Last updated: August 27, 2025
December in Celje, Slovenia offers a captivating blend of crisp winter air and festive charm. With maximum temperatures reaching 15°C (60°F) and a brisk average of 2°C (35°F), residents and visitors alike can expect a frosty atmosphere, dipping to a chilly minimum of -15°C (5°F). The month is marked by 86 mm (3.4 in) of precipitation spread over 9 days, contributing to a distinctly humid environment at 89%. This combination of cold temperatures and frequent moisture paints a picturesque winter landscape, ideal for those looking to embrace the beauty of the season in this enchanting Slovenian locale.
In December, Celje, Slovenia, experiences a distinctive winter chill, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 15°C (60°F). The average temperature hovers around 2°C (35°F), setting a cozy yet brisk atmosphere as the year draws to a close. This month marks a subtle transition from the relatively mild late autumn months, where November's average was 6°C (43°F), to the deeper cold of January, which plunges to an average of 0°C (33°F). As the landscape transforms into a winter wonderland, the decrease in temperatures serves as a stark reminder of the approaching winter, inviting visitors to embrace the festive season with warm clothing and cheerful spirits.
December in Celje, Slovenia, welcomes winter with a noteworthy precipitation total of 86 mm (3.4 in), falling across 9 days. This amount is indicative of the season's steady moisture, aligning with the pattern established in autumn, where November saw 98 mm over 11 days. As temperatures drop, December's precipitation is essential for the region, contributing to the snowpack that supports agriculture and local ecosystems into the colder months. Compared to the higher precipitation levels in May, which reached a peak of 142 mm, December's totals reflect the transitional phase of weather as Celje shifts from autumn's abundant rainfall to the chillier, more stable patterns of winter. Overall, December's precipitation serves as a reminder of the cyclical nature of Celje's climate, maintaining the balance needed for both natural and human activities.
In December, Celje, Slovenia experiences a humidity level of 89%, closely mirroring the preceding month. This significant moisture level is a continuation of a trend observed throughout the colder months, where humidity starts high in winter and subtly fluctuates. From the lofty 90% in January, winter's grip gives way to slightly lower figures as spring approaches, reaching a low of 71% by May. However, December is notably marked by a return to dampness, reflecting the transition toward the chill of mid-winter. As autumn bids farewell and winter settles in, Celje's humidity remains a defining characteristic of its atmospheric conditions, shaping the city's unique seasonal charm.
In Celje, Slovenia, the UV Index shows a clear seasonal trend, peaking during the summer months. From January to February, UV levels remain low to moderate, with burn times extending up to 45 minutes. As spring progresses, March experiences a notable rise to a UV Index of 5, followed by even higher exposure in April with a significant 6. The summer months of May through August are particularly intense, featuring UV Index ratings of 8 and 9, which drastically reduce safe sun exposure to just 15 minutes. As autumn sets in, UV levels gradually decline, stabilizing at 4 in October and falling back to 3 in November. December mirrors January's conditions with a low UV Index of 2, allowing for a safe burn time of 45 minutes. This fluctuation underscores the importance of sun protection, particularly during those peak summer months. For more detailed information, check out the Celje UV Index.
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In the charming city of Celje, Slovenia, December experiences a gentle embrace of sunlight, averaging 201 hours of sunshine—an inviting prelude to the year ahead. As the final month of the year rolls in, daylight begins to dwindle from the summer peak of 418 hours in July, yet December shines more brightly than the colder months preceding it, notably outperforming November's 191 hours. This subtle resurgence hints at a gradual transition from the dreary late autumn months to the optimism of winter's arrival. With each passing month, Celje showcases a vibrant tapestry of sunshine hours, culminating in a December that reminds residents and visitors alike to celebrate the lighter moments of a Slovenian winter.
In Celje, Slovenia, the likelihood of sunny weather in December stands at 33%, reflecting a modest chance for clear skies as the year draws to a close. This figure positions December among the cooler months, slightly higher than November's 25%, yet not quite as promising as the early months of the year. Notably, the trend shows a gradual increase in sunshine probability as the seasons transition from winter to spring, with March peaking at 56%. While December may not boast a high rate of sunny days, the occasional bright spell can still offer a delightful contrast to the typically overcast winter atmosphere, inviting residents and visitors alike to embrace the crisp, sunny moments amidst the cold.
