter days, reminding us of the sun's eventual return in spring.

Percentage of Sunny Days in December in Jajce

The chart illustrates the percentage of sunny days in Jajce 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 Jajce experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%41%43%38%40%59%53%59%53%43%23%20%
Data source: Jajce December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jajce in December

As the year winds down, December in Jajce, Bosnia and Herzegovina, offers the least amount of daylight, with only 8 hours of sunshine. This reflects a consistent decline in daylight hours since the peak of 15 hours experienced in both June and July. The transition through the months reveals a gentle ebb and flow, with daylight gradually decreasing from 14 hours in May down to the winter solstice in December. Following the warmth of summer, the days shorten more dramatically, providing a stark contrast to the vibrancy of the previous seasons. With the retreat of daylight, December invites a peaceful stillness as the landscape embraces the quiet beauty of winter nights.

Average Daylight Hours in Jajce for December

The chart illustrates the variation in daylight duration in Jajce throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 27m11h 56m13h 28m14h 47m15h 27m15h 6m13h 56m12h 28m10h 56m9h 35m8h 53m
Data source: Jajce daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jajce

As December unfolds in Jajce, Bosnia and Herzegovina, the winds often pick up in intensity, averaging 2.4 m/s (5 mph)—a notable rise from the stiller summer months. This slight increase from November's 2.0 m/s (5 mph) signals the transition towards winter, where the crisp air invigorates the landscape and enhances the beauty of this historic town. Compared to the preceding summer, where wind speeds hovered around 1.7 to 1.8 m/s (4 mph), December’s breezes carry a refreshing chill, reminding locals and visitors alike of the seasonal shift. This pattern reflects a broader trend, with winter months generally showcasing higher wind speeds, creating a dynamic backdrop for the picturesque snowy scenes that Jajce is renowned for during this time of year.

Average December Wind Speed in Jajce

The chart displays monthly wind speed patterns in Jajce, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.62.42.12.61.71.81.81.71.92.02.4 m/s
Data source: Jajce December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jajce Compares to Other Months

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

In comparing the weather of December and January, January tends to be notably colder, with minimum temperatures plummeting to -29°C (-20°F) compared to December's chilling low of -14°C (7°F). The average temperature in January hovers around -1°C (30°F), slightly below December's average of 2°C (35°F). Additionally, while December experiences a significant amount of precipitation at 141 mm (5.6 in) over 16 days, January sees a reduction in rainfall to 75 mm (2.9 in) across 11 days. Humidity levels remain relatively high, with January at 89% and December at 88%, maintaining that characteristic winter moisture. For more detailed insights into January weather in Jajce, you can visit Jajce weather in January.

December experiences a slightly warmer average temperature of 2°C (35°F), with maximums reaching up to 13°C (56°F). It is characterized by higher precipitation, totaling 141 mm (5.6 in) over 16 days, and a humidity level of 88%. In contrast, February's weather is a bit chillier, with a minimum temperature of -15°C (5°F) and maximums climbing up to 20°C (68°F). February also sees reduced precipitation of 87 mm (3.4 in) spread over 11 days, along with slightly lower humidity at 83%. For more details, check out the temperature trends in Jajce weather in February.

December and March showcase distinct weather patterns, reflecting the transition from winter to early spring. In December, temperatures range from a chilly -14°C (7°F) at night to a mild 13°C (56°F) during the day, with an average of 2°C (35°F). This month experiences higher precipitation levels at 141 mm (5.6 in) over 16 days, contributing to a damp atmosphere with 88% humidity. In contrast, March brings slightly warmer weather, with temperatures dropping to a minimum of -20°C (-4°F) but peaking at a comfortable 20°C (69°F) and averaging 4°C (40°F). Precipitation decreases to 87 mm (3.4 in) over 13 days, and the humidity lowers to 75%. For more details, you can check out Jajce weather in March.

December and April present contrasting weather patterns, with December characterized by colder temperatures and higher humidity. In December, the average temperature hovers around 2°C (35°F), with nighttime lows dipping to -14°C (7°F). The month experiences substantial precipitation, totaling 141 mm (5.6 in) over approximately 16 days, contributing to a rather humid environment at 88% humidity. In contrast, April brings a significant shift, with average temperatures rising to 9°C (48°F) and daytime highs reaching up to 25°C (77°F). This month sees a decrease in precipitation to 94 mm (3.7 in) over about 12 days, accompanied by a lower humidity level of 72%. For more specific details about weather conditions in April, you can visit Jajce weather in April.

