Monthly climate guide
Arcachon weather in October
Expect mild weather in Arcachon in October: afternoons reach about 19°C (67°F), while nights drop to around 14°C (57°F). Around 76 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 4°C cooler than September and 4°C warmer than November.
What stands out in October
- Arcachon is usually about 2°C cooler than Pau, 160 km away, in October.
- Days and nights are close, only about 5°C apart.
- Temperatures are falling — expect highs around 4°C lower by November.
- October brings mid-autumn to Arcachon.
Avg high
19°C
67°F
Avg low
14°C
57°F
Rainfall
76 mm
some rain
Humidity
78%
relative
Sky
64%
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 October
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is October 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 October
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Arcachon weather in October. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/france/arcachon/october
<a href="https://weathercompare.eu/weather/france/arcachon/october">Arcachon weather in October</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 October"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/france/arcachon/october">Arcachon weather in October</a> – WeatherCompare</p>
Arcachon in October: quick answers
Is October a good time to visit Arcachon?
October is a reasonable time for Arcachon: highs around 19°C and about 76 mm of rain, though not one of the three best months.
How warm is Arcachon in October?
Average highs are about 19°C (67°F) and average lows about 14°C (57°F), based on 10 years of daily data.
Does it rain a lot in Arcachon in October?
Arcachon typically gets around 76 mm of rain in October — some rain.
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.