Average annual temperature is 15.1 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 269 days
Number of rainy days: 96 days
Look at detailed online map of City of Suisun City
* Weather data for City of Suisun City 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) | 18.6 | 20.5 | 18.7 | 31.2 | 31.3 | 35.5 | 39.6 | 38.5 | 32.7 | 35.0 | 26.3 | 18.8 |
| Average daytime temperature (°C) | 13.9 | 14.0 | 14.4 | 21.2 | 22.9 | 25.6 | 33.1 | 33.1 | 28.1 | 27.0 | 19.7 | 15.7 |
| Average temperature (°C) | 9.1 | 8.0 | 9.1 | 13.5 | 15.7 | 17.8 | 22.1 | 22.8 | 19.7 | 18.7 | 13.4 | 10.6 |
| Average night temperature (°C) | 5.7 | 3.4 | 5.0 | 7.5 | 10.5 | 12.1 | 14.0 | 15.8 | 13.8 | 12.5 | 8.2 | 6.6 |
| Absolute minimum temperature (°C) | -0.2 | -0.5 | -0.2 | 1.0 | 6.5 | 9.1 | 10.8 | 12.4 | 11.3 | 5.0 | 1.5 | 1.2 |
| 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) | 9.8 | 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) | 5.6 | 7.6 | 7.7 | 11.4 | 11.8 | 13.1 | 13.3 | 12.2 | 11.1 | 9.5 | 8.0 | 5.8 |
| Precipitation (mm) | 299 | 83 | 248 | 4 | 14 | 0 | 0 | 0 | 3 | 16 | 47 | 134 |
| Sunny days | 12 | 17 | 10 | 26 | 25 | 28 | 31 | 30 | 26 | 26 | 21 | 17 |
| Rainy days | 19 | 11 | 21 | 4 | 6 | 2 | 0 | 1 | 4 | 5 | 9 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Suisun City during the most sunny months:
The largest precipitation sum in City of Suisun City is at