December Weather in Nova Gorica, Slovenia

Last updated: August 27, 2025

In December, Nova Gorica, Slovenia, experiences a chilly and humid climate, with average temperatures hovering around 3°C (37°F). The month sees a peak temperature of 12°C (54°F), while nighttime lows can plunge to -8°C (19°F), creating a sharp contrast between day and night. With an impressive 186 mm (7.3 in) of precipitation spread over 11 days, residents and visitors alike should prepare for frequent rain. The high humidity level of 88% adds to the brisk atmosphere, making this month an ideal time for cozy indoor activities or enjoying the enchanting winter scenery.

December Temperature in Nova Gorica

As December descends upon Nova Gorica, Slovenia, it brings a notable chill to the air, with temperatures generally ranging from a minimum of -8°C (19°F) to a maximum of 12°C (54°F). The average temperature hovers around 3°C (37°F), marking a distinct drop as the year draws to a close. This seasonal transition is characterized by a steady decline in warmth compared to the earlier months, with November's averaged 7°C (45°F) being notably milder. While frost may coat the winter landscapes, the community embraces the beauty of the holidays, finding warmth not just in their homes, but in the festive spirit that illuminates the colder days.

December Weather in Nova Gorica: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nova Gorica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nova Gorica, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343943515868707161534537
Data source: Temperature data for Nova Gorica 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 Nova Gorica

December in Nova Gorica brings a notable shift in precipitation, with 186 mm (7.3 in) of rain falling over 11 days. This amount positions December as one of the wetter months, although slightly less than the previous month's generous 209 mm (8.2 in). The trend shows that as winter settles in, precipitation persists consistently through late autumn, contributing to the region's vibrant landscape. Compared to earlier months like May, which sees the highest rainfall with 233 mm (9.2 in), December's precipitation is significant yet embodies the transition to a colder season. Overall, the patterns highlight a dynamic climate, where the last month of the year continues to shape the local environment before the drier winter months approach.

December Precipitation Trends in Nova Gorica

The chart displays monthly precipitation patterns in Nova Gorica, 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 Nova Gorica, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec73142111149233134129123188151209186
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nova Gorica

As December rolls in, Nova Gorica, Slovenia experiences a noticeable increase in humidity, reaching 88%. This marks a return to the high levels of moisture reminiscent of earlier winter months, like November, which recorded a humid 89%. Interestingly, following a steady decline from the warmer summer months, where July and August saw their driest conditions at 63% and 51% respectively, December's humidity reflects the natural rhythm of the seasons. The humidity tends to spike before the full onset of winter, creating a cozy atmosphere as the temperatures drop, making it an inviting time to embrace the warmth indoors. Overall, December's humidity not only fosters a sense of seasonal change but also highlights the rich climatic patterns experienced throughout the year in this picturesque region.

December Average Humidity in Nova Gorica

This chart illustrates the average monthly humidity levels in Nova Gorica, 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 Nova Gorica is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nova Gorica

As winter settles in, December brings a notable decline in UV exposure in Nova Gorica, Slovenia, with a UV Index of 2, classified as low. This shift signifies a return to safer sun exposure levels after the high values seen in the summer months, where the index peaked at 9 during June and July, requiring only 15 minutes of burn time. In contrast, the month of December allows for a more generous 45 minutes before risk of sunburn, reinforcing the importance of seasonal awareness in sun safety. The trend throughout the year showcases a gradual rise in UV intensity from late winter into summer, making it crucial for residents and visitors to adapt their protection strategies accordingly. For detailed insights on UV levels and to prepare for your outdoor activities, check out Nova Gorica UV Index.

Maximum UV Index Levels in Nova Gorica for December

The chart shows the monthly maximum UV Index (UVI) for Nova Gorica 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 Nova Gorica typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Nova Gorica 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 Nova Gorica

In December, Nova Gorica experiences a gentle retreat of sunshine, with an average of 206 hours illuminating the city, marking a decline from the vibrant days of summer that peak in July with 425 hours of sunlight. As the year winds down, the shorter days bring a cozy charm, wrapping the town in a soft glow that contrasts with the sun-drenched vitality of May and June. Interestingly, while December heralds the onset of winter, it still boasts more sunlight than the preceding months of October and November, where cloudy skies begin to dominate. This gradual decrease in light throughout the year elegantly underscores the transition from the energetic warmth of summer to the reflective stillness of winter, making December a unique moment to appreciate the ebb and flow of sunshine in this picturesque Slovenian locale.

