Fairfield (CA) Weather and Climate: A Comprehensive Guide
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 maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very warm to moderate in Fairfield. Average maximum 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 drop to an average of around 3°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
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. For more details, please visit our Fairfield Precipitation page.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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Fairfield.
The city experiences its highest humidity in January, reaching 83%. In July, the humidity drops to its lowest level at 53%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain partly cloudy and rain broken clouds and no rainForecast for Fairfield (CA)
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:
Yes, the months of May, June, July, August and September are very dry.
July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 14°C.
December tops the wettest month list with 95 mm of rainfall.
July is the driest month with 0 mm of precipitation.
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.