May Weather in Sonoma

Last updated: March 2, 2024

The weather in Sonoma, United States, during May is characterized by an average temperature of 17°C (62°F). Highs can soar to 30°C (87°F), while lows may dip to 7°C (46°F). Typically, the humidity level in Sonoma throughout May hovers around 80%.

7°C (46°F)

Minimum temperature

17°C (62°F)

Average temperature

30°C (87°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In May, Sonoma averages 21 mm (0.8 inches) of rainfall, typically over the course of 3 rainy days. The month enjoys an average of 14 hours 16 minutes of daylight, with the sun shining for approximately 11 hours 30 minutes each day. Additionally, there is a 82% probability of sunny days during this period.

21 mm (0.8 inches)

Precipitation

3 rainy days

Rainy days

11 hours 30 minutes

Sunshine hours

82%

Chance of sun

UV Index

In May, the UV Index in Sonoma reaches a maximum of 10, 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 2 4 6 8 10 10 10 8 6 3 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

Compare Sonoma's Climate with Cities Worldwide