Monthly Sunshine Duration in Nova Gorica: December Highlighted

The December sunshine duration represents the total number of hours Nova Gorica 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h227h309h340h366h411h425h392h320h284h219h206h
Data source: Nova Gorica December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nova Gorica During December

In December, Nova Gorica enjoys a 35% chance of sunny weather, which offers a modest glimpse of sunshine as the year winds down. This percentage reflects a slight dip from the previous month, November, which boasts a 34% chance. Interestingly, December's likelihood stands in sharp contrast to the sunnier spells in spring, where March peaks at 57% sunshine. Although winter clouds may dominate, the city still experiences a fair share of bright moments, continuing the trend of fluctuating sunshine throughout the year. As you venture into December, embrace the cool air and the occasional sunny break amidst the winter chill.

Percentage of Sunny Days in December in Nova Gorica

The chart illustrates the percentage of sunny days in Nova Gorica 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 Nova Gorica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%39%57%36%33%48%46%49%50%43%34%35%
Data source: Nova Gorica December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nova Gorica in December

In Nova Gorica, Slovenia, the patterns of daylight throughout the year showcase a rhythmic cycle influenced by the changing seasons. Starting the year with 9 hours of daylight in January, the days gradually lengthen, peaking at 15 hours in the summer months of June and July. As autumn approaches, the sunlight begins to wane, with October bringing just 10 hours and November dropping again to 9 hours. By December, the daylight reaches its annual low at 8 hours, marking the end of the year with shorter, cozy days. This steady ebb and flow of daylight not only signifies the transition of seasons but also invites residents to embrace the unique charm of colder winter days.

Average Daylight Hours in Nova Gorica for December

The chart illustrates the variation in daylight duration in Nova Gorica throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 5m10h 21m11h 56m13h 33m14h 57m15h 39m15h 17m14h 3m12h 29m10h 52m9h 26m8h 42m
Data source: Nova Gorica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nova Gorica

As December rolls into Nova Gorica, Slovenia, the average wind speed settles at a gentle 1.8 m/s (4 mph), maintaining a trend of mild breezes typical for the season. This slight dip from the crisp gusts of October and November indicates a calmer atmosphere as the year draws to a close. Throughout the year, wind speeds generally hover around 1.9 m/s, showcasing a consistency in the local climate, with only minor fluctuations noticed during the warmer summer months. As the cold winter air begins to take hold, the December winds serve as a reminder of the serene beauty of this charming locale, inviting visitors to embrace the quietude of the season.

Average December Wind Speed in Nova Gorica

The chart displays monthly wind speed patterns in Nova Gorica, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.91.81.91.91.61.71.81.72.42.41.8 m/s
Data source: Nova Gorica December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nova Gorica Compares to Other Months

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

December typically offers a slightly milder climate compared to January, with average temperatures reaching 3°C (37°F) and maximums around 12°C (54°F). In contrast, January experiences colder temperatures, averaging just 1°C (35°F) and peaking at 11°C (52°F), with a minimum of -11°C (13°F). Precipitation also differs significantly; December sees 186 mm (7.3 in) over 11 days, whereas January receives only 73 mm (2.9 in) over 7 days. Despite the colder conditions, both months share a consistent humidity level of 88%. For more detailed information, check out the Nova Gorica weather in January.

The weather in December and February presents some notable differences. December experiences a slightly milder temperature range, with a minimum of -8°C (19°F) and a maximum of 12°C (54°F), culminating in an average of 3°C (37°F). In contrast, February's temperatures can drop even lower, with a minimum of -10°C (14°F) but can spike to a warmer maximum of 20°C (68°F), resulting in an average of 4°C (39°F). Precipitation is relatively consistent in both months, with December seeing 186 mm (7.3 in) and February at 142 mm (5.6 in), both occurring over 11 days. Additionally, February boasts lower humidity levels at 82% compared to December's higher 88%. For a more detailed look at February weather in this region, visit Nova Gorica weather in February.

Comparing the weather in December and March reveals a notable shift in temperatures and conditions. In December, temperatures range from a chilly minimum of -8°C (19°F) to a mild maximum of 12°C (54°F), with an average of 3°C (37°F). The month also sees significant precipitation, totaling 186 mm (7.3 in) over 11 days, coupled with high humidity at 88%. In contrast, March experiences more moderate temperatures, with minimums of -16°C (4°F) and maximums reaching up to 22°C (72°F), and an average of 6°C (43°F). Precipitation decreases to 111 mm (4.4 in) over the same number of days, and humidity drops to 73%. For a closer look at weather conditions in March, you can check Nova Gorica weather in March.

In comparing December and April weather, December tends to be much colder, with average temperatures hovering around 3°C (37°F) and a maximum of only 12°C (54°F). The month is characterized by high humidity at 88% and significant precipitation totaling 186 mm (7.3 in) over 11 days. In contrast, April experiences a noticeable warming trend, with average temperatures rising to 10°C (51°F) and highs reaching up to 26°C (79°F). Precipitation in April is lower at 149 mm (5.9 in), spread over 12 days, and the humidity is also more moderate at 73%. For more detailed information, visit Nova Gorica weather in April.

