December Weather in Arcachon, France

Last updated: February 26, 2025

In Arcachon, France, December ushers in a cool and damp climate, with maximum temperatures reaching 16°C (61°F) and an average of 10°C (51°F). The month is marked by a notable minimum temperature of 3°C (37°F), setting the stage for a chilly atmosphere. With precipitation totaling 151 mm (5.9 in) across approximately 18 days, visitors can expect frequent rain, creating a lush and vibrant landscape. The air is laden with 85% humidity, adding to the crisp winter feel. Whether strolling along the scenic coastline or exploring the charming town, December in Arcachon offers a unique blend of brisk weather and stunning natural beauty.

December Temperature in Arcachon

In Arcachon, France, December marks the transition into winter, with temperatures reflecting the cooler climate of the season. The average temperature hovers around 10°C (51°F), providing a crisp but manageable environment for visitors. While nighttime lows dip to a chilly 3°C (37°F), daytime highs can reach a mild 16°C (61°F), showcasing the typical variation seen in late autumn. This month, temperatures begin to solidify into the colder trends observed in January and February, yet still retain a touch of warmth, inviting those eager to explore the region's winter charm. As the year draws to a close, December in Arcachon offers a unique blend of cool breezes and gentle sunshine, perfect for leisurely seaside strolls or cozying up in local bistros.

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

The chart illustrates December temperature patterns in Arcachon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec475052566167717067615351
Data source: Temperature data for Arcachon 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 Arcachon

December in Arcachon, France, marks a distinct shift in the weather, bringing a notable spike in precipitation. With 151 mm (5.9 in) of rain spread over 18 days, it paints a picture of a wet and chilly conclusion to the year. This is significantly higher than the preceding months, especially when compared to November's 108 mm (4.2 in) over 13 days. The trend showcases December as the wettest month of the year, leading the way in both total precipitation and the number of rainy days. This increase sets the stage for a cozy, albeit damp, winter ambiance, as the town wraps up the year with frequent showers that nourish its picturesque landscapes.

December Precipitation Trends in Arcachon

The chart displays monthly precipitation patterns in Arcachon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec736971521019644445886108151
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Arcachon

December in Arcachon, France, sees a return to relatively high humidity, mirroring January's levels at 85%. As the year unfolds, a noticeable trend emerges: humidity tends to be at its peak during the winter months, with January and December showcasing the highest readings. As spring approaches, the humidity begins to stabilize around 82% from March to May before dipping to its annual low of 73% in August. This fluctuation hints at a comfortable coastal climate, where the cooler months usher in a moist atmosphere, setting the stage for the refreshing sea breezes that characterize this charming locale.

December Average Humidity in Arcachon

This chart illustrates the average monthly humidity levels in Arcachon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%82%82%80%76%73%76%82%83%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arcachon

In Arcachon, France, the UV Index experiences a notable seasonal shift throughout the year, peaking in the summer months. As winter settles in, December sees a return to a low UV Index of 2, with a longer burn time of 45 minutes, making it a safe time for outdoor activities without the urgency for sun protection. This follows the trend from the previous months, which exhibited a gradual increase in UV exposure from a moderate 3 in November to higher levels throughout late spring and summer, reaching a maximum of 10 in June. As the year unfolds, sun seekers should remain mindful of these changes: while summer demands more vigilance, December provides a leisurely reprieve. For more insights on UV levels throughout the year, check out Arcachon UV Index.

Maximum UV Index Levels in Arcachon for December

The chart shows the monthly maximum UV Index (UVI) for Arcachon 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.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Arcachon 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 Arcachon

In Arcachon, France, December marks a transition into the cooler months, offering a gentle 204 hours of sunshine. While this is a decline from the dazzling heights of summer, it remains a pleasant respite in winter. The trend throughout the year shows a gradual increase in sunshine hours from January's modest 177 hours to the peak of July with 429 hours. As autumn approaches, the days shorten, but even in December, the sun's presence is a comforting reminder of the vibrant summer that just passed. Thus, Arcachon's picturesque coastal charm continues to shine brightly, making it a delightful winter escape despite the seasonal shift.

Monthly Sunshine Duration in Arcachon: December Highlighted

The December sunshine duration represents the total number of hours Arcachon 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.
JanFebMarAprMayJunJulAugSepOctNovDec177h240h312h355h400h416h429h402h346h300h246h204h
Data source: Arcachon December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arcachon During December

In Arcachon, France, the likelihood of sunny weather in December hovers around 37%, placing it in the lower half of the annual sunshine spectrum. As the year progresses from the depths of winter in January, which sees just a 24% chance of sun, December offers a slight improvement but remains relatively dim compared to the sunnier months of late spring and summer. Notably, the sunshine potential peaks in August at 58%, showcasing a clear trend of increasing solar exposure as we transition from winter to fall. Overall, while December may bring a touch of brightness with its modest odds, it’s still a month when cloud cover is more common than not, suggesting that those seeking sun should look towards the summer months for a more favorable experience.

