Last updated: August 27, 2025
In December, Slovenia experiences a seasonal chill, with temperatures ranging from a maximum of 18°C (64°F) to a minimum of -6°C (22°F), resulting in an average of 3°C (37°F). This month is characterized by a notable humidity level of 89%, creating a crisp atmosphere. Despite the cold, December sees approximately 67 mm (2.7 in) of precipitation over about 8 days, contributing to the serene wintry landscape that invites both locals and visitors to revel in the festive spirit of the holiday season.
As December settles in Slovenia, temperatures begin to dip, revealing the country’s enchanting winter charm. The month typically sees minimums around -6°C (22°F), while daytime averages rise to a cool 3°C (37°F). Despite the chill, the maximum temperatures can reach a balmy 18°C (64°F), reminding us that winter does not always equate to bitter cold. This transition from the milder autumn months to the frostier days brings a distinctive atmosphere, encouraging cozy moments by the fire and the anticipation of snow. As the year closes, Slovenia embraces the winter season, transforming its landscapes into a picturesque wonderland, making it a captivating time for both locals and visitors alike.
In December, Slovenia experiences a moderate level of precipitation, with a total of 67 mm (2.7 in) falling over 8 days. This volume marks a slight decline from the heavier rains seen earlier in the year, particularly in May when precipitation peaked at 123 mm (4.8 in). The trend reveals a gradual tapering off of rainfall as the year closes, suggesting a transition towards drier winter months. Nonetheless, December’s levels remain above the early winter averages of January and February, indicating a persistent and essential winter moisture supply for the region. Overall, December's weather serves as a reminder of the rhythmic cycle of Slovenia's climate, blending late autumn's residual wetness with the onset of winter’s chill.
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 enjoys a low UV Index of 2, meaning the exposure category is categorized as low, and individuals can expect a burn time of 45 minutes. This trend reflects the overall pattern observed throughout the year, transitioning from higher UV levels in the warmer months of May to August, where the index peaked at 9. As temperatures drop and daylight shortens in the winter months, the UV index significantly reduces, making December a safer time for outdoor activities without the intense sun exposure seen in summer. For a comprehensive understanding of Slovenia's UV Index throughout the year, check out UV Index.
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In Slovenia, December shines with approximately 198 hours of sunlight, contributing to a cozy ambiance as the year draws to a close. While the sunlight diminishes compared to the brighter months of July and June, which boast over 400 hours, December still offers a gentle glow, bridging the transition from the vibrant summer days to the wintry chill. This modest amount of sunshine follows a gradual decline from the summer's peak, with October and November seeing 285 and 201 hours respectively. Despite the colder temperatures, the soft winter light in December creates a magical atmosphere, perfect for enjoying cozy evenings and winter festivities in this charming European destination.
In Slovenia, the chance of sunny weather in December stands at 30%, reflecting a slight uptick from the dreary November, which only offers a 26% likelihood of sunshine. This modest increase, while not substantial, does suggest that as the year winds down, there can still be glimmers of brightness amidst the winter chill. Observing the trend from earlier months, we see that the probability of sun tends to fluctuate, peaking at 55% in March and generally staying higher during the spring and summer months, such as June and March, both boasting over 50% sunshine likelihood. December's figures, although among the lower end of the spectrum, remind us that, while winter may dominate the season, opportunities for a sunny day still exist as we embrace the festive charm of the holiday season.
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 settles in Slovenia, the average wind speed gently decreases to 2.2 m/s (5 mph), consistent with the subtle shift towards calmness typical of winter. This month marks a slight dip from November’s 2.0 m/s (4 mph), reflecting a seasonal trend where wind speeds gradually diminish from the breeziest months of spring to the tranquil feel of late autumn and early winter. Interestingly, the wind has remained relatively consistent throughout the colder months, indicating that while December may bring a chill, it's not marked by strong gusts. The calm demeanor of the December wind sets a serene backdrop for the festive season, inviting cozy gatherings and warm reflections as the year draws to a close.
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 and January present notable differences in weather patterns. December features a broader temperature range, with minimums around -6°C (22°F) and maximums reaching 18°C (64°F), while January typically sees lower extremes, with minimum temperatures dropping to -15°C (6°F) and maxima around 14°C (58°F). Precipitation is more significant in December, totaling 67 mm (2.7 in) over 8 days, compared to January's lighter precipitation of 29 mm (1.2 in) over just 6 days. Both months have high humidity levels, with December at 89% and January slightly higher at 90%. For more details on January weather, check out weather in January.
December and February both experience cool temperatures, but February tends to be slightly colder overall. In December, temperatures range from a minimum of -6°C (22°F) to a maximum of 18°C (64°F), with an average of 3°C (37°F) and relatively high humidity at 89%. The month sees about 67 mm (2.7 in) of precipitation over 8 days. In contrast, February has lower minimum temperatures, dropping to -12°C (11°F), while the average hovers around 4°C (40°F) and can reach a maximum of 20°C (68°F). This month sees slightly less precipitation at 51 mm (2.0 in) over 7 days, accompanied by a humidity level of 84%. For more details, you can check the weather in February.
December weather tends to be milder overall, with average temperatures around 3°C (37°F) and a maximum of 18°C (64°F), although it can dip to a chilly minimum of -6°C (22°F). The month sees about 67 mm (2.7 in) of precipitation over 8 days, along with higher humidity levels at 89%. In contrast, March experiences slightly more extreme temperatures, with a lower minimum of -18°C (-1°F) and a higher average of 7°C (45°F), peaking at 23°C (73°F). Precipitation in March is less, totaling 43 mm (1.7 in) across the same number of rainy days, and humidity drops to 78%. For more detailed information, check the weather in March.
