Sierra County, CA Climate

Sierra County in California is a region with a diverse climate. Summers are typically hot and dry, with temperatures reaching up to 100 degrees Fahrenheit during peak times. Winters tend to be milder and wetter, with plenty of rain and snowfall due to the high elevation of the area. Overall, the summers tend to be hotter than most other areas in California, while winters tend to remain relatively mild. This combination makes Sierra County a great place for outdoor activities year-round.

Sierra County, California gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sierra County averages 112 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 240 sunny days per year in Sierra County. The US average is 205 sunny days.

Sierra County gets some kind of precipitation, on average, 77 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 84 degrees
Winter Low: the January low is 24
Rain: averages 51 inches of rain a year
Snow: averages 112 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sierra County is 6.9 (10=best), which means it is one of the least comfortable places in California.

9.2 Summer - 4.8 Winter

August, July and June are the most pleasant months in Sierra County, while January and December are the least comfortable months.

Climate	Sierra, California	United States
	Unlock	38.1 in.
	112.1 in.	Unlock
	Unlock	106.2 days
	240 days	Unlock
	83.6°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	5722 ft.	Unlock

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 Sierra County with an average high temperature of 83.6°, which ranks it as cooler than most places in California. In Sierra County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sierra County are September, June and August.

In Sierra County, there are 13.2 days annually when the high temperature is over 90°, which is cooler than most places in California.

January has the coldest nighttime temperatures for Sierra County with an average of 24.0°. This is one of the coldest places in California.

In Sierra County, there are 149.4 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in California.

In Sierra County, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

Humidity is very low in Sierra County, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

December is the wettest month in Sierra County with 9.2 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 50% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 50.9 inches in Sierra County means that it is one of the wettest places in California.

March is the rainiest month in Sierra County with 10.3 days of rain, and July is the driest month with only 1.1 rainy days. There are 77.1 rainy days annually in Sierra County, which is rainier than most places in California. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 8% chance of a rainy day.

An annual snowfall of 112.1 inches in Sierra County means that it is one of the snowiest places in California. January is the snowiest month in Sierra County with 24.4 inches of snow, and 8 months of the year have significant snowfall.

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