Percentage of Sunny Days in December in Arcachon

The chart illustrates the percentage of sunny days in Arcachon 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 Arcachon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%28%55%51%38%46%47%58%44%50%33%37%
Data source: Arcachon December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arcachon in December

In Arcachon, France, December marks a noticeable decrease in daylight, with only 8 hours of sunshine compared to the longer days of the summer months. Following the peak of 15 hours in June and July, daylight hours gradually decline, dipping to 14 in May and 13 in both August and September. As the days get shorter, the transition into winter brings a cozy charm to the region, although the sun begins to shy away by October, offering just 10 hours of light. This pattern continues into November and December, where daylight dwindles to its lowest point, highlighting a seasonal rhythm that many locals and visitors come to appreciate as part of the region's unique atmosphere.

Average Daylight Hours in Arcachon for December

The chart illustrates the variation in daylight duration in Arcachon throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 14m10h 26m11h 56m13h 30m14h 49m15h 29m15h 8m13h 57m12h 28m10h 55m9h 34m8h 51m
Data source: Arcachon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Arcachon

As December settles in Arcachon, France, the coastal winds start to pick up a gentle vigor, averaging 5.2 m/s (12 mph). This marks a refreshing increase from the calmer summer months, where wind speeds hovered around 3.4 m/s to 4.0 m/s. The transition into winter brings a notable shift in the air, with December almost matching January's winds, suggesting a seasonal surge that invigorates the seaside ambiance. In fact, through the year, we observe a gradual decline in wind strength during the warmer months, with speeds reaching their lowest in June and September. However, as the year closes, the breeze whispers tales of winter's embrace, reminding us of the dynamic patterns of weather that shape Arcachon's enchanting charm. Since summer's end, the winds have begun to reclaim their presence, setting the stage for the crisp yet invigorating days of winter ahead.

Average December Wind Speed in Arcachon

The chart displays monthly wind speed patterns in Arcachon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.84.14.14.43.43.74.03.33.94.25.2 m/s
Data source: Arcachon December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Arcachon Compares to Other Months

The weather in Arcachon 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 Arcachon and find detailed weather information for every month.

In December, temperatures in Arcachon range from a minimum of 3°C (37°F) to a maximum of 16°C (61°F), with an average of 10°C (51°F). The month is characterized by significant precipitation, totaling 151 mm (5.9 in) over 18 days, resulting in a humid atmosphere with humidity levels at 85%. In contrast, January sees a drop in minimum temperatures to -1°C (31°F), while the maximum remains the same at 16°C (61°F) and the average cools to 8°C (47°F). Precipitation decreases significantly to 73 mm (2.9 in) over just 11 days, but the humidity remains constant at 85%. For a deeper look into January's weather in Arcachon, check out Arcachon weather in January.

December and February present distinct weather patterns, showcasing the transition from late autumn to early spring. In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 16°C (61°F), with an average of 10°C (51°F). The month experiences significant precipitation, totaling 151 mm (5.9 in) over 18 days, accompanied by high humidity levels at 85%. In contrast, February's temperatures dip slightly lower, reaching a minimum of -3°C (27°F) but still averaging 10°C (50°F) and peaking at 18°C (65°F). This month sees a marked decrease in precipitation, totaling 69 mm (2.7 in) over just 11 days, with humidity remaining relatively stable at 83%. For more detailed information, check out Arcachon weather in February.

December weather in Arcachon is characterized by mild temperatures, with a minimum of 3°C (37°F) and an average of 10°C (51°F), while highs can reach up to 16°C (61°F). The month experiences considerable precipitation, totaling 151 mm (5.9 in) over 18 rainy days, and a high humidity level of 85%. In contrast, March showcases a more dynamic climate with temperatures dropping as low as -2°C (29°F) at night but averaging a pleasant 11°C (52°F) and peaking at 24°C (75°F) during the day. Although March is generally drier, with only 71 mm (2.8 in) of rainfall over 13 days, it still retains a relatively high humidity of 82%. For a detailed look at the weather specifics, check Arcachon weather in March.

December and April present distinctly different weather patterns. In December, temperatures range from a chilly 3°C (37°F) at night to a mild 16°C (61°F) during the day, with an average temperature of 10°C (51°F). This month also experiences considerable precipitation, totaling 151 mm (5.9 in) over 18 days, contributing to a high humidity level of 85%.

In contrast, April sees a more temperate climate, with minimum temperatures still around 3°C (38°F) but peaking at a much warmer 25°C (77°F) for an average of 13°C (56°F). Rainfall is significantly reduced to 52 mm (2.0 in), occurring on just 8 days, and humidity decreases slightly to 82%. These changes create a fresher and drier atmosphere in April, making it a delightful transition toward warmer weather. For a closer look at the conditions during this month, check out Arcachon weather in April.

