December Weather in San Jose

Last updated: March 2, 2024

The weather in San Jose, Spain, during December is characterized by an average temperature of 15°C (59°F). Highs can soar to 19°C (66°F), while lows may dip to 12°C (53°F). Typically, the humidity level in San Jose throughout December hovers around 74%.

12°C (53°F)

Minimum temperature

15°C (59°F)

Average temperature

19°C (66°F)

Maximum temperature

74%

Humidity

Precipitation and Sunshine hours

In December, San Jose averages 24 mm (0.9 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 9 hours 40 minutes of daylight, with the sun shining for approximately 8 hours 57 minutes each day. Additionally, there is a 59% probability of sunny days during this period.

24 mm (0.9 inches)

Precipitation

2 rainy days

Rainy days

8 hours 57 minutes

Sunshine hours

59%

Chance of sun

UV Index

In December, the UV Index in San Jose reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 0 1 1 1 2 3 3 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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