Average annual temperature is 14.3 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 264 days
Number of rainy days: 101 days
Look at detailed online map of City of Vallejo
* Weather data for City of Vallejo 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) | 16.4 | 18.7 | 17.4 | 29.5 | 29.3 | 29.5 | 35.6 | 37.0 | 30.8 | 34.4 | 25.2 | 18.2 |
| Average daytime temperature (°C) | 13.7 | 13.4 | 13.4 | 19.3 | 19.9 | 22.1 | 29.1 | 29.7 | 25.4 | 25.8 | 18.8 | 15.7 |
| Average temperature (°C) | 9.6 | 8.3 | 9.4 | 12.8 | 14.5 | 16.2 | 19.3 | 20.4 | 18.5 | 18.1 | 13.2 | 11.0 |
| Average night temperature (°C) | 6.8 | 4.7 | 6.5 | 8.4 | 11.3 | 12.6 | 13.3 | 15.1 | 14.4 | 13.0 | 9.1 | 7.8 |
| Absolute minimum temperature (°C) | 2.4 | 2.0 | 2.6 | 3.6 | 8.8 | 10.8 | 12.0 | 13.2 | 12.3 | 6.2 | 3.9 | 2.9 |
| 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) | 5.7 | 7.5 | 7.8 | 11.3 | 11.5 | 12.8 | 12.9 | 12.1 | 10.5 | 9.3 | 8.0 | 5.9 |
| Precipitation (mm) | 284 | 76 | 240 | 5 | 23 | 1 | 0 | 0 | 2 | 9 | 74 | 120 |
| Sunny days | 12 | 15 | 9 | 27 | 25 | 28 | 30 | 30 | 23 | 26 | 21 | 18 |
| Rainy days | 19 | 13 | 22 | 3 | 6 | 2 | 1 | 1 | 7 | 5 | 9 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Vallejo during the most sunny months:
The largest precipitation sum in City of Vallejo is at