Average annual temperature is 20.2 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -1.3 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Grimes
* Weather data for Grimes 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) | 24.6 | 27.8 | 28.9 | 30.5 | 34.4 | 35.2 | 36.1 | 38.5 | 34.4 | 30.8 | 26.5 | 23.3 |
| Average daytime temperature (°C) | 18.5 | 21.6 | 23.2 | 26.6 | 28.9 | 31.2 | 33.0 | 35.1 | 31.2 | 25.5 | 19.8 | 16.2 |
| Average temperature (°C) | 12.8 | 15.7 | 17.2 | 20.1 | 22.7 | 25.6 | 27.5 | 29.2 | 25.4 | 19.8 | 14.3 | 11.3 |
| Average night temperature (°C) | 8.4 | 11.5 | 12.3 | 14.8 | 17.4 | 20.9 | 23.1 | 24.3 | 20.4 | 14.8 | 9.8 | 7.2 |
| Absolute minimum temperature (°C) | -1.2 | 0.1 | -1.3 | 9.5 | 9.6 | 18.8 | 20.5 | 21.2 | 16.4 | 8.3 | 0.1 | 0.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.9 | 7.4 | 8.7 | 9.4 | 10.4 | 10.5 | 11.4 | 11.0 | 10.5 | 8.9 | 6.9 | 6.2 |
| Precipitation (mm) | 149 | 81 | 108 | 97 | 105 | 187 | 140 | 70 | 59 | 87 | 82 | 108 |
| Sunny days | 14 | 12 | 13 | 14 | 13 | 9 | 8 | 9 | 16 | 24 | 18 | 22 |
| Rainy days | 17 | 16 | 18 | 16 | 18 | 21 | 23 | 22 | 14 | 7 | 12 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grimes during the most sunny months:
The largest precipitation sum in Grimes is at