December Weather in Vannes, France

Last updated: February 26, 2025

December in Vannes, France, is characterized by cool to mild temperatures and noteworthy precipitation. The maximum temperature reaches a pleasant 14°C (58°F), while the average hovers around 8°C (47°F), dipping to a chilly minimum of -1°C (30°F) on colder days. Expect frequent rainfall, with about 104 mm (4.1 in) across 15 days of the month, contributing to a high humidity level of 82%. This combination creates a misted and serene winter atmosphere, perfect for enjoying the quaint charm of Vannes during the festive season.

December Temperature in Vannes

In December, Vannes experiences a noticeable shift in temperatures as winter settles in. With minimums dropping to around -1°C (30°F), the air becomes crisp and chilly, while the average temperature hovers at a cool 8°C (47°F). The city records a maximum of 14°C (58°F), offering brief moments of respite from the cold. Compared to the preceding months, this drop signifies a transition from the milder autumn conditions into the deeper cold of winter, making warm layers essential for evening strolls through the picturesque streets. Overall, December’s weather captures the essence of a French winter, blending chilly temperatures with a cozy ambiance, perfect for enjoying seasonal festivities.

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

The chart illustrates December temperature patterns in Vannes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444648525763666561564947
Data source: Temperature data for Vannes generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Vannes

In December, Vannes, France, experiences a notable increase in precipitation, with an impressive 104 mm (4.1 in) of rain distributed over 15 days. This trend marks December as the wettest month of the year, significantly surpassing the averages of previous months. While October and November also showcase substantial rainfall, with 91 mm and 75 mm respectively, the steady rise leading into December highlights a shift towards the peak of the rainy season. The increased frequency of rainy days signals a definitive transition into winter, as the lush landscapes of Vannes embrace a transformative moisture that feeds both the earth and atmosphere.

December Precipitation Trends in Vannes

The chart displays monthly precipitation patterns in Vannes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4970634568844850429175104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vannes

In Vannes, France, December brings a return to a notable 82% humidity, aligning with the patterns observed in several other months throughout the year. While there is a slight dip in humidity during the summer, with July and August experiencing lower levels at 77% and 78% respectively, the autumn months tend to hover around 81-82%. This consistency showcases Vannes' mild, maritime climate, where humidity remains relatively stable, ensuring that even in winter, the air retains a refreshing moisture. Thus, December not only feels typical in its humidity but also echoes the broader annual trends, providing a smooth transition into the colder season.

December Average Humidity in Vannes

This chart illustrates the average monthly humidity levels in Vannes, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%81%82%82%80%77%78%79%82%81%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vannes

As December rolls into Vannes, the UV Index remains low at 2, similar to January and November, indicating minimal risk of harm from unprotected sun exposure. With a burn time of 45 minutes, it’s a perfect month for leisurely strolls on the beach or through the picturesque streets without the immediate worry of sunburn. This trend of lower UV levels in the winter months follows a peak during the summer, where values reached 9 in both June and July, marking a stark contrast to the tranquil December climate. As always, it's wise to stay informed about the UV levels and protect your skin accordingly. For more details, check out the Vannes UV Index.

Maximum UV Index Levels in Vannes for December

The chart shows the monthly maximum UV Index (UVI) for Vannes 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Vannes 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 Vannes

December in Vannes, France, offers a gentle transition into winter, with approximately 189 hours of sunshine illuminating the shorter days. This marks a notable drop compared to the 204 hours seen in February, highlighting the seasonal shift as the year closes. As autumn gives way to winter, sunshine diminishes consistently from the radiant peaks of July and June, both basking in around 410 hours of daylight. However, Vannes's December still enjoys more sunlight than the deeper winter months that follow, making it a charming time to appreciate the city’s festive spirit under the soft, waning sun.

Monthly Sunshine Duration in Vannes: December Highlighted

The December sunshine duration represents the total number of hours Vannes 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.
JanFebMarAprMayJunJulAugSepOctNovDec144h204h298h356h408h410h427h399h335h277h227h189h
Data source: Vannes December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vannes During December

In Vannes, France, the likelihood of sunny weather in December is relatively low, with only a 26% chance of sunshine. This figure is notably less than the sunny prospects seen in the previous spring months, where the chances soar to 57% in April and 47% in March. As the year draws to a close, the trend indicates a gradual decline from the earlier months, with December's sun exposure falling below the yearly average after a peak in spring. Compared to the preceding months, December experiences a significant drop in sunny days, highlighting a seasonal transition toward chillier and cloudier weather as winter sets in.

