ClimateForecastNovemberDecember >>

Fairfield (CA) Climate by Month

The temperature in Fairfield can vary greatly throughout the year. The temperatures shift from very warm to mild. It maintains relatively low levels of precipitation throughout the seasons. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to moderate in Fairfield. Average daytime temperatures range from a very warm 31°C in July, the warmest time of the year, to a moderate 14°C during cooler months like January. At night, temperatures typically average around 3°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Fairfield maintains relatively dry conditions year-round, recording average annual precipitation of 464 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate rainfall, averaging 95 mm of precipitation, recorded across 11 rainy days. In contrast, the drier season, July brings less rainfall, with 0.1 mm over 0 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Fairfield. While July receives considerable daily sunshine with up to 14.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.

Monthly hours of sunshine

Data from: Sacramento, the United States of America (60 KM, 37 Miles).

Daily hours of sunshine

Data from: Sacramento, the United States of America (60 KM, 37 Miles).

The best time of year to visit Fairfield in the United States of America

During the months of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Fairfield have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Fairfield?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Fairfield?
    The coldest month is January with an average maximum temperature of 14°C.
  • Which is the wettest month in Fairfield?
    December tops the wettest month list with 95 mm of rainfall.
  • Which is the driest month in Fairfield?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Fairfield?
    July is the sunniest month with an average of 440 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Fairfield (CA)

    Sat   Nov 23
    15°C | 6°C
    W 18 km/h
    1.6 mm
    partly cloudy and rain

    partly cloudy and rain

    Sun   Nov 24
    15°C | 5°C
    SE 11 km/h
    11 mm
    broken clouds and rain

    broken clouds and rain

    Mon   Nov 25
    14°C | 8°C
    E 14 km/h
    7.1 mm
    overcast and heavy rain

    overcast and heavy rain