Last updated: August 27, 2025
December in Slovenia presents a chilly yet captivating atmosphere, characterized by a maximum temperature of 16°C (62°F) and an average of 2°C (36°F), with minimum temperatures plummeting to -9°C (15°F). The region experiences a notable precipitation amount of 71 mm (2.8 in) over 9 days, creating a beautifully lush landscape amidst the frosty weather. With humidity levels hovering around 89%, the month evokes a sense of winter wonder, enticing both locals and visitors to embrace Slovenia’s charming seasonal beauty while enjoying cozy indoor retreats.
As December unfolds in Slovenia, temperatures start to dip, with minimums averaging around -9°C (15°F) and averages settling at a chilly 2°C (36°F). While the cold may creep in, the days still manage to warm up to a cozy maximum of 16°C (62°F), providing brief respites from the winter chill. This month marks a noticeable transition, as temperatures continue the downward trend established in late autumn; however, they remain milder compared to the stark lows seen in January. December's weather not only encapsulates the essence of winter but also invites the enchantment of holiday cheer, making it a unique time to experience Slovenia's beautiful snowy landscapes.
December brings a moderate precipitation amount of 71 mm (2.8 in), with rainfall spread over approximately 9 days. This marks a slight decrease from the wetter months of May and September, which each saw over 130 mm and 145 mm, respectively. Interestingly, the final month of the year maintains a brisk balance, offering a crisp winter atmosphere without the deluge experienced in earlier months. As temperatures drop and the landscape dons its icy attire, December’s precipitation serves as a bridge between the wet fall and the dry winter, hinting at the tranquil yet unpredictable weather patterns that characterize Slovenia’s festive season.
In December, Slovenia experiences a notable rise in humidity, maintaining a high level of 89%—a figure consistent with November's readings. This trend of elevated humidity during the winter months is characteristic of the region, as seen with January's substantial 90%. As temperatures drop and the landscape embraces the chill of winter, moisture in the air tends to linger. As the year progresses to spring, humidity gradually decreases, reaching its lowest point at 60% in August. However, the end of the year reveals a return to those damp conditions, setting the stage for a cozy, sometimes foggy atmosphere that typifies Slovenia's winter charm.
In December, Slovenia experiences a low UV Index of 2, indicating minimal risk from harmful sun exposure. This aligns with the trend seen in January, where the UV Index remains similarly low, allowing for a comfortable burn time of 45 minutes before skin may begin to redden. As the year winds down, the UV levels dramatically decrease from the peaks of very high readings during the summer months, highlighting the seasonal shift in sun intensity. This slower exposure risk in winter months makes it a great time for outdoor activities without the constant concern of overexposure. For more details on UV levels throughout the year, visit UV Index.
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As the year draws to a close, December in Slovenia experiences a gentle embrace of sunlight, offering an average of 203 hours of brilliant rays. This sets December apart as a month of brightening days, with sunlight hours gradually increasing from the preceding November, which had just 199 hours. The trend showcases a consistent climb in daylight since the darker winter months, reflecting the gradual transition toward spring as winter solstice passes. While December may rack up fewer sunlight hours than the vibrant summer months, the crisp winter air, combined with those golden beams, creates a picturesque backdrop perfect for enjoying the season’s charm.
In Slovenia, the likelihood of enjoying sunny weather in December stands at a moderate 33%, slightly higher than the dismal 26% seen in November. This increase hints at the gradual return of sunshine as the year draws to a close. Analyzing the seasonal trends, it's clear that while the sun shines more frequently in early spring and summer—with chances peaking at 54% in March—the winter months generally yield lower percentages of sunshine. Thus, while December may not boast the brightest days, it offers a glimmer of hope for those seeking a break from the dreary clouds of late fall.
