EuroVelo 6 - Atlantic-Black Sea - part France, stage 4: Amboise → Orléans
On stage 4 (Amboise → Orléans, 104 km) the best month is September: 79% of days were dry with highs of 10–30 °C; the wind barely favours either direction (1.3 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 | 19% | 21% | 60 | 7 °C | 0% | 70% | 8.8 † |
| February | 37% | 21% | 50 | 9 °C | 0% | 52% | 10.2 † |
| March | 57% | 26% | 59 | 13 °C | 0% | 24% | 11.8 |
| April | 75% | 23% | 48 | 17 °C | 0% | 4% | 13.6 |
| May | 72% | 27% | 72 | 20 °C | 1% | 1% | 15.1 |
| June | 69% | 21% | 57 | 24 °C | 10% | 0% | 16.0 |
| July | 66% | 17% | 45 | 26 °C | 19% | 0% | 15.6 |
| August | 67% | 15% | 43 | 26 °C | 18% | 0% | 14.3 |
| September | 79% | 15% | 47 | 22 °C | 7% | 0% | 12.5 |
| October | 75% | 24% | 75 | 17 °C | 0% | 2% | 10.7 † |
| November | 51% | 24% | 64 | 12 °C | 0% | 31% | 9.2 † |
| December | 26% | 22% | 67 | 8 °C | 0% | 62% | 8.4 † |
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 Amboise → Orléans, km/h | Headwind > 15 km/h, Amboise → Orléans | Headwind > 15 km/h, Orléans → Amboise | Better way |
|---|---|---|---|---|
| January | +5.2 | 6% | 26% | Amboise → Orléans |
| February | +4.1 | 9% | 23% | Amboise → Orléans |
| March | +2.2 | 11% | 21% | Amboise → Orléans |
| April | −0.4 | 12% | 13% | either |
| May | +1.1 | 10% | 16% | either |
| June | +1.5 | 8% | 14% | either |
| July | +4.4 | 5% | 19% | Amboise → Orléans |
| August | +4.2 | 3% | 15% | Amboise → Orléans |
| September | +1.3 | 8% | 14% | either |
| October | +2.6 | 7% | 17% | Amboise → Orléans |
| November | +5.1 | 4% | 24% | Amboise → Orléans |
| December | +6.0 | 6% | 26% | Amboise → Orléans |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 338–363 | NE | +1.6 |
| 363–388 | NE | +0.9 |
| 388–413 | NE | +1.2 |
| 413–439 | NE | +1.4 |
| 439–442 | E | +1.9 |
Other stages
- Saint-Brevin-les-Pins → Saint-Florent-le-Vieil 118 km
- Saint-Florent-le-Vieil → Saumur 109 km
- Saumur → Amboise 112 km
- Amboise → Orléans 104 km
- Orléans → Cosne-Cours-sur-Loire 122 km
- Cosne-Cours-sur-Loire → Decize 114 km
- Decize → Montceau-les-Mines 130 km
- Montceau-les-Mines → Seurre 112 km
- Seurre → Besançon 102 km
- Besançon → Basel 185 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.