Climate in Fountain Valley, CA

Fountain Valley, CA has a mild climate year-round with temperatures rarely falling below 40 degrees Fahrenheit or rising above 90 degrees Fahrenheit. The area typically has cool and dry summers, mild winters with moderate rainfall, and an average of 300+ days of sunshine each year. In general the climate in Fountain Valley is very pleasant making it an ideal location for outdoor activities.

Fountain Valley, California gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Fountain Valley averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 276 sunny days per year in Fountain Valley. The US average is 205 sunny days.

Fountain Valley gets some kind of precipitation, on average, 36 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

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Weather Highlights

Summer High: the July high is around 78 degrees
Winter Low: the January low is 48
Rain: averages 12 inches of rain a year
Snow: averages 0 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Fountain Valley is 9.3 (10=best), which means it is one of the most pleasant places in California.

June, October and September are the most pleasant months in Fountain Valley, while January and February are the least comfortable months.

August is the hottest month for Fountain Valley with an average high temperature of 79.5°, which ranks it as cooler than most places in California. In Fountain Valley, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fountain Valley are July, September and August.

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In Fountain Valley, there are 10.5 days annually when the high temperature is over 90°, which is cooler than most places in California.

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December has the coldest nighttime temperatures for Fountain Valley with an average of 47.1°. This is one of the warmest places in California.

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In Fountain Valley, there are 0.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

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In Fountain Valley, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

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Humidity in Fountain Valley is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in August and July. The most humid months (but still comfortable) are August, July and September.

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February is the wettest month in Fountain Valley with 2.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 61% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 12.0 inches in Fountain Valley means that it is drier than most places in California.

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February is the rainiest month in Fountain Valley with 6.6 days of rain, and July is the driest month with only 0.4 rainy days. There are 36.4 rainy days annually in Fountain Valley, which is less rainy than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 4% chance of a rainy day.

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There is rarely any recorded snowfall in Fountain Valley, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Fountain Valley.

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