December and May present distinctly different weather experiences. In December, temperatures are cooler, ranging from a minimum of 3°C (37°F) to a maximum of 16°C (61°F), with an average of 10°C (51°F). The month also sees significant precipitation, totaling 151 mm (5.9 in) over 18 days, and high humidity at 85%. In contrast, May offers a more pleasant climate with temperatures between 7°C (45°F) and 27°C (81°F), averaging 16°C (61°F). It is drier, with 101 mm (4.0 in) of rainfall spread over 13 days and slightly lower humidity at 82%. For more detailed information on May weather, you can check out Arcachon weather in May.

December and June present a stark contrast in weather conditions. In December, temperatures range from a chilly 3°C (37°F) to a mild 16°C (61°F), with an average of 10°C (51°F). The month experiences significant rainfall, totaling 151 mm (5.9 in) over 18 days, coupled with high humidity at 85%. In contrast, June offers a much warmer climate with temperatures ranging from 12°C (54°F) to a peak of 33°C (92°F), averaging around 19°C (67°F). Rainfall is less frequent in June, totaling 96 mm (3.8 in) over 12 days and humidity is slightly lower at 80%. For those interested in understanding the delightful weather patterns of June, you can explore further at Arcachon weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly 3°C (37°F) at their lowest to a mild 16°C (61°F) at their highest, with an average of 10°C (51°F). This month is also marked by significant precipitation, averaging 151 mm (5.9 in) over 18 days, and high humidity at 85%. In contrast, July boasts much warmer temperatures, with a minimum of 15°C (60°F), an average of 21°C (71°F), and a maximum of 33°C (92°F). The summer month experiences far less rainfall, totaling only 44 mm (1.7 in) over just 8 days, accompanied by lower humidity levels at 76%. For more details, visit Arcachon weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a chilly 3°C (37°F) to a mild 16°C (61°F), with an average of 10°C (51°F). The month is characterized by significant precipitation, totaling 151 mm (5.9 in) over 18 days, along with high humidity at 85%. In contrast, August enjoys warmer and more stable conditions, with temperatures ranging from 15°C (59°F) to a maximum of 31°C (87°F), averaging 21°C (71°F). Precipitation in August is notably lower, at 44 mm (1.7 in) spread over just 7 days, and the humidity is also more comfortable at 73%. For further details on August weather, check out Arcachon weather in August.

In comparing the weather between December and September, a distinct shift in temperature and precipitation is evident. December tends to be much cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 16°C (61°F), while September enjoys much milder conditions, with averages between 11°C (53°F) and 29°C (85°F). Additionally, December experiences significantly higher rainfall, accumulating 151 mm (5.9 in) over 18 days, compared to September's 58 mm (2.3 in) across just 9 days. Humidity levels also rise in December at 85%, compared to September's more comfortable 76%. For more detailed insights, you can check Arcachon weather in September.

In comparing the weather of December to October, it is evident that December is significantly cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 16°C (61°F), compared to October's milder range of 6°C (44°F) to 24°C (76°F). October also boasts less precipitation, averaging 86 mm (3.4 in) over 11 days, in contrast to December's 151 mm (5.9 in) spread across 18 days. Additionally, while December holds a higher humidity level at 85%, October's humidity is slightly lower at 81%. For more detailed information about October weather, visit Arcachon weather in October.

In December, temperatures experience a slight drop, with minimums of 3°C (37°F) and maximums of 16°C (61°F), compared to November’s minimum of 4°C (39°F) and maximum of 20°C (68°F). The average temperature in December is around 10°C (51°F), while November boasts a warmer average of 12°C (54°F). Additionally, December sees increased precipitation, measuring 151 mm (5.9 in) over 18 days, in contrast to November’s 108 mm (4.2 in) over just 13 days. Humidity is also slightly higher in December at 85% compared to November’s 83%. For a more detailed look at the weather trends, check out Arcachon weather in November.

Compare Arcachon's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Arcachon

As December sets in, Arcachon experiences a notable shift in weather, characterized by cooler temperatures and increased moisture compared to other months. With an average temperature hovering around 10°C (51°F), it's a time when the Atlantic breezes bring crisp, refreshing air. Rainfall becomes more frequent, leading to 18 days of precipitation and creating a unique charm as the town prepares for the holiday season. The high humidity, averaging around 85%, adds a touch of coziness to the already inviting atmosphere. This transitional month offers a different experience, perfect for enjoying the quieter beauty of Arcachon and perhaps indulging in a warm beverage while taking in the stunning coastal views. For a deeper insight into the city's climate patterns, explore our comprehensive page on Arcachon Climate.