Average annual temperature is 14.3 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 160 days
Number of rainy days: 198 days
Number of snow days: 7 days
Look at detailed online map of Romans-sur-Isère
* Weather data for Romans-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) | 15.2 | 16.5 | 20.1 | 22.3 | 27.6 | 32.4 | 35.0 | 39.0 | 33.1 | 29.1 | 20.5 | 14.6 |
| Average daytime temperature (°C) | 8.1 | 11.0 | 14.3 | 16.7 | 21.0 | 27.8 | 30.1 | 30.5 | 27.4 | 22.1 | 12.4 | 9.8 |
| Average temperature (°C) | 5.0 | 5.3 | 9.3 | 11.5 | 16.1 | 21.9 | 24.1 | 24.4 | 21.0 | 16.8 | 8.9 | 6.2 |
| Average night temperature (°C) | 1.8 | 1.0 | 4.5 | 6.6 | 11.5 | 16.4 | 17.8 | 18.0 | 15.0 | 11.7 | 5.1 | 2.8 |
| Absolute minimum temperature (°C) | -4.3 | -3.7 | -2.0 | 0.6 | 8.7 | 12.2 | 13.1 | 12.5 | 8.2 | 6.7 | -2.2 | -3.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 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 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.9 | 8.3 | 8.9 | 9.5 | 10.3 | 12.3 | 13.5 | 11.7 | 10.5 | 7.9 | 5.6 | 4.7 |
| Precipitation (mm) | 51 | 21 | 80 | 44 | 85 | 67 | 35 | 26 | 81 | 186 | 96 | 102 |
| Sunny days | 9 | 14 | 16 | 10 | 7 | 11 | 16 | 21 | 20 | 17 | 8 | 11 |
| Rainy days | 17 | 12 | 15 | 20 | 24 | 19 | 15 | 10 | 10 | 14 | 22 | 20 |
| Snow days | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Romans-sur-Isère during the most sunny months:
Months with the longest average daylight duration in Romans-sur-Isère:
The largest precipitation sum in Romans-sur-Isère is at