Average annual temperature is 19.1 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Harristown
* Weather data for Harristown 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) | 22.6 | 26.7 | 27.8 | 29.6 | 31.3 | 32.7 | 35.5 | 36.4 | 32.9 | 29.2 | 26.0 | 22.9 |
| Average daytime temperature (°C) | 16.8 | 20.1 | 20.9 | 24.8 | 25.9 | 29.5 | 32.7 | 32.8 | 29.1 | 24.5 | 19.1 | 16.3 |
| Average temperature (°C) | 11.9 | 14.6 | 15.6 | 19.0 | 20.7 | 24.3 | 27.7 | 27.5 | 23.8 | 19.0 | 13.6 | 11.3 |
| Average night temperature (°C) | 8.1 | 10.7 | 11.3 | 14.5 | 16.3 | 20.2 | 24.2 | 23.9 | 19.7 | 14.8 | 9.6 | 7.8 |
| Absolute minimum temperature (°C) | -0.7 | -0.3 | 0.7 | 6.2 | 9.7 | 14.3 | 21.7 | 20.9 | 15.3 | 8.8 | 0.9 | -1.0 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.5 | 8.5 | 10.3 | 10.1 | 10.8 | 11.4 | 11.3 | 10.1 | 8.9 | 7.3 | 6.6 |
| Precipitation (mm) | 93 | 125 | 72 | 111 | 103 | 116 | 236 | 144 | 53 | 71 | 71 | 169 |
| Sunny days | 15 | 13 | 17 | 13 | 16 | 5 | 2 | 6 | 17 | 21 | 21 | 21 |
| Rainy days | 16 | 15 | 14 | 17 | 15 | 25 | 29 | 25 | 13 | 10 | 9 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Harristown is at