Last updated: March 2, 2024
The weather in Washington, United States, during April is characterized by an average temperature of 6°C (43°F). Highs can soar to 17°C (62°F), while lows may dip to -3°C (28°F). Typically, the humidity level in Washington throughout April hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Washington averages 141 mm (5.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 29 minutes of daylight, with the sun shining for approximately 7 hours 54 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Washington reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||