Average annual temperature is 14.8 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 268 days
Number of rainy days: 97 days
Look at detailed online map of Rio Vista Junction
* Weather data for Rio Vista Junction United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.7 | 19.2 | 18.8 | 31.0 | 31.1 | 35.8 | 39.5 | 38.3 | 32.7 | 34.6 | 25.5 | 18.3 |
| Average daytime temperature (°C) | 13.4 | 13.6 | 14.2 | 20.5 | 22.3 | 25.1 | 33.0 | 32.8 | 28.0 | 26.6 | 19.5 | 15.6 |
| Average temperature (°C) | 8.8 | 7.6 | 9.2 | 13.3 | 15.6 | 17.6 | 21.8 | 22.5 | 19.7 | 18.3 | 12.8 | 10.2 |
| Average night temperature (°C) | 5.5 | 3.2 | 5.5 | 8.0 | 11.0 | 12.4 | 13.9 | 15.4 | 14.2 | 12.6 | 7.8 | 6.3 |
| Absolute minimum temperature (°C) | -0.2 | -1.0 | 0.6 | 1.3 | 8.0 | 9.9 | 11.5 | 13.1 | 12.1 | 5.3 | 1.5 | 0.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.5 | 7.5 | 7.9 | 11.4 | 11.8 | 13.2 | 13.3 | 12.3 | 11.0 | 9.5 | 8.0 | 6.0 |
| Precipitation (mm) | 335 | 81 | 248 | 3 | 17 | 0 | 0 | 0 | 1 | 9 | 56 | 144 |
| Sunny days | 13 | 16 | 10 | 27 | 23 | 29 | 31 | 29 | 26 | 26 | 22 | 16 |
| Rainy days | 18 | 12 | 21 | 3 | 8 | 1 | 0 | 2 | 4 | 5 | 8 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rio Vista Junction during the most sunny months:
The largest precipitation sum in Rio Vista Junction is at