Percentage of Sunny Days in December in Vannes

The chart illustrates the percentage of sunny days in Vannes 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 Vannes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%28%47%57%34%39%44%43%45%42%39%26%
Data source: Vannes December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vannes in December

As December graces Vannes, France, daylight dwindles to a mere 8 hours, mirroring the shorter days that began with the turn of the season. This month wraps up a year characterized by a gradual increase in sunlight, peaking in the vibrant 15 hours of daylight that June and July offer. Following a decline from those mid-year heights, November sees 9 hours, leading into December's twilight phase. This pattern underscores a rhythmic ebb and flow of light throughout the year, as the days grow longer in spring, reaching their zenith in summer, before gracefully receding once more into the embrace of winter. The changing daylight not only paints the cyclical nature of time in Vannes but also influences the locale's seasonal charm and atmosphere.

Average Daylight Hours in Vannes for December

The chart illustrates the variation in daylight duration in Vannes throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 15m11h 56m13h 39m15h 8m15h 54m15h 30m14h 10m12h 30m10h 48m9h 16m8h 28m
Data source: Vannes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Vannes

In Vannes, France, December ushers in a brisk wind, with an average speed of 4.9 m/s (11 mph), making it one of the more blustery months of the year. As the year draws to a close, wind speeds show a notable increase from the autumn months, which typically hover around 3.5 m/s to 4.2 m/s. This winter uptick is part of a broader trend where late fall and winter months experience higher winds, peaking in February and May. The cool, invigorating air of December not only enhances the coastal charm of Vannes but also signals the approach of winter, inviting both locals and visitors to embrace the season's unique beauty.

Average December Wind Speed in Vannes

The chart displays monthly wind speed patterns in Vannes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.14.34.15.13.14.24.03.64.23.54.9 m/s
Data source: Vannes December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Vannes Compares to Other Months

The weather in Vannes changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Vannes and find detailed weather information for every month.

December weather features milder temperatures with a minimum of -1°C (30°F) and an average of 8°C (47°F), peaking at a maximum of 14°C (58°F). The month is rather wet, receiving 104 mm (4.1 in) of precipitation over 15 days, accompanied by high humidity levels of 82%. In contrast, January experiences colder conditions, with temperatures dipping to a minimum of -6°C (21°F) and an average of 7°C (44°F), while the maximum reaches 15°C (59°F). The precipitation is significantly lower at 49 mm (1.9 in) spread over just 9 days, maintaining the same humidity of 82%. For a more detailed look at January weather, visit Vannes weather in January.

In December, the weather typically ranges from a chilly minimum of -1°C (30°F) to a milder maximum of 14°C (58°F), with an average temperature of 8°C (47°F). This month experiences significant precipitation, totaling 104 mm (4.1 in) over approximately 15 days, along with a humidity level averaging 82%. In contrast, February sees slightly colder nighttime temperatures, dropping to a low of -6°C (22°F), while daytime highs can reach up to 19°C (67°F). Although the average temperature remains similar at 8°C (46°F), February has less rainfall at 70 mm (2.8 in) spread over about 12 days, with humidity slightly higher at 83%. For a more detailed look at the weather specifics, you can check Vannes weather in February.

In December, the weather is generally cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 14°C (58°F) and an average of 8°C (47°F). This month experiences significant precipitation, totaling 104 mm (4.1 in) over 15 days, along with a relatively high humidity level of 82%.

In contrast, March boasts a slightly milder climate, with temperatures dipping as low as -7°C (20°F) and rising to a maximum of 21°C (70°F), averaging 9°C (49°F). Precipitation decreases to 63 mm (2.5 in) over 12 days, and humidity remains comparable at 81%. Overall, March is warmer and drier than December, making it a more pleasant time for outdoor activities. For more details, check Vannes weather in March.

In December, the weather is generally colder, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 14°C (58°F). This month sees significant rainfall, accumulating to 104 mm (4.1 in) over about 15 days, contributing to the high humidity of 82%. In contrast, April experiences milder temperatures, with a minimum of -2°C (29°F) and a maximum of 25°C (78°F), and a lower overall precipitation of 45 mm (1.8 in) spread across just 8 days. Despite the slight drop in minimum temperatures, both months share a humidity level of 82%, but April offers a brighter outlook with warmer days. For more information about the weather in April, check out Vannes weather in April.

