Climate at a glance · Saint-Étienne
Annual mean12°day and night
Precipitation855 mma year
Warmest monthAugustavg high 27°
Coldest monthJanuaryavg low 0°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
855 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 7° | 10° | 12° | 15° | 19° | 25° | 26° | 27° | 22° | 18° | 11° | 8° |
| Avg low | 0° | 2° | 3° | 5° | 9° | 15° | 15° | 15° | 12° | 10° | 4° | 2° |
| Precip, mm | 56 | 45 | 85 | 79 | 101 | 94 | 54 | 36 | 68 | 90 | 66 | 81 |
| Wet days | 13 | 9 | 12 | 12 | 16 | 13 | 9 | 7 | 10 | 10 | 12 | 12 |
| Sunshine | 4.7 h | 7 h | 8.7 h | 9.7 h | 10.7 h | 12.5 h | 12.9 h | 12 h | 9.9 h | 7.9 h | 5.7 h | 5.2 h |
| Humidity | 81% | 77% | 72% | 70% | 71% | 66% | 63% | 61% | 70% | 76% | 83% | 82% |
| Daylight | 9 h 11 | 10 h 24 | 11 h 56 | 13 h 32 | 14 h 55 | 15 h 37 | 15 h 16 | 14 h 03 | 12 h 31 | 10 h 56 | 9 h 31 | 8 h 47 |
| UV index (clear sky) | 2 | 3 | 6 | 8 | 10 | 10 | 10 | 9 | 7 | 4 | 2 | 2 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
45.4340°N, 4.3900°E