April Weather in Santa Rosa

Last updated: March 2, 2024

The weather in Santa Rosa, United States, during April is characterized by an average temperature of 14°C (58°F). Highs can soar to 30°C (87°F), while lows may dip to -2°C (28°F). Typically, the humidity level in Santa Rosa throughout April hovers around 61%.

-2°C (28°F)

Minimum temperature

14°C (58°F)

Average temperature

30°C (87°F)

Maximum temperature

61%

Humidity

Precipitation and Sunshine hours

In April, Santa Rosa averages 27 mm (1.1 inches) of rainfall, typically over the course of 3 rainy days. The month enjoys an average of 13 hours 5 minutes of daylight, with the sun shining for approximately 10 hours 32 minutes each day. Additionally, there is a 64% probability of sunny days during this period.

27 mm (1.1 inches)

Precipitation

3 rainy days

Rainy days

10 hours 32 minutes

Sunshine hours

64%

Chance of sun

UV Index

In April, the UV Index in Santa Rosa reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 9 11 11 10 8 5 3 1 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare Santa Rosa's Climate with Cities Worldwide