Average annual temperature is 12.6 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 114 days
Number of rainy days: 226 days
Number of snow days: 25 days
Look at detailed online map of Ustou
* Weather data for Ustou 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) | 14.6 | 19.1 | 22.9 | 26.4 | 25.2 | 27.2 | 35.7 | 35.4 | 32.0 | 29.6 | 22.7 | 17.9 |
| Average daytime temperature (°C) | 6.6 | 10.2 | 14.4 | 14.9 | 16.0 | 22.5 | 25.9 | 25.9 | 24.9 | 21.3 | 13.7 | 11.4 |
| Average temperature (°C) | 2.7 | 4.9 | 9.1 | 10.0 | 12.2 | 18.1 | 21.0 | 20.8 | 19.4 | 16.1 | 9.5 | 6.6 |
| Average night temperature (°C) | -1.3 | 0.1 | 4.5 | 5.2 | 8.5 | 13.4 | 16.5 | 16.0 | 14.4 | 12.1 | 5.9 | 2.6 |
| Absolute minimum temperature (°C) | -8.3 | -6.3 | -4.7 | -5.5 | 4.9 | 8.8 | 11.9 | 9.1 | 7.2 | 5.7 | -2.0 | -3.7 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 8.1 | 8.6 | 8.8 | 9.3 | 11.5 | 12.2 | 11.1 | 10.4 | 7.9 | 6.1 | 5.3 |
| Precipitation (mm) | 111 | 42 | 88 | 182 | 231 | 182 | 110 | 96 | 91 | 122 | 184 | 105 |
| Sunny days | 10 | 16 | 13 | 5 | 2 | 3 | 6 | 9 | 14 | 14 | 8 | 14 |
| Rainy days | 10 | 5 | 15 | 22 | 29 | 27 | 25 | 22 | 16 | 17 | 22 | 16 |
| Snow days | 11 | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Ustou during the most sunny months:
Months with the longest average daylight duration in Ustou:
The largest precipitation sum in Ustou is at