December and May present contrasting weather conditions. In December, temperatures range from a chilly minimum of -8°C (19°F) to a comfortable average of 3°C (37°F), with highs reaching up to 12°C (54°F). Humidity is high at 88%, and the month experiences significant precipitation of 186 mm (7.3 in) over 11 days. In contrast, May offers a much milder climate, with temperatures starting at a minimum of 2°C (36°F) and averaging 14°C (58°F), peaking at 26°C (79°F). While May sees a higher total precipitation of 233 mm (9.2 in) over 21 days, the humidity is notably lower at 70%. For more insights on weather during May, check out Nova Gorica weather in May.

December and June present stark contrasts in weather. December's temperatures can dip as low as -8°C (19°F) and only reach an average of 3°C (37°F) at their peak, creating a chilly environment with high humidity at 88%. In contrast, June enjoys a much warmer climate with minimum temperatures around 7°C (44°F) and averages soaring to 20°C (68°F), reaching as high as 35°C (96°F). While December experiences higher precipitation totals of 186 mm (7.3 in) over 11 days, June has a slightly lower rainfall of 134 mm (5.3 in) across 12 days, paired with markedly lower humidity at 69%. For more details on June weather in Nova Gorica, you can check out Nova Gorica weather in June.

The weather in December contrasts sharply with that of July. In December, temperatures can drop as low as -8°C (19°F) and average around 3°C (37°F), while in July, the temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (94°F), averaging 21°C (70°F). December experiences significantly higher humidity at 88%, compared to July’s 63%. Furthermore, December sees more precipitation, totaling 186 mm (7.3 in) over 11 days, while July has 129 mm (5.1 in) spread over 15 days of rain. For a detailed look at the weather conditions in July, visit Nova Gorica weather in July.

December and August present stark contrasts in weather characteristics. In December, temperatures typically range from a chilly -8°C (19°F) at night to a mild 12°C (54°F) during the day, with an average of around 3°C (37°F). The month is quite wet, receiving about 186 mm (7.3 inches) of precipitation over 11 days, accompanied by high humidity levels at 88%. In contrast, August showcases much warmer conditions, with minimum temperatures of 9°C (49°F) and maximums reaching 34°C (94°F), resulting in an average of 21°C (71°F). Precipitation is lower at 123 mm (4.8 inches) over 14 days, and humidity drops significantly to 51%. For a closer look at August conditions, you can explore Nova Gorica weather in August.

In comparing December and September weather, there is a stark contrast in temperatures and humidity levels. December experiences significantly colder conditions, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 12°C (54°F) and an average of 3°C (37°F). In contrast, September boasts much milder weather, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 30°C (87°F) and an average of 16°C (62°F). Precipitation is somewhat similar, with December receiving 186 mm (7.3 in) over 11 days, while September has a slightly higher rainfall of 188 mm (7.4 in) over 12 days. Additionally, the humidity level in December reaches a high of 88%, compared to a more comfortable 64% in September. For more detailed information about September weather, check out Nova Gorica weather in September.

In comparing the weather of December and October, December experiences significantly colder temperatures, with minimums dropping to -8°C (19°F) and an average of just 3°C (37°F), while October boasts milder temperatures, ranging from a minimum of 1°C (35°F) to an average of 12°C (53°F) and highs reaching 23°C (73°F). Additionally, December sees a higher amount of precipitation at 186 mm (7.3 in) compared to October's 151 mm (6.0 in), although both months have similar precipitation days, averaging around 11. Humidity levels in December are slightly higher at 88% versus 83% in October, adding to the chill of the winter month. For a more detailed look at October's weather, you can check Nova Gorica weather in October.

December weather is generally colder than November, with average temperatures dropping from 7°C (45°F) in November to a chilly 3°C (37°F) in December. The minimum temperature in December can reach as low as -8°C (19°F), compared to -4°C (25°F) in November. Additionally, while both months experience significant precipitation, December sees a slight decrease with 186 mm (7.3 in) over 11 days, compared to November's 209 mm (8.2 in) over 13 days. Humidity remains high in both months, at 88% in December and 89% in November, creating a damp and chilly atmosphere. For more details on November weather, check out Nova Gorica weather in November.

Compare Nova Gorica's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nova Gorica

December in Nova Gorica embraces winter's chill, with temperatures noticeably lower than those in preceding months. The atmosphere becomes crisper, and the likelihood of rain rises, leading to a humid environment that contrasts with the drier summer months. While the city sees a significant number of precipitation days, this moisture can add a unique charm to the winter landscape. For those curious about the broader climate trends, explore the detailed information at Nova Gorica Climate.