As December unfolds in Celje, Slovenia, daylight begins to dwindle, offering just 8 hours of sunlight—the shortest day of the year. This decrease marks a stark contrast to the longer days of the summer months, where daylight extends to a generous 15 hours in June and July. Following the vibrant brightness of May, with 14 hours of daylight, the gradual reduction throughout the autumn months becomes palpable, as the city transitions from 12 hours in September down to 10 hours in October and November. The shift in daylight can be seen as a natural rhythm, with each month bringing a change that highlights the beauty of the seasons, culminating in December’s peaceful, yet reflective, shorter days. As we embrace this time of year, the subtle, creeping shadows remind us of the vibrant sunrises and sunsets that lie ahead with the coming spring.
As the year draws to a close, December winds in Celje, Slovenia, register an average speed of 1.7 m/s (4 mph), slightly breezier than the quieter November at 1.5 m/s (3 mph). This modest uptick reflects a trend of fluctuating wind patterns throughout the year, with the spring months typically showcasing the strongest breezes. While the summer months often feature gentler gusts, averaging around 1.6 m/s, the consistent winds of early winter remind us of the crispness in the air as the season transitions. Overall, December's winds capture the essence of a calm yet invigorating end to the year, perfectly suited for peaceful winter strolls in this charming Slovenian city.
Weather in Celje varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Celje, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a wider temperature range with minimums dipping to -15°C (5°F) and maximums reaching 15°C (60°F), resulting in an average temperature of 2°C (35°F). Precipitation is relatively high at 86 mm (3.4 in) over 9 days, accompanied by a humidity level of 89%. In contrast, January sees slightly colder conditions, with minimum temperatures dropping to -17°C (2°F) and an average of 0°C (33°F), while maximum temperatures cap at 12°C (55°F). Precipitation decreases significantly to 37 mm (1.5 in) over just 6 days, and humidity remains comparable at 90%. To learn more about the specifics of January's weather, you can visit Celje weather in January.
When comparing the weather in December and February, we see notable differences despite both months experiencing chilly conditions. December's temperatures range from a minimum of -15°C (5°F) to a maximum of 15°C (60°F), with an average of around 2°C (35°F). In contrast, February sees slightly warmer conditions, with temperatures ranging from -15°C (6°F) to a peak of 20°C (67°F) and an average of 3°C (38°F). Precipitation is also reduced in February, totaling 64 mm (2.5 in) over 9 days, compared to December's 86 mm (3.4 in) for the same number of days, while humidity is marginally lower in February at 84% compared to December's 89%. For more detailed information, you can visit Celje weather in February.
When comparing December and March weather, December typically experiences colder temperatures with a minimum of -15°C (5°F) and an average of 2°C (35°F), while March sees a slight warming trend, with an average temperature reaching 6°C (43°F) and a maximum of 22°C (71°F). Precipitation levels are higher in December, totaling 86 mm (3.4 in) over 9 days, compared to March's 57 mm (2.2 in), but both months share the same number of rainy days. Humidity is also higher in December at 89%, dropping to 78% in March, highlighting a drier atmosphere as spring approaches. For more details about March weather, you can visit Celje weather in March.
December and April present distinct weather contrasts. In December, temperatures range from a chilly minimum of -15°C (5°F) to a mild maximum of 15°C (60°F), with an average temperature of 2°C (35°F). The month also sees substantial precipitation, totaling 86 mm (3.4 in) over 9 days, and a high humidity level of 89%. In contrast, April experiences a significant warming trend, with temperatures ranging from a low of -8°C (18°F) to a pleasant high of 26°C (80°F) and an average of 10°C (51°F). Precipitation slightly decreases to 80 mm (3.2 in) over 11 days, and humidity drops to 73%. For more details on weather patterns, you can visit Celje weather in April.
In December, the weather is quite cold, with temperatures ranging from a brisk -15°C (5°F) at night to a mild 15°C (60°F) during the day, averaging around 2°C (35°F). The month experiences significant precipitation, totaling 86 mm (3.4 in) over about 9 days, coupled with high humidity levels at 89%. In contrast, May brings a much warmer climate, with temperatures typically varying from a minimum of 0°C (33°F) to a maximum of 29°C (85°F), averaging at 15°C (58°F). Precipitation increases to 142 mm (5.6 in) across 19 days, while humidity drops to a more comfortable 71%. This stark difference in temperature and overall weather conditions highlights the seasonal transition from the depths of winter to the blooming warmth of spring. For more details on May weather, you can check out Celje weather in May.
