EuroVelo 1 - Atlantic Coast Route - part France, stage 9: Andernos-les-Bains → Mimizan
On stage 9 (Andernos-les-Bains → Mimizan, 117 km) the best month is October: 78% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.0 km/h on average; ERA5 2006–2025, 9:00–18:00).
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Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 41% | 27% | 91 | 11 °C | 0% | 38% | 9.2 † |
| February | 55% | 25% | 69 | 12 °C | 0% | 25% | 10.4 † |
| March | 68% | 26% | 70 | 14 °C | 0% | 9% | 11.8 |
| April | 76% | 23% | 60 | 17 °C | 0% | 1% | 13.4 |
| May | 77% | 22% | 74 | 20 °C | 1% | 0% | 14.8 |
| June | 73% | 20% | 78 | 23 °C | 7% | 0% | 15.5 |
| July | 77% | 11% | 38 | 25 °C | 13% | 0% | 15.2 |
| August | 75% | 12% | 48 | 26 °C | 13% | 0% | 14.0 |
| September | 77% | 18% | 58 | 24 °C | 6% | 0% | 12.4 |
| October | 78% | 21% | 75 | 20 °C | 1% | 0% | 10.9 † |
| November | 64% | 30% | 104 | 15 °C | 0% | 8% | 9.5 † |
| December | 49% | 28% | 93 | 12 °C | 0% | 26% | 8.8 † |
Best months are all months within 3 percentage points of the best one. † less than 11 hours of daylight — long stages get tight.
Wind by month
| Month | Wind Andernos-les-Bains → Mimizan, km/h | Headwind > 15 km/h, Andernos-les-Bains → Mimizan | Headwind > 15 km/h, Mimizan → Andernos-les-Bains | Better way |
|---|---|---|---|---|
| January | −0.6 | 10% | 6% | either |
| February | +0.2 | 9% | 8% | either |
| March | +1.1 | 8% | 8% | either |
| April | +2.3 | 5% | 7% | Andernos-les-Bains → Mimizan |
| May | +3.0 | 4% | 8% | Andernos-les-Bains → Mimizan |
| June | +3.2 | 3% | 6% | Andernos-les-Bains → Mimizan |
| July | +4.1 | 2% | 7% | Andernos-les-Bains → Mimizan |
| August | +4.0 | 2% | 7% | Andernos-les-Bains → Mimizan |
| September | +2.6 | 4% | 5% | Andernos-les-Bains → Mimizan |
| October | 0.0 | 8% | 4% | either |
| November | −0.7 | 10% | 6% | either |
| December | −1.7 | 11% | 5% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in October, km/h |
|---|---|---|
| 996–1,021 | SE | +0.9 |
| 1,021–1,046 | SW | −2.0 |
| 1,046–1,071 | S | +1.2 |
| 1,071–1,097 | S | +0.1 |
| 1,097–1,112 | SW | −0.7 |
Other stages
- Roscoff → Rostrenen 111 km
- Rostrenen → Malestroit 125 km
- Malestroit → Nantes 139 km
- Nantes → Pornic 108 km
- Pornic → Olonne-sur-Mer 124 km
- Olonne-sur-Mer → La Rochelle 125 km
- La Rochelle → Royan 135 km
- Royan → Andernos-les-Bains 133 km
- Andernos-les-Bains → Mimizan 117 km
- Mimizan → Irun 163 km
How to read the numbers
Wind is the 10 m wind of a 25-km grid cell, daytime hours 9:00–18:00 local solar time; at saddle height in a sheltered valley it is weaker, on a coast or ridge stronger. A positive value is a tailwind. ERA5 slightly over-counts days with ≥ 1 mm of rain (by about 5–7 percentage points) and underestimates daily highs by 1–2 °C. Good day = less than 1 mm of rain between 9:00 and 18:00 (riding hours, local solar time) and a high between 10 and 30 °C; rain at night or in the evening does not spoil it.