Average annual temperature is 23.5 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of Whittier
* Weather data for Whittier 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) | 29.2 | 32.1 | 35.1 | 33.9 | 35.1 | 35.4 | 37.2 | 36.9 | 35.0 | 30.4 | 30.3 | 29.0 |
| Average daytime temperature (°C) | 24.2 | 27.8 | 29.8 | 30.0 | 30.7 | 32.3 | 33.7 | 34.4 | 31.7 | 28.2 | 26.0 | 22.4 |
| Average temperature (°C) | 18.0 | 21.3 | 22.5 | 23.6 | 24.4 | 26.2 | 27.9 | 28.4 | 26.3 | 23.7 | 21.0 | 18.2 |
| Average night temperature (°C) | 13.4 | 16.2 | 16.7 | 18.9 | 19.6 | 22.1 | 24.2 | 24.5 | 22.6 | 20.1 | 17.3 | 15.0 |
| Absolute minimum temperature (°C) | 1.9 | 7.0 | 8.2 | 14.1 | 15.9 | 19.4 | 22.6 | 23.1 | 19.0 | 12.4 | 7.9 | 7.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 9.8 | 10.2 | 10.2 | 11.6 | 11.6 | 10.3 | 10.9 | 10.2 | 9.5 | 8.2 | 6.9 |
| Precipitation (mm) | 26 | 26 | 18 | 187 | 122 | 175 | 204 | 106 | 171 | 69 | 95 | 94 |
| Sunny days | 19 | 19 | 16 | 7 | 10 | 1 | 2 | 4 | 6 | 19 | 15 | 15 |
| Rainy days | 12 | 9 | 15 | 23 | 21 | 29 | 29 | 27 | 24 | 12 | 15 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Whittier is at