The weather in December and June presents a stark contrast, showcasing the diversity of the seasons. In December, temperatures can plummet as low as -15°C (5°F), with an average of 2°C (35°F) and a maximum of 15°C (60°F), creating a chilly atmosphere that is often marked by high humidity at 89%. Conversely, June boasts a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to an average of 20°C (68°F) and peaking at 34°C (94°F). While both months experience comparable precipitation levels—December sees 86 mm (3.4 in) over about 9 days, while June experiences 82 mm (3.2 in) over 13 days—the warmth of June is accompanied by significantly lower humidity at 73%. For a closer look at what to expect during June, visit Celje weather in June.
December and July exhibit strikingly different weather patterns. In December, temperatures can plummet to a minimum of -15°C (5°F) and range up to a maximum of 15°C (60°F), with an average of around 2°C (35°F). The month is characterized by high humidity at 89% and considerable precipitation of 86 mm (3.4 in) over about 9 days. In contrast, July offers a much warmer climate, where temperatures start at a minimum of 10°C (50°F) and can reach up to 33°C (92°F), averaging around 21°C (70°F). This summer month sees more total rainfall of 121 mm (4.8 in) over 15 days, but with a lower humidity level at 70%. For more specific details about July weather, visit Celje weather in July.
December and August present strikingly different weather conditions. In December, temperatures can plummet as low as -15°C (5°F), with an average of 2°C (35°F) and highs reaching 15°C (60°F). The month is marked by high humidity at 89% and moderate precipitation, totaling 86 mm (3.4 in) over about 9 days. In contrast, August enjoys much milder and warmer temperatures, ranging from a minimum of 7°C (45°F) to an average of 21°C (70°F), with maximums soaring up to 36°C (96°F). While August sees slightly more precipitation at 104 mm (4.1 in) over 13 days, the humidity is notably lower at 60%. For further insights into the delightful warmth of summer, check out Celje weather in August.
In December, temperatures tend to drop significantly, with a minimum of -15°C (5°F) and a maximum of 15°C (60°F), resulting in an average temperature of around 2°C (35°F). The month is characterized by high humidity levels at 89% and generally sees about 86 mm (3.4 in) of precipitation over approximately nine days. In stark contrast, September offers much milder conditions, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 30°C (87°F), averaging 16°C (61°F). This month experiences higher precipitation at 127 mm (5.0 in) over about twelve days, alongside lower humidity levels at 65%. For more insights on September weather specifically, check out Celje weather in September.
December weather in Celje is characterized by colder temperatures, with average highs reaching only 2°C (35°F) compared to October's much warmer average of 11°C (52°F). The minimum temperatures in December can plunge to -15°C (5°F), significantly lower than October’s minimum of -1°C (31°F). December also sees more precipitation, with 86 mm (3.4 in) over approximately 9 days, whereas October has less, at 71 mm (2.8 in) over 8 days. Humidity levels remain high in both months, with December at 89% and October at 84%. For a more detailed look at October's weather, you can visit Celje weather in October.
In December, temperatures exhibit a notable chill with minimums dropping to -15°C (5°F) and maximums reaching up to 15°C (60°F), contrasting with November, which enjoys milder conditions with minimums of -6°C (22°F) and maximums of 20°C (69°F). Both months experience high humidity levels at 89%, but December sees a slightly lower total precipitation of 86 mm (3.4 in) over 9 days, as compared to November's 98 mm (3.9 in) across 11 days. For more detailed insights into November weather, you can visit this link: Celje weather in November.
As December arrives in Celje, the weather takes on a distinct character, marked by cooler temperatures and increased humidity that sets it apart from other months. With an average of just 2°C (35°F), the month is notably chillier, and the occasional lows plunging to -15°C (5°F) embody the winter grip on the region. Precipitation is also more frequent, averaging 86 mm (3.4 in) over about 9 days, hinting at the more humid conditions that blanket the city. This chill, combined with the dampness in the air, creates a cozy atmosphere perfect for enjoying the local winter festivities. To learn more about the temperature patterns throughout the year in Celje, visit Celje Climate.