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Best Time for Dordogne Caves & Bastides: Périgueux Loop
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Sweet spot: February, March, April. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- The full heritage loop is supported in these months, but timed Lascaux IV admission, dated museum and castle access, summer heat, roads and parking still need confirmation.
- This baseline is withheld because shorter and split opening calendars, winter closures and less reliable outdoor river-valley conditions can remove defining days. Choose May–September or research a separate dated shoulder-season plan.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 0.6°C | 7.7°C | 73 mm | 8.9 h | ❄ |
| February | 0.1°C | 9.2°C | 50 mm | 10.1 h | ❄ |
| March | 2.9°C | 13.2°C | 67 mm | 11.6 h | |
| April | 5.9°C | 16.8°C | 74 mm | 13.3 h | |
| May | 9.4°C | 20.4°C | 81 mm | 14.6 h | |
| June | 13.4°C | 24.9°C | 66 mm | 15.4 h | |
| July | 15.2°C | 27.7°C | 52 mm | 15.1 h | |
| August | 15.0°C | 27.9°C | 55 mm | 13.9 h | |
| September | 11.5°C | 24.2°C | 51 mm | 12.3 h | |
| October | 8.3°C | 18.9°C | 66 mm | 10.7 h | |
| November | 3.9°C | 12.2°C | 74 mm | 9.3 h | |
| December | 0.9°C | 8.4°C | 71 mm | 8.6 h | ❄ |