Average annual temperature is 16.1 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 245 days
Number of rainy days: 116 days
Number of snow days: 4 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) | 21.7 | 23.0 | 26.4 | 30.8 | 31.1 | 37.6 | 37.8 | 40.4 | 38.9 | 31.3 | 30.0 | 21.5 |
| Average daytime temperature (°C) | 11.5 | 13.1 | 16.6 | 22.3 | 25.0 | 29.5 | 34.2 | 35.5 | 31.5 | 23.5 | 16.4 | 12.4 |
| Average temperature (°C) | 4.9 | 5.5 | 9.1 | 14.6 | 19.2 | 23.5 | 27.6 | 29.0 | 25.1 | 17.2 | 10.3 | 6.8 |
| Average night temperature (°C) | 0.2 | 0.3 | 3.4 | 8.7 | 14.5 | 18.6 | 22.0 | 22.8 | 19.6 | 11.9 | 5.6 | 2.6 |
| Absolute minimum temperature (°C) | -14.0 | -9.5 | -5.7 | 0.0 | 7.0 | 14.6 | 18.3 | 18.5 | 15.3 | -2.4 | -3.3 | -3.7 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.8 | 9.7 | 10.1 | 10.2 | 11.7 | 12.2 | 12.2 | 10.2 | 9.3 | 8.0 | 7.4 |
| Precipitation (mm) | 16 | 16 | 6 | 75 | 118 | 187 | 72 | 13 | 54 | 51 | 18 | 60 |
| Sunny days | 25 | 20 | 22 | 22 | 13 | 9 | 19 | 23 | 22 | 23 | 24 | 23 |
| Rainy days | 5 | 7 | 7 | 8 | 18 | 21 | 12 | 8 | 8 | 8 | 6 | 8 |
| Snow days | 1 | 1 | 2 | 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