Average annual temperature is 17.3 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 171 days
Number of rainy days: 194 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) | 21.5 | 26.8 | 26.1 | 29.1 | 31.8 | 36.9 | 36.0 | 38.0 | 33.3 | 31.5 | 26.6 | 20.5 |
| Average daytime temperature (°C) | 13.7 | 16.6 | 18.3 | 21.5 | 26.9 | 31.7 | 32.5 | 32.4 | 30.1 | 24.8 | 17.7 | 13.9 |
| Average temperature (°C) | 8.9 | 10.6 | 12.2 | 15.3 | 20.6 | 24.7 | 26.6 | 26.4 | 23.6 | 18.6 | 11.7 | 8.3 |
| Average night temperature (°C) | 5.2 | 6.5 | 7.4 | 10.4 | 15.4 | 18.9 | 21.8 | 21.9 | 18.3 | 13.6 | 6.9 | 4.2 |
| Absolute minimum temperature (°C) | -3.1 | -4.0 | -5.5 | 4.0 | 7.2 | 14.1 | 17.2 | 16.7 | 14.1 | 1.0 | -1.9 | -3.3 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.9 |
| 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) | 5.4 | 5.8 | 8.2 | 8.2 | 10.9 | 11.8 | 10.7 | 9.8 | 10.6 | 8.6 | 7.1 | 6.9 |
| Precipitation (mm) | 135 | 106 | 201 | 137 | 112 | 67 | 192 | 86 | 35 | 19 | 78 | 64 |
| Sunny days | 12 | 7 | 14 | 11 | 12 | 13 | 9 | 14 | 16 | 23 | 22 | 18 |
| Rainy days | 19 | 21 | 17 | 19 | 19 | 17 | 22 | 17 | 14 | 8 | 8 | 13 |
| 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