Average annual temperature is 12.4 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 142 days
Number of rainy days: 210 days
Number of snow days: 13 days
Look at detailed online map of Sainte-Hélène-sur-Isère
* Weather data for Sainte-Hélène-sur-Isère France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.9 | 17.4 | 22.3 | 22.4 | 25.6 | 30.0 | 35.9 | 36.5 | 30.4 | 28.4 | 16.9 | 15.2 |
| Average daytime temperature (°C) | 6.0 | 11.1 | 13.3 | 14.7 | 19.5 | 25.2 | 27.4 | 27.1 | 25.4 | 20.7 | 10.2 | 9.3 |
| Average temperature (°C) | 1.3 | 4.7 | 8.3 | 10.0 | 14.9 | 20.1 | 21.8 | 21.7 | 19.6 | 14.9 | 6.5 | 4.9 |
| Average night temperature (°C) | -2.9 | -1.1 | 3.5 | 5.1 | 10.3 | 14.6 | 16.2 | 16.1 | 13.8 | 9.4 | 3.3 | 0.7 |
| Absolute minimum temperature (°C) | -14.2 | -8.3 | -1.7 | -0.8 | 7.5 | 10.6 | 10.8 | 9.8 | 6.9 | 5.8 | -1.1 | -15.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.6 | 8.4 | 7.0 | 8.2 | 9.7 | 12.5 | 12.6 | 10.9 | 10.3 | 7.4 | 4.2 | 4.1 |
| Precipitation (mm) | 151 | 6 | 278 | 176 | 152 | 165 | 128 | 116 | 82 | 209 | 282 | 291 |
| Sunny days | 16 | 22 | 10 | 8 | 3 | 7 | 11 | 15 | 18 | 16 | 4 | 12 |
| Rainy days | 10 | 3 | 20 | 22 | 28 | 23 | 20 | 16 | 12 | 15 | 24 | 17 |
| Snow days | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Sainte-Hélène-sur-Isère during the most sunny months:
Months with the longest average daylight duration in Sainte-Hélène-sur-Isère:
The largest precipitation sum in Sainte-Hélène-sur-Isère is at