April Weather in San Francisco

Last updated: March 2, 2024

The weather in San Francisco, Mexico, during April is characterized by an average temperature of 24°C (75°F). Highs can soar to 36°C (96°F), while lows may dip to 14°C (57°F). Typically, the humidity level in San Francisco throughout April hovers around 80%.

14°C (57°F)

Minimum temperature

24°C (75°F)

Average temperature

36°C (96°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In April, San Francisco averages 103 mm (4.0 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 38 minutes of daylight, with the sun shining for approximately 9 hours 9 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

103 mm (4.0 inches)

Precipitation

10 rainy days

Rainy days

9 hours 9 minutes

Sunshine hours

37%

Chance of sun

UV Index

In April, the UV Index in San Francisco reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 12 12 10 7 4 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare San Francisco's Climate with Cities Worldwide