In December, the weather is notably cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 14°C (58°F) and an average of 8°C (47°F). This month experiences more frequent precipitation, totaling 104 mm (4.1 in) over approximately 15 days, contributing to a damp atmosphere with humidity consistently at 82%. In contrast, May brings a warmer climate, where temperatures range from 1°C (34°F) at night to a pleasant 28°C (83°F) during the day, averaging 14°C (58°F). Additionally, precipitation decreases to 68 mm (2.7 in) over about 12 days, maintaining the same humidity level of 82%, but with a much sunnier disposition. For more details on May weather, visit Vannes weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly -1°C (30°F) to a mild max of 14°C (58°F), with average daily temperatures around 8°C (47°F). This month experiences significant precipitation, averaging 104 mm over 15 days, and a high humidity level of 82%. In stark contrast, June offers warmer conditions, with temperatures stretching from a comfortable 7°C (44°F) to a sweltering 33°C (92°F), and an average of 17°C (63°F). Rainfall in June is less intense, totaling 84 mm over 11 days, accompanied by a slightly lower humidity of 80%. For a detailed look at what to expect, check out Vannes weather in June.

The weather in December contrasts sharply with that of July. In December, temperatures range from a chilly minimum of -1°C (30°F) to a mild average of 8°C (47°F), peaking at a maximum of 14°C (58°F). The month is characterized by significant precipitation, with 104 mm (4.1 in) recorded over 15 days, and humidity levels averaging around 82%. In contrast, July brings warmer conditions, with a minimum temperature of 9°C (48°F) and an average of 19°C (66°F), soaring to a maximum of 33°C (92°F). Precipitation is notably lighter in July, at 48 mm (1.9 in) over just 8 days, and humidity levels are slightly lower at 77%. For more detailed insights, check out Vannes weather in July.

December and August present markedly different weather conditions. In December, temperatures range from a chilly minimum of -1°C (30°F) to a maximum of 14°C (58°F), with an average of 8°C (47°F), making it a much colder month. Additionally, December experiences higher precipitation, totaling 104 mm (4.1 in) across approximately 15 days, along with a humidity level of 82%. In contrast, August enjoys warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 34°C (94°F), and an average of 18°C (65°F). Precipitation in August is notably lower, at 50 mm (2.0 in) over about 9 days, with a slightly lower humidity at 78%. For more details on August weather, you can check Vannes weather in August.

December and September exhibit contrasting weather patterns. December sees cooler temperatures with an average of 8°C (47°F) and a maximum of 14°C (58°F), while September enjoys milder conditions, averaging 16°C (62°F) and peaking at 31°C (88°F). In terms of precipitation, December is significantly wetter, receiving 104 mm (4.1 in) over 15 days, compared to September's 42 mm (1.7 in) across just 8 days. Humidity levels are slightly higher in December at 82%, compared to 79% in September, contributing to a more damp atmosphere in the winter month. For more information, check out Vannes weather in September.

In comparing the weather of December to that of October, we notice a distinct shift in temperature and precipitation patterns. December experiences cooler conditions, with average temperatures ranging from a low of -1°C (30°F) to a high of 14°C (58°F), while October boasts milder temperatures, averaging between 1°C (34°F) and 23°C (74°F). Precipitation is slightly higher in December at 104 mm (4.1 in) over 15 rainy days, compared to October's 91 mm (3.6 in) across 12 days. Interestingly, both months share a humidity level of 82%, indicating a consistently damp atmosphere throughout autumn and early winter. For a more detailed examination of October weather, you can check out Vannes weather in October.

In comparing the weather of December and November, December tends to be slightly colder, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 14°C (58°F). In contrast, November has a milder temperature range, with minimums at 0°C (32°F) and maximums reaching up to 18°C (64°F). Additionally, December experiences more precipitation, totaling 104 mm (4.1 in) over 15 rainy days, compared to November's 75 mm (3.0 in) over just 11 days. Humidity levels remain relatively similar, with December at 82% and November at 81%. For more details on the climate during this month, you can check Vannes weather in November.

Compare Vannes's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Vannes

As December settles in Vannes, the weather takes a notable turn, embracing the chill and frequent rain that characterizes the winter season. This month is marked by a cooler atmosphere, with temperatures dipping lower than those in the preceding months, while humidity remains relatively high at 82%. The city sees about 15 days of precipitation, amounting to 104 mm, making it one of the wetter months of the year. While the cooler air and** occasional frost (minimum of -1°C)** can feel brisk, the maximum temperature averages around a moderate 14°C, drawing a stark contrast to the milder, drier days of autumn. This substantial shift in weather patterns makes December a unique time to experience Vannes, offering a cozy ambiance perfect for enjoying its festive charm. For more insights into Vannes' climate throughout the year, visit Vannes Climate.