Average annual temperature is 15.0 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: -0.4 °C
Number of sunny days: 260 days
Number of rainy days: 105 days
Look at detailed online map of Simi
* Weather data for Simi 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) | 22.1 | 23.3 | 20.0 | 30.8 | 32.5 | 36.5 | 41.0 | 40.5 | 35.4 | 35.0 | 25.4 | 22.0 |
| Average daytime temperature (°C) | 15.2 | 15.4 | 14.4 | 21.2 | 23.5 | 26.5 | 35.2 | 33.5 | 28.2 | 26.6 | 20.0 | 16.6 |
| Average temperature (°C) | 9.5 | 8.2 | 8.7 | 13.1 | 15.4 | 17.6 | 23.3 | 22.7 | 19.2 | 17.6 | 13.0 | 11.1 |
| Average night temperature (°C) | 5.8 | 3.4 | 4.8 | 7.1 | 10.0 | 11.4 | 14.7 | 15.2 | 13.4 | 11.7 | 8.1 | 7.4 |
| Absolute minimum temperature (°C) | -0.2 | -0.4 | -0.1 | 1.8 | 5.8 | 8.9 | 10.4 | 12.3 | 11.1 | 3.3 | 1.5 | 1.1 |
| 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 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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 | 7.7 | 7.7 | 11.2 | 11.6 | 12.7 | 13.4 | 12.2 | 10.9 | 8.6 | 7.7 | 5.2 |
| Precipitation (mm) | 430 | 115 | 351 | 16 | 28 | 0 | 0 | 0 | 5 | 23 | 91 | 228 |
| Sunny days | 12 | 17 | 10 | 26 | 23 | 28 | 30 | 30 | 25 | 23 | 21 | 15 |
| Rainy days | 19 | 11 | 21 | 4 | 8 | 2 | 1 | 1 | 5 | 8 | 9 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Simi during the most sunny months:
The largest precipitation sum in Simi is at