December and May exhibit stark contrasts in weather conditions. In December, temperatures can drop as low as -14°C (7°F) with an average of 2°C (35°F) and a maximum of 13°C (56°F). The month is characterized by high humidity at 88% and significant precipitation, averaging 141 mm over 16 days. In contrast, May sees a milder climate with temperatures ranging from a minimum of -3°C (26°F) to an average of 13°C (55°F), peaking at 27°C (81°F). Precipitation is slightly lower at 127 mm, spread over 17 days, and humidity decreases to 70%. For more specific details about the weather in May, you can visit Jajce weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures range from a chilly -14°C (7°F) to a mild 13°C (56°F), with an average of just 2°C (35°F). This month is characterized by higher precipitation, accumulating 141 mm (5.6 in) over 16 days, along with a notably high humidity level of 88%. In contrast, June warms up significantly, with temperatures varying from a low of 5°C (42°F) to a hot 33°C (92°F), averaging around 17°C (63°F). Precipitation is lower in June at 95 mm (3.7 in) over 13 days, and humidity drops to a more comfortable 69%. For more details on weather in June, you can check Jajce weather in June.

December and July present striking contrasts in weather patterns. In December, temperatures can plummet to a chilly minimum of -14°C (7°F), with an average around 2°C (35°F), while the maximum rarely exceeds 13°C (56°F). The month is quite humid, with a relative humidity of 88%, and experiences significant precipitation over 16 days, totaling 141 mm (5.6 in). In sharp contrast, July is characterized by much warmer temperatures, with a minimum of 7°C (45°F) and an average of 19°C (66°F), reaching highs of 34°C (94°F). This summer month sees less precipitation, accumulating 96 mm (3.8 in) over 12 days, and a notable drop in humidity to 64%. For further details, you can check out Jajce weather in July.

December and August present contrasting weather patterns. In December, temperatures can plunge to a minimum of -14°C (7°F), with an average of 2°C (35°F) and a maximum of 13°C (56°F). This month experiences significant precipitation, totaling 141 mm (5.6 in) over 16 days, accompanied by high humidity at 88%. In stark contrast, August offers much warmer conditions, with temperatures ranging from a minimum of 5°C (41°F) to a sweltering maximum of 36°C (96°F) and an average temperature of 20°C (68°F). Precipitation is much lower in August, at 67 mm (2.6 in) over 10 days, coupled with a much drier humidity level of 51%. For more details on August weather, you can visit Jajce weather in August.

December and September showcase stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -14°C (7°F), with an average of 2°C (35°F) and a maximum of 13°C (56°F). This winter month also experiences considerable precipitation, with 141 mm (5.6 in) spread over 16 days and high humidity at 88%. In contrast, September enjoys much milder weather, featuring a minimum of -1°C (31°F) and an average of 15°C (59°F) that peaks at 29°C (85°F). Precipitation is significantly lower at 51 mm (2.0 in) and occurs over 9 days, alongside a more comfortable humidity level of 62%. For more detailed information, check out Jajce weather in September.

When comparing the weather in December to that of October, it's clear that December is significantly colder, with temperatures ranging from a minimum of -14°C (7°F) to a maximum of 13°C (56°F), whereas October enjoys milder conditions with a minimum of -2°C (29°F) and a peak of 25°C (78°F). Additionally, December experiences more precipitation, totaling 141 mm (5.6 in) over 16 days, compared to October's 88 mm (3.5 in) over just 8 days. The humidity in December is also higher at 88%, compared to October's 81%, contributing to a stark contrast in overall comfort levels. For a more detailed look at October's climate, you can check out this link: Jajce weather in October.

In comparing the weather of December and November, December experiences a slightly colder climate with average temperatures ranging from a minimum of -14°C (7°F) to a maximum of 13°C (56°F), while November's temperatures are milder, with minimums of -13°C (10°F) and maximums reaching up to 20°C (69°F). Additionally, December sees a significant increase in precipitation, totaling 141 mm (5.6 in) over 16 days, compared to November's 93 mm (3.7 in) over just 11 days. Both months have high humidity levels, but December maintains a marginally higher humidity at 88%, versus November’s 87%. For more detailed information, check out Jajce weather in November.

Compare Jajce's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jajce

As December sets in, Jajce transforms into a winter wonderland, marked by chilly temperatures and a noticeable uptick in precipitation. Unlike the milder months preceding it, this time of year sees an average temperature that dips significantly, accompanied by a higher humidity level that can make the cold feel even more intense. With nearly half the month experiencing rainfall or snow, December offers a stark contrast to the drier, warmer months, inviting visitors to embrace the unique charm of winter in this beautiful town. For a deeper dive into the weather patterns throughout the year, explore Jajce Climate.