Last updated: March 2, 2024
The weather in Acton, United States, during April is characterized by an average temperature of 7°C (45°F). Highs can soar to 22°C (72°F), while lows may dip to -3°C (27°F). Typically, the humidity level in Acton throughout April hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Acton averages 132 mm (5.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 27 minutes of daylight, with the sun shining for approximately 7 hours 57 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Acton reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 7 | 5 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||