January Weather in Fairfield

Last updated: March 2, 2024

The weather in Fairfield, United States, during January is characterized by an average temperature of 8°C (47°F). Highs can soar to 23°C (74°F), while lows may dip to -7°C (20°F). Typically, the humidity level in Fairfield throughout January hovers around 85%.

-7°C (20°F)

Minimum temperature

8°C (47°F)

Average temperature

23°C (74°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In January, Fairfield averages 111 mm (4.4 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 10 hours 12 minutes of daylight, with the sun shining for approximately 5 hours 11 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

111 mm (4.4 inches)

Precipitation

8 rainy days

Rainy days

5 hours 11 minutes

Sunshine hours

37%

Chance of sun

UV Index

In January, the UV Index in Fairfield 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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