April Weather in Riverside

Last updated: March 2, 2024

The weather in Riverside, United States, during April is characterized by an average temperature of 12°C (54°F). Highs can soar to 28°C (83°F), while lows may dip to -3°C (26°F). Typically, the humidity level in Riverside throughout April hovers around 77%.

-3°C (26°F)

Minimum temperature

12°C (54°F)

Average temperature

28°C (83°F)

Maximum temperature

77%

Humidity

Precipitation and Sunshine hours

In April, Riverside averages 82 mm (3.2 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 15 minutes of daylight, with the sun shining for approximately 8 hours 37 minutes each day. Additionally, there is a 51% probability of sunny days during this period.

82 mm (3.2 inches)

Precipitation

10 rainy days

Rainy days

8 hours 37 minutes

Sunshine hours

51%

Chance of sun

UV Index

In April, the UV Index in Riverside reaches a maximum of 9, 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.

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 3 5 7 9 9 9 7 5 3 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

Compare Riverside's Climate with Cities Worldwide