January Weather in Arcachon, France

Last updated: February 26, 2025

In January, Arcachon, France experiences a cool coastal climate characterized by an average temperature of 8°C (47°F), with maximums reaching up to 16°C (61°F) and occasional dips to a brisk -1°C (31°F). The month sees about 73 mm (2.9 in) of rainfall spread over 11 days, contributing to a relatively high humidity level of 85%. Despite the overcast skies and increased precipitation, January offers a unique charm to visitors willing to explore the serene beauty of this coastal town.

January Temperature in Arcachon

In Arcachon, France, January brings a crisp chill, with temperatures ranging from a brisk -1°C (31°F) at night to a mild 16°C (61°F) during the day. The average temperature settles around 8°C (47°F), indicating that the month is characterized by cool, refreshing air that invites outdoor exploration. As winter wanes, the temperature begins to trend upward, with January acting as a prelude to the warmer days of February and March, where the minimums start to dip into the negatives but average temperatures gradually rise. This pattern sets the stage for a gradual warming trend throughout the spring, reflecting the transition from cold winter days to the inviting warmth of early summer.

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

The chart illustrates January 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.

January Precipitation in Arcachon

In January, Arcachon experiences an average precipitation of 73 mm (2.9 in) spread over 11 days, marking the start of the year with a refreshing embrace of winter rains. This month sets the stage for a generally wet season, as the precipitation trends upward toward November—the rainiest month with 108 mm (4.2 in) and 13 days of rainfall. As winter progresses into spring, we see a slight decrease in both rainfall and rainy days, particularly in April, which drops significantly to 52 mm (2.0 in) over just 8 days. However, the onset of late spring and early summer brings a resurgence in precipitation, peaking in May with 101 mm (4.0 in), before tapering off into the dryer summer months of July and August. Overall, January signals the beginning of a dynamic precipitation pattern that fluctuates throughout the year, balancing between wet and dry spells, ultimately shaping the region's climate and ecology.

January Precipitation Trends in Arcachon

The chart displays monthly precipitation patterns in Arcachon, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec736971521019644445886108151
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Arcachon

In January, Arcachon experiences a significant humidity level of 85%, setting a tone of moisture for the beginning of the year. As winter transitions into spring, humidity remains relatively high, peaking in February at 83% before gradually tapering off to 82% in both March and April. The arrival of summer sees a notable decline, with humidity dropping to 76% in July and reaching its annual low of 73% in August. This decrease is accompanied by warmer temperatures, contributing to the area's vibrant summer atmosphere. By the time autumn rolls around, humidity begins to rise again, reaching 81% in October and settling back to 83% by November, before returning to the winter highs of 85% in December. Overall, Arcachon’s humidity showcases a clear seasonal trend: high in winter, moderate in spring, lowest in summer, and climbing again during fall.

January Average Humidity in Arcachon

This chart illustrates the average monthly humidity levels in Arcachon, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%82%82%80%76%73%76%82%83%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arcachon

In January, Arcachon enjoys a low UV Index of 2, allowing you to soak in some winter sun without much risk, as it takes about 45 minutes for unprotected skin to burn. As the months progress, UV levels begin to rise significantly, with February seeing a moderate Index of 3 and a decreasing burn time of 30 minutes. By March, the sun's strength escalates to 6, marking the start of high exposure, and this trend continues into the summer months, peaking in June and July with an Index of 10 and 9, respectively, where just 15 minutes of sun can lead to burns. As autumn approaches, UV levels gradually decline, returning to a moderate 3 by November and falling back to a low 2 in December, once again granting more leeway for safe sunbathing. To explore detailed UV Index trends for the year, check out the full guide here: Arcachon UV Index.

Maximum UV Index Levels in Arcachon for January

The chart shows the monthly maximum UV Index (UVI) for Arcachon in January, 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 January 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.

January Sunshine in Arcachon

In Arcachon, France, January greets visitors with a modest 177 hours of sunshine, setting the tone for a gradual increase as the year unfolds. As February arrives, the days lengthen slightly to 240 hours, hinting at the warmth to come. By March, the sun shines for 312 hours, encouraging outdoor pursuits as spring approaches. The trend of increasing sunlight continues, peaking in the summer months with June and July basking in 416 and 429 hours respectively. However, as August rolls in, a gentle decline begins, with sunshine hours dropping to 402. The descent persists into autumn, culminating in December's 204 hours. This oscillation between abundance and retreat illustrates a captivating dance of light throughout the year, inviting locals and travelers alike to relish the sun-kissed charm of Arcachon's unique climate.

Monthly Sunshine Duration in Arcachon: January Highlighted

The January sunshine duration represents the total number of hours Arcachon experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec177h240h312h355h400h416h429h402h346h300h246h204h
Data source: Arcachon January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arcachon During January

In Arcachon, France, the likelihood of sunny weather in January is relatively low at just 24%, making it one of the cloudier months of the year. As the seasons shift into spring, the chances of sunshine rise significantly, peaking at 58% in August. Notably, March and April experience an upbeat surge in sun exposure, with probabilities climbing to 55% and 51% respectively. This trend of increasing sunny days continues through the summer months, illustrating a clear seasonal pattern where January's overcast skies give way to brighter, more inviting weather. Whether you're planning a winter getaway or looking ahead to the vibrant summer months, understanding these trends can help you make the most of your time in this picturesque coastal town.

Percentage of Sunny Days in January in Arcachon

The chart illustrates the percentage of sunny days in Arcachon throughout the year, with January 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 January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arcachon in January

In Arcachon, France, January marks the beginning of a gradual transition towards longer days, offering about 9 hours of daylight. This trend continues into February, where an increase to 10 hours beckons the promise of spring. As the months progress into March and April, daylight stretches to 11 and 13 hours, respectively, immersing the region in more sunlight and vibrancy. This delightful ascent peaks in June and July, boasting 15 hours of daylight, perfect for enjoying the picturesque beaches and lush landscapes. However, as summer wanes, there’s a gentle decline; August still offers 13 hours, but this dwindles back to 10 hours by October and further narrows down to 8 hours in December. Overall, the pattern reflects a captivating ebb and flow of daylight that not only defines the seasons but also sets the rhythm of life in this charming coastal locale.

Average Daylight Hours in Arcachon for January

The chart illustrates the variation in daylight duration in Arcachon throughout the year, with January 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.

January Winds in Arcachon

In January, Arcachon, France, greets the new year with a brisk average wind speed of 5.3 m/s (12 mph), making it one of the windiest months of the year. As the seasons transition into February, the winds begin to mellow slightly, dropping to 4.8 m/s (11 mph), and this trend continues through the spring months, as both March and April experience similar gentle breezes of 4.1 m/s (9 mph). By May, the wind speeds pick up a notch to 4.4 m/s (10 mph), hinting at the warm summer days ahead. However, as summer rolls in, particularly during June and July, a noticeable drop can be observed, with wind speeds tapering to their lowest at 3.4 m/s (8 mph). This tranquility continues into September, where the winds ease further to 3.3 m/s (7 mph). As temperatures cool down in the fall and winter months, wind speeds start to rise again, peaking in December at 5.2 m/s (12 mph). Overall, the pattern reveals a dynamic interplay of seasonal shifts, showcasing January's brisk beginnings and the gentle, calming breezes of summer.

Average January Wind Speed in Arcachon

The chart displays monthly wind speed patterns in Arcachon, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.3 m/s4.84.14.14.43.43.74.03.33.94.25.2
Data source: Arcachon January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January'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.

January and February present a subtle transition in weather conditions. In January, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 16°C (61°F), with an average of 8°C (47°F). The month sees about 73 mm (2.9 in) of precipitation over 11 days, accompanied by high humidity at 85%. In contrast, February experiences slightly cooler minimum temperatures, dropping to -3°C (27°F), but provides a marginally warmer average of 10°C (50°F) and a maximum of 18°C (65°F). Precipitation decreases slightly to 69 mm (2.7 in) across the same number of rainy days, with humidity slightly lower at 83%. This makes February a bit more favorable for outdoor activities compared to January. For more information, check out Arcachon weather in February.

In January, the weather is relatively cool, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F) and an average temperature of 8°C (47°F). The month experiences about 73 mm (2.9 in) of precipitation over 11 days, contributing to an average humidity level of 85%. In contrast, March sees slightly colder minimum temperatures at -2°C (29°F), but daytime averages rise to 11°C (52°F) and can peak at a warm 24°C (75°F). With 71 mm (2.8 in) of precipitation over 13 days and a lower humidity of 82%, March feels both milder and drier overall. For more details about the weather in March, visit Arcachon weather in March.

January typically experiences cooler weather, with minimum temperatures around -1°C (31°F) and averaging 8°C (47°F), while April sees a rise in temperatures, with minimums of 3°C (38°F) and average highs reaching up to 25°C (77°F). Precipitation is more frequent in January, with 73 mm (2.9 in) over 11 days, compared to April's 52 mm (2.0 in) over 8 days. Additionally, January has a higher humidity level of 85%, while April maintains a slightly lower humidity at 82%. For more details, you can check Arcachon weather in April.

In January, the weather is considerably cooler, with temperatures ranging from a chilly -1°C (31°F) at night to a maximum of 16°C (61°F) during the day, accompanied by high humidity at 85%. The month sees an average of 73 mm (2.9 in) of precipitation over 11 days, creating a rather damp atmosphere. In contrast, May brings significantly warmer conditions, with minimum temperatures rising to 7°C (45°F) and maximums reaching up to 27°C (81°F). While May experiences slightly more rainfall at 101 mm (4.0 in) over 13 days, the humidity remains relatively low at 82%. For a detailed look at the weather trends in May, check out Arcachon weather in May.

January and June present strikingly different weather conditions. In January, temperatures range from a chilly -1°C (31°F) at night to a mild 16°C (61°F) during the day, with an average of 8°C (47°F). The month experiences relatively high humidity at 85% and receives about 73 mm (2.9 in) of precipitation over 11 days. In contrast, June brings significantly warmer temperatures, with nighttime lows of 12°C (54°F) and daytime highs reaching up to 33°C (92°F), averaging around 19°C (67°F). Although June has slightly higher precipitation at 96 mm (3.8 in) spread over 12 days, the humidity drops to 80%, contributing to a more comfortable atmosphere. For more detailed insights, check out Arcachon weather in June.

When comparing the weather in January to that in July, significant differences emerge. January experiences cooler temperatures, with an average of 8°C (47°F), and can dip as low as -1°C (31°F). In contrast, July boasts much warmer conditions, averaging 21°C (71°F) and reaching highs of 33°C (92°F). Precipitation levels also vary, with January receiving 73 mm (2.9 in) over 11 days, compared to July's 44 mm (1.7 in) spread over just 8 days. Additionally, January's humidity is higher at 85%, while July maintains a slightly lower humidity level of 76%. For more details on July's weather specifics, visit Arcachon weather in July.

January and August present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -1°C (31°F) to a mild maximum of 16°C (61°F), with an average of 8°C (47°F). The month experiences relatively high precipitation, totaling 73 mm (2.9 in) over 11 days and maintaining a humidity level of 85%. In contrast, August brings warmer temperatures, with a minimum of 15°C (59°F), an average of 21°C (71°F), and a maximum of 31°C (87°F). Precipitation is lower in August, with just 44 mm (1.7 in) over 7 days, and humidity drops to a comfortable 73%. For more detailed insights into the August climate, check out Arcachon weather in August.

In comparing the weather between January and September, notable differences emerge. January's temperatures range from a chilly minimum of -1°C (31°F) to a mild maximum of 16°C (61°F), averaging around 8°C (47°F). In contrast, September enjoys significantly warmer conditions, with minimum temperatures starting at 11°C (53°F) and peaking at 29°C (85°F), averaging about 19°C (67°F). Precipitation is also somewhat lower in September, with 58 mm (2.3 in) spread over 9 days, compared to January's 73 mm (2.9 in) over 11 days. Additionally, the humidity is higher in January at 85%, while September offers a more comfortable 76%. For more specifics on September's climate in Arcachon, you can visit Arcachon weather in September.

In January, the weather is considerably cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F) and an average of 8°C (47°F). The month experiences significant precipitation of 73 mm (2.9 in) over 11 days, coupled with high humidity levels at 85%. In contrast, October brings milder weather, with temperatures starting at a minimum of 6°C (44°F) and peaking at 24°C (76°F), averaging around 16°C (61°F). Rainfall slightly increases to 86 mm (3.4 in) over the same number of days, but humidity drops to 81%, making October feel more comfortable and pleasant. For more details on the October climate, you can visit Arcachon weather in October.

The weather in January is generally colder than in November, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F). In contrast, November experiences milder temperatures, with averages ranging from 4°C (39°F) to 20°C (68°F). Additionally, November sees more precipitation than January, with 108 mm (4.2 in) over 13 days compared to January's 73 mm (2.9 in) over 11 days. Humidity levels are also slightly lower in November at 83%, compared to 85% in January. For more details on November weather, you can visit Arcachon weather in November.

January weather tends to be slightly cooler than December, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (61°F), compared to December's minimum of 3°C (37°F) and the same maximum. While both months share a maximum temperature of 16°C, January sees a notable drop in average temperatures and experiences less precipitation at 73 mm (2.9 in) over 11 days, compared to December’s higher rainfall of 151 mm (5.9 in) over 18 days. Both months maintain the same humidity level of 85%, creating a consistently damp atmosphere during the winter. For more detailed insights, you can check out the Arcachon weather in December.

Compare Arcachon's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Arcachon

As January unfolds in Arcachon, the weather is noticeably cooler and wetter compared to the milder months that precede and follow it. With average temperatures hovering around 8°C (47°F) and the occasional dip to -1°C (31°F), visitors can expect a brisk atmosphere enhanced by 85% humidity. Rainfall is also more common, with around 73 mm (2.9 in) spread across 11 days, bringing a unique charm to the coastal town. This wintery ambiance starkly contrasts with the sunnier and warmer vibes of other seasons, making January a time when nature reveals its quieter, yet captivating side. For a comprehensive overview of the region's climate, explore Arcachon Climate.