April Weather in San Jose

Last updated: March 2, 2024

The weather in San Jose, United States, during April is characterized by an average temperature of 20°C (68°F). Highs can soar to 33°C (91°F), while lows may dip to 6°C (43°F). Typically, the humidity level in San Jose throughout April hovers around 55%.

6°C (43°F)

Minimum temperature

20°C (68°F)

Average temperature

33°C (91°F)

Maximum temperature

55%

Humidity

Precipitation and Sunshine hours

In April, San Jose averages 2 mm (0.1 inches) of rainfall, typically over the course of 0 rainy days. The month enjoys an average of 13 hours 0 minutes of daylight, with the sun shining for approximately 11 hours 8 minutes each day. Additionally, there is a 74% probability of sunny days during this period.

2 mm (0.1 inches)

Precipitation

0 rainy days

Rainy days

11 hours 8 minutes

Sunshine hours

74%

Chance of sun

UV Index

In April, the UV Index in San Jose 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 3 5 8 10 11 11 9 6 3 2 1 0
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare San Jose's Climate with Cities Worldwide