Average annual temperature is 24.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Old Grove
* Weather data for Old Grove 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) | 29.3 | 29.1 | 31.4 | 32.0 | 33.4 | 32.7 | 35.9 | 34.7 | 33.7 | 31.7 | 30.9 | 28.2 |
| Average daytime temperature (°C) | 24.3 | 26.7 | 27.7 | 28.6 | 30.1 | 30.7 | 32.9 | 32.4 | 31.6 | 29.6 | 27.3 | 23.1 |
| Average temperature (°C) | 19.5 | 22.1 | 23.0 | 24.1 | 25.5 | 26.9 | 28.5 | 28.3 | 27.2 | 25.0 | 22.6 | 19.4 |
| Average night temperature (°C) | 15.9 | 18.4 | 19.0 | 20.1 | 21.1 | 23.5 | 24.7 | 25.1 | 23.7 | 21.5 | 19.0 | 16.6 |
| Absolute minimum temperature (°C) | 5.9 | 11.3 | 11.8 | 16.4 | 16.7 | 20.6 | 23.3 | 23.3 | 21.8 | 13.2 | 10.9 | 10.6 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| 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) | 9.1 | 10.1 | 10.5 | 11.1 | 12.3 | 11.7 | 11.0 | 10.2 | 10.0 | 9.8 | 8.8 | 6.9 |
| Precipitation (mm) | 9 | 9 | 23 | 67 | 56 | 175 | 105 | 208 | 173 | 57 | 86 | 144 |
| Sunny days | 23 | 18 | 17 | 3 | 8 | 2 | 3 | 0 | 1 | 15 | 14 | 14 |
| Rainy days | 8 | 10 | 14 | 27 | 23 | 28 | 28 | 31 | 29 | 16 | 16 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Grove is at