In December, temperatures can be quite chilly, with a minimum of -6°C (22°F) and average highs reaching only 3°C (37°F), creating a wintry atmosphere. The month typically experiences about 67 mm (2.7 in) of precipitation over 8 days and high humidity levels at 89%, making the air feel particularly damp. In contrast, April brings a significant warming trend, with temperatures ranging from a minimum of -5°C (23°F) to a pleasant average of 12°C (53°F) and maximums soaring to 28°C (83°F). Although April sees slightly more precipitation at 54 mm (2.1 in) over 10 days, the overall lower humidity of 73% makes it feel much more comfortable. For more details on the weather during this month, you can check out the weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures can drop to a chilly -6°C (22°F), with an average of 3°C (37°F) and a maximum reaching 18°C (64°F). The month experiences high humidity at 89% and receives about 67 mm (2.7 in) of precipitation over roughly 8 days. In contrast, May brings a significant warming trend, with temperatures starting at 1°C (35°F) and soaring to an average of 16°C (61°F), peaking at a warm 32°C (89°F). However, it also sees increased rainfall, totaling 123 mm (4.8 in) across 17 days, and lower humidity at 71%. For more details, check the full weather in May.
December and June present strikingly different weather patterns. In December, temperatures can dip as low as -6°C (22°F), peaking at a mild 18°C (64°F) during the day, with an average of 3°C (37°F). This month also sees considerable humidity at 89% and approximately 67 mm (2.7 in) of precipitation over 8 days. Conversely, June offers a much warmer climate, with temperatures ranging from a minimum of 8°C (46°F) to a soaring maximum of 36°C (96°F), and an average temperature of 21°C (71°F). Despite having slightly higher precipitation at 83 mm (3.3 in) over 12 days, June’s humidity is notably lower at 73%. To learn more about the specifics of the weather in June, you can check this link: weather in June.
December and July showcase drastically different weather patterns. In December, temperatures range from a chilly -6°C (22°F) at night to a mild 18°C (64°F) during the day, with an average of 3°C (37°F). The month sees about 67 mm (2.7 in) of precipitation spread over 8 days, coupled with high humidity at 89%. In contrast, July brings much warmer temperatures, with a minimum of 11°C (51°F) and a maximum that reaches a sweltering 36°C (97°F). The average temperature sits comfortably at 22°C (72°F), along with increased precipitation of 87 mm (3.4 in) over 11 days and a lower humidity level of 70%. For a detailed look at the weather in July, visit weather in July.
In December, the weather is characterized by significantly lower temperatures, ranging from a minimum of -6°C (22°F) to a maximum of 18°C (64°F), with an average temperature of around 3°C (37°F). The month typically experiences high humidity at 89% and about 67 mm (2.7 in) of precipitation over approximately 8 days. In contrast, August brings much warmer conditions, with temperatures soaring from a minimum of 9°C (49°F) to a maximum of 38°C (100°F), resulting in an average of 22°C (73°F). Although August has slightly more precipitation at 80 mm (3.1 in) spread over 9 days, the humidity is more manageable at 60%. For more details, check the weather in August.
December and September present a stark contrast in weather conditions. In December, temperatures can dip as low as -6°C (22°F), with an average of 3°C (37°F) and a maximum of 18°C (64°F). This month also experiences high humidity at 89% and moderate precipitation of about 67 mm (2.7 in) over approximately 8 days. In contrast, September boasts a much milder climate, with minimum temperatures around 3°C (38°F) and a pleasant average of 17°C (63°F) reaching up to a maximum of 33°C (92°F). The month is typically wetter, recording 111 mm (4.4 in) of precipitation across 10 days, but with notably lower humidity at 65%. For more detailed information on the weather patterns, check out the weather in September.
In December, the weather takes a distinctly colder turn compared to October, with average temperatures hovering around 3°C (37°F) and a minimum dipping to -6°C (22°F). In contrast, October enjoys milder conditions, with average temperatures around 12°C (54°F) and maximums reaching up to 26°C (79°F). Both months experience similar levels of precipitation, with December receiving slightly more at 67 mm (2.7 in) compared to October's 64 mm (2.5 in), but the humidity is higher in December at 89%, compared to October's 84%. For more details on October weather specifics, you can visit weather in October.
In December, the weather tends to be slightly colder compared to November, with average temperatures falling from 7°C (45°F) in November to just 3°C (37°F) this month. Although both months share similar humidity levels at 89%, December experiences a drop in maximum temperatures, from 20°C (69°F) in November to 18°C (64°F). Additionally, December has slightly less precipitation, with 67 mm (2.7 in) over 8 days, while November sees 78 mm (3.1 in) of rain across 9 days. For a detailed look, you can check the weather in November.
As December unfolds, Crensovci experiences a dramatic shift in weather, setting it apart from the milder months that precede it. With temperatures plummeting to lows near freezing, and an average chill that wraps the town in a wintry embrace, December contrasts sharply against the balmy autumn days. The air hangs heavy with an impressive humidity of 89%, making it feel even colder. While precipitation is moderate, with eight days of rain adding to the festive atmosphere, the distinct chill signifies the true arrival of winter. If you’re curious about how this month's weather integrates into the broader patterns of the year, explore more in the Climate section.