April Weather in Washington

Last updated: March 2, 2024

The weather in Washington, United States, during April is characterized by an average temperature of 15°C (59°F). Highs can soar to 28°C (83°F), while lows may dip to 0°C (32°F). Typically, the humidity level in Washington throughout April hovers around 62%.

0°C (32°F)

Minimum temperature

15°C (59°F)

Average temperature

28°C (83°F)

Maximum temperature

62%

Humidity

Precipitation and Sunshine hours

In April, Washington averages 12 mm (0.5 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 13 hours 10 minutes of daylight, with the sun shining for approximately 10 hours 49 minutes each day. Additionally, there is a 72% probability of sunny days during this period.

12 mm (0.5 inches)

Precipitation

2 rainy days

Rainy days

10 hours 49 minutes

Sunshine hours

72%

Chance of sun

UV Index

In April, the UV Index in Washington reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 1 2 4 7 9 10 10 8 6 4 2 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

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