January Weather in Fountain Valley

Last updated: March 2, 2024

The weather in Fountain Valley, United States, during January is characterized by an average temperature of 14°C (57°F). Highs can soar to 26°C (79°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Fountain Valley throughout January hovers around 74%.

6°C (44°F)

Minimum temperature

14°C (57°F)

Average temperature

26°C (79°F)

Maximum temperature

74%

Humidity

Precipitation and Sunshine hours

In January, Fountain Valley averages 65 mm (2.5 inches) of rainfall, typically over the course of 5 rainy days. The month enjoys an average of 10 hours 11 minutes of daylight, with the sun shining for approximately 6 hours 6 minutes each day. Additionally, there is a 61% probability of sunny days during this period.

65 mm (2.5 inches)

Precipitation

5 rainy days

Rainy days

6 hours 6 minutes

Sunshine hours

61%

Chance of sun

UV Index

In January, the UV Index in Fountain Valley reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 1 1 2 3 4 4 4 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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