Average annual temperature is 20.8 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 206 days
Number of rainy days: 159 days
Look at detailed online map of Acton
* Weather data for Acton 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 | 29.0 | 30.2 | 33.8 | 37.0 | 41.9 | 43.0 | 43.1 | 40.9 | 34.3 | 29.4 | 27.1 |
| Average daytime temperature (°C) | 18.1 | 17.2 | 22.1 | 24.1 | 28.4 | 34.7 | 38.7 | 40.3 | 34.8 | 26.8 | 19.4 | 17.6 |
| Average temperature (°C) | 11.5 | 10.2 | 15.6 | 18.2 | 22.8 | 28.2 | 32.3 | 34.2 | 29.0 | 21.0 | 14.0 | 11.3 |
| Average night temperature (°C) | 6.6 | 5.5 | 11.1 | 13.2 | 18.6 | 23.1 | 26.4 | 27.8 | 23.9 | 16.4 | 9.7 | 6.7 |
| Absolute minimum temperature (°C) | -4.8 | -4.8 | 0.9 | 7.4 | 13.4 | 18.5 | 22.5 | 22.9 | 20.1 | 2.5 | -0.2 | 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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) | 7.4 | 6.9 | 8.1 | 8.8 | 9.4 | 11.0 | 11.9 | 12.3 | 10.4 | 8.7 | 7.7 | 7.6 |
| Precipitation (mm) | 35 | 93 | 174 | 94 | 167 | 215 | 39 | 4 | 52 | 261 | 17 | 82 |
| Sunny days | 21 | 12 | 13 | 15 | 8 | 8 | 22 | 29 | 16 | 18 | 19 | 25 |
| Rainy days | 10 | 16 | 18 | 15 | 23 | 22 | 9 | 2 | 14 | 13 | 11 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Acton during the most sunny months:
The largest precipitation sum in Acton is at