Lassen County, CA Climate

Lassen County, located in Northern California, is home to a unique climate. The nearby Sierra Nevada mountains and Cascade Range block moisture that enters from the Pacific coast, making it a largely dry environment. The summers are hot and dry with temperatures reaching up to 100°F on some days. Winters are cold and snowy, with average snowfall ranging from 40-50 inches annually. This combination of warm summers and cold winters creates an area that has a variety of activities available all year round that makes it an excellent spot for outdoor recreation.

Lassen County, California gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lassen County averages 44 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 246 sunny days per year in Lassen County. The US average is 205 sunny days.

Lassen County gets some kind of precipitation, on average, 62 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 87 