May Weather in San Francisco

Last updated: March 2, 2024

The weather in San Francisco, Philippines, during May is characterized by an average temperature of 27°C (82°F). Highs can soar to 29°C (85°F), while lows may dip to 26°C (78°F). Typically, the humidity level in San Francisco throughout May hovers around 83%.

26°C (78°F)

Minimum temperature

27°C (82°F)

Average temperature

29°C (85°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, San Francisco averages 132 mm (5.2 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 12 hours 34 minutes of daylight, with the sun shining for approximately 10 hours 27 minutes each day. Additionally, there is a 20% probability of sunny days during this period.

132 mm (5.2 inches)

Precipitation

24 rainy days

Rainy days

10 hours 27 minutes

Sunshine hours

20%

Chance of sun

UV Index

In May, the UV Index in San Francisco reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 2 5 8 12 14 14 12 8 5 2 1 0 0
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

Compare San Francisco's Climate with Cities Worldwide