As the year winds down, December in Slovenia greets residents with a modest 8 hours of daylight, the shortest duration since the summer months. This decline from 9 hours in November signals the deepening embrace of winter, following a gradual decrease from the 15 hours enjoyed in the lush days of late spring and early summer. Observing the trends, daylight begins its steady ascent in January, climbing to 10 hours in February before springing forward in March, where it reaches 11 hours. The contrast is stark after the vibrant summer months, illustrating a clear cycle: longer days that nurture growth give way to the quieter, dimmer reflections of winter. As hours of sunlight wane, the cozy ambiance of the approaching holiday season blankets Slovenia, inviting moments of warmth and togetherness beneath the soft glow of those fleeting daylight hours.
As December sets in Slovenia, the average wind speed gently settles at 2.0 m/s (4 mph), marking a subtle shift from the breezier months earlier in the year. This month reflects a trend seen throughout the year, with wind speeds generally peaking in the spring months of April and May at 2.6 m/s (6 mph) before tapering off to the calmest periods of summer and late autumn. The consistent low speeds in late autumn, particularly in November and December, hint at a tranquil winter atmosphere, perfect for cozy gatherings indoors while the landscape dons its winter coat. Overall, as the year wraps up, December’s winds remind us of nature's gentle embrace, inviting reflection and warmth amidst the chill.
Weather in varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in , focusing on differences in temperature, rainfall, humidity, and UV levels.
December typically sees milder temperatures compared to January, with average highs reaching 16°C (62°F) and lows averaging around -9°C (15°F). In contrast, January is notably colder, with average temperatures peaking at 14°C (57°F) and dipping to a minimum of -17°C (1°F). December also experiences more precipitation, totaling 71 mm (2.8 in) across 9 days, whereas January has less, with only 34 mm (1.3 in) over 6 days. Both months maintain high humidity levels, hovering around 89% in December and 90% in January. For a detailed look at January’s conditions, you can refer to weather in January.
December and February exhibit notable variations in weather despite both being winter months. In December, temperatures range from a minimum of -9°C (15°F) to a maximum of 16°C (62°F), with an average of 2°C (36°F). The month sees about 71 mm (2.8 in) of precipitation over 9 days, coupled with a high humidity of 89%. In contrast, February has a slightly colder minimum temperature of -12°C (11°F) but an average of 4°C (39°F) and can reach up to 20°C (68°F). Precipitation in February is lower at 58 mm (2.3 in) over the same number of rainy days, and humidity is also slightly reduced at 84%. For more detailed insights into February's weather, you can check the weather in February.
In December, the weather is marked by chilly temperatures, with a minimum of -9°C (15°F) and an average of 2°C (36°F), peaking at a comfortable 16°C (62°F). The month is characterized by frequent precipitation, totaling 71 mm (2.8 in) over 9 days, accompanied by high humidity levels at 89%. In contrast, March experiences slightly colder minimum temperatures, dropping to -18°C (0°F), but it tends to warm up with an average temperature of 6°C (43°F) and a maximum reaching 22°C (72°F). The precipitation in March is lower, at 52 mm (2.1 in) over the same 9 days, and the humidity decreases to 78%. For more detailed insights, check out the weather in March.
December and April present a striking contrast in weather patterns. In December, temperatures can dip as low as -9°C (15°F) and typically average around 2°C (36°F), while maximum temperatures reach 16°C (62°F). The month is characterized by high humidity at 89% and 9 days of precipitation totaling 71 mm (2.8 in). In contrast, April experiences a milder climate, with minimum temperatures at -7°C (19°F) and average temperatures rising to a pleasant 11°C (52°F). The highs can soar to 27°C (81°F), and though it has slightly more precipitation at 72 mm (2.9 in) over 11 days, the humidity drops significantly to 73%. For a detailed look at what April has to offer, you can check the weather in April.
In December, temperatures in Hajdina typically range from a chilly -9°C (15°F) to a mild 16°C (62°F), with an average hovering around 2°C (36°F). The month sees about 71 mm (2.8 in) of precipitation over roughly 9 days, accompanied by high humidity levels of 89%. In stark contrast, May experiences much warmer conditions, with minimum temperatures of 3°C (37°F) and maximums soaring to 31°C (88°F), averaging 15°C (59°F). Precipitation in May is higher at 138 mm (5.4 in), distributed over 17 days, and humidity decreases to a more comfortable 71%. For a closer look at the weather specifics during this vibrant spring month, check out weather in May.
December and June present contrasting weather conditions. In December, temperatures range from a chilly -9°C (15°F) to a mild 16°C (62°F), with an average of around 2°C (36°F). The month experiences 71 mm (2.8 in) of precipitation over about 9 days, accompanied by high humidity at 89%. In stark contrast, June offers a more pleasant climate, with temperatures fluctuating between 7°C (45°F) and a sizzling 36°C (96°F), averaging 20°C (69°F). This month sees slightly higher precipitation at 93 mm (3.7 in) over 13 days, but with significantly lower humidity at 73%. For more insights, check the weather in June.
In December, temperatures are significantly colder, with a minimum of -9°C (15°F) and an average of 2°C (36°F), while July boasts much warmer conditions, ranging from a minimum of 9°C (49°F) to a comfortable average of 21°C (70°F). Additionally, December experiences higher humidity at 89% and lower precipitation levels spread over about 9 days, compared to July's 70% humidity and 14 days of rainfall. While December's weather can be chilly and damp, July offers a much sunnier and warmer climate, perfect for outdoor activities. For more details on the weather in July, you can check out the following link: weather in July.
December and August present starkly contrasting weather patterns. In December, temperatures can dip as low as -9°C (15°F), with an average of 2°C (36°F) and highs reaching only 16°C (62°F). The month is characterized by high humidity at 89% and moderate precipitation, with about 71 mm (2.8 in) falling over 9 days. In contrast, August boasts a much milder climate, featuring a minimum temperature of 7°C (46°F), an average of 21°C (71°F), and soaring highs that can reach up to 36°C (97°F). Despite having slightly more rainfall at 103 mm (4.0 in) over 11 days, August experiences a significantly lower humidity of 60%, making it a much drier and warmer month. For more insight into the weather conditions in August, check out the weather in August.
In December, the weather turns significantly colder, with minimum temperatures plummeting to -9°C (15°F) and average highs reaching only 16°C (62°F). The month experiences an average precipitation of 71 mm (2.8 in) over roughly 9 days and notable humidity at 89%. In contrast, September offers much warmer conditions, with temperatures ranging from a minimum of 3°C (37°F) to an average high of 32°C (89°F) and an overall average of 16°C (61°F). September also sees higher precipitation levels at 145 mm (5.7 in) across 12 days, accompanied by lower humidity of 65%. For more details, you can check the weather in September.
December weather is notably colder than that of October, with average temperatures ranging from a minimum of -9°C (15°F) to a maximum of 16°C (62°F), compared to October's milder temperatures, which range from -1°C (31°F) to 25°C (78°F). In December, precipitation is slightly higher at 71 mm (2.8 in) over 9 days, while October sees 69 mm (2.7 in) of rainfall, also over 9 days. Additionally, December has a higher humidity level at 89% compared to October's 84%, contributing to a distinctively chillier and damp atmosphere. For more details, check out the weather in October.
In comparing the weather between December and November, December experiences slightly colder temperatures, with a minimum of -9°C (15°F) compared to November's -5°C (23°F). The average temperature in December drops to 2°C (36°F), whereas November enjoys a milder average of 6°C (43°F). Maximum temperatures in December reach up to 16°C (62°F), but November can still see highs of 20°C (68°F). Precipitation levels are relatively similar, with December receiving 71 mm (2.8 in) over 9 days and November having 87 mm (3.4 in) over 10 days. Both months maintain high humidity levels at 89%. For a detailed view of November's weather patterns, check out weather in November.
As December unfolds, it ushers in a notable shift in weather patterns compared to previous months. With average temperatures dropping to a chilly 2°C (36°F), this month marks the start of winter, bringing crisp air and a snowy landscape. While precipitation is prevalent with 9 days of rain or snow, the humidity levels climb to a damp 89%, adding to the season's brisk atmosphere. This transition to colder weather not only transforms the scenery but also beckons cozy indoor gatherings and festive celebrations. For a deeper understanding of seasonal changes, visit our Climate section.