Average annual temperature is 14.7 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 218 days
Number of rainy days: 144 days
Number of snow days: 3 days
Look at detailed online map of Gridley
* Weather data for Gridley 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) | 15.5 | 20.0 | 25.1 | 28.4 | 32.6 | 38.5 | 36.5 | 38.2 | 35.8 | 32.2 | 23.1 | 15.5 |
| Average daytime temperature (°C) | 8.1 | 10.4 | 13.1 | 21.3 | 26.2 | 31.0 | 32.8 | 32.8 | 29.9 | 21.4 | 13.1 | 9.7 |
| Average temperature (°C) | 2.1 | 3.3 | 6.8 | 13.7 | 19.8 | 24.7 | 26.7 | 26.9 | 23.3 | 15.8 | 7.7 | 5.0 |
| Average night temperature (°C) | -1.7 | -2.0 | 1.8 | 7.6 | 14.2 | 18.9 | 21.6 | 21.7 | 17.6 | 11.1 | 3.2 | 1.5 |
| Absolute minimum temperature (°C) | -11.6 | -10.7 | -7.8 | -0.1 | 5.6 | 12.3 | 16.3 | 15.6 | 12.0 | -3.1 | -9.3 | -3.3 |
| 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) | 6.4 | 8.0 | 7.8 | 10.4 | 10.2 | 12.7 | 11.6 | 12.2 | 10.4 | 7.9 | 7.3 | 5.1 |
| Precipitation (mm) | 43 | 49 | 54 | 35 | 46 | 51 | 50 | 55 | 45 | 73 | 42 | 77 |
| Sunny days | 22 | 15 | 16 | 18 | 13 | 14 | 16 | 21 | 22 | 19 | 23 | 19 |
| Rainy days | 9 | 13 | 15 | 12 | 18 | 16 | 15 | 10 | 8 | 12 | 6 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Gridley during the most sunny months:
The largest precipitation sum in Gridley is at