April Weather in Fountain Valley

Last updated: March 2, 2024

The weather in Fountain Valley, United States, during April is characterized by an average temperature of 17°C (63°F). Highs can soar to 30°C (86°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Fountain Valley throughout April hovers around 70%.

11°C (52°F)

Minimum temperature

17°C (63°F)

Average temperature

30°C (86°F)

Maximum temperature

70%

Humidity

Precipitation and Sunshine hours

In April, Fountain Valley averages 23 mm (0.9 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 13 hours 2 minutes of daylight, with the sun shining for approximately 10 hours 36 minutes each day. Additionally, there is a 51% probability of sunny days during this period.

23 mm (0.9 inches)

Precipitation

2 rainy days

Rainy days

10 hours 36 minutes

Sunshine hours

51%

Chance of sun

UV Index

In April, the UV Index in Fountain Valley 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 2 3 6 8 9 10 9 6 4 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

Compare Fountain Valley's Climate with Cities Worldwide