Fresno County, CA Climate

Fresno, CA County has a mild Mediterranean climate with hot summers and cool winters. Summers typically bring high temperatures in the mid-90s and lows in the upper 50s. Winter temperatures are generally mild, with highs in the upper 50s and low 60s and lows in the mid-30s. Rainfall is light throughout the year, but there are occasional rainstorms that can bring substantial precipitation. The area also receives occasional snowfall during colder months, mainly at higher elevations above 4500 feet.

Fresno County, California gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Fresno County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 267 sunny days per year in Fresno County. The US average is 205 sunny days.

Fresno County gets some kind of precipitation, on average, 47 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.

Weather Highlights

Summer High: the July high is around 96 degrees
Winter Low: the January low is 37
Rain: averages 15 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Fresno County is 8.0 (10=best), which means it is less comfortable than most places in California.

7.6 Summer - 7.3 Winter

May, October and April are the most pleasant months in Fresno County, while January and December are the least comfortable months.

Climate	Fresno, California	United States
	15.2 in.	38.1 in.
	0.4 in.	27.8 in.
	47.4 days	106.2 days
	267 days	205 days
	96.0°	85.8°
	36.8°	21.7°
	8	7
	5.3	4.3
	3356 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Fresno County with an average high temperature of 96.0°, which ranks it as warmer than most places in California. In Fresno County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fresno County are October, May and April.

In Fresno County, there are 95.9 days annually when the high temperature is over 90°, which is hotter than most places in California.

December has the coldest nighttime temperatures for Fresno County with an average of 36.4°. This is colder than most places in California.

In Fresno County, there are 24.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

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

Humidity in Fresno County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and September.

January is the wettest month in Fresno County with 2.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 52% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 15.2 inches in Fresno County means that it is drier than most places in California.

February is the rainiest month in Fresno County with 8.0 days of rain, and July is the driest month with only 0.3 rainy days. There are 47.4 rainy days annually in Fresno County, which is less rainy than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 3% chance of a rainy day.

An annual snowfall of 0.4 inches in Fresno County means that it is snowier than most places in California. December is the snowiest month in Fresno County with 0.1 inches of snow, and no months of the year have significant snowfall.

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