Monthly climate guide
Arcachon weather in January
Expect cool weather in Arcachon in January: afternoons reach about 11°C (52°F), while nights drop to around 7°C (45°F). Around 120 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are 2°C cooler than December and about the same as February.
What stands out in January
- Just 200 km apart, but Arcachon runs about 5°C warmer than Lourdes this month.
- Rain is above Arcachon's usual level, by about 50%.
- There's little difference between day and night (around 4°C).
- January brings mid-winter to Arcachon.
January is typically Arcachon's coolest month.
Avg high
11°C
52°F
Avg low
7°C
45°F
Rainfall
120 mm
wet
Humidity
84%
relative
Sky
80%
cloud · often cloudy
Arcachon weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 11°C / 52°F | 7°C / 45°F | 120 mm | 84% | 80% |
| February | 11°C / 52°F | 6°C / 44°F | 88 mm | 82% | 71% |
| March | 14°C / 56°F | 8°C / 46°F | 76 mm | 80% | 67% |
| April | 16°C / 61°F | 10°C / 50°F | 75 mm | 78% | 63% |
| May | 18°C / 65°F | 13°C / 55°F | 79 mm | 78% | 64% |
| June | 22°C / 71°F | 16°C / 61°F | 74 mm | 77% | 62% |
| July | 24°C / 75°F | 18°C / 65°F | 42 mm | 75% | 53% |
| August | 25°C / 76°F | 18°C / 65°F | 40 mm | 74% | 54% |
| September | 23°C / 73°F | 17°C / 62°F | 50 mm | 73% | 55% |
| October | 19°C / 67°F | 14°C / 57°F | 76 mm | 78% | 64% |
| November | 15°C / 59°F | 11°C / 51°F | 121 mm | 82% | 74% |
| December | 13°C / 55°F | 9°C / 47°F | 116 mm | 84% | 76% |
What to pack for January
- A proper insulated winter coat
- A hat, scarf and gloves
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is January a good time to visit Arcachon?
Compare the months in the chart above to find your ideal window.
Best time to visit Arcachon →Other France cities in January
Cite or embed this data
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Arcachon weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/france/arcachon/january
<a href="https://weathercompare.eu/weather/france/arcachon/january">Arcachon weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/france/arcachon" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Arcachon weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/france/arcachon/january">Arcachon weather in January</a> – WeatherCompare</p>
Arcachon in January: quick answers
Is January a good time to visit Arcachon?
January is cool in Arcachon, with highs around 11°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Arcachon in January?
Average highs are about 11°C (52°F) and average lows about 7°C (45°F), based on 10 years of daily data.
Does it rain a lot in Arcachon in January?
Arcachon typically gets around 120 mm of rain in January — wet.
Figures are long-term averages for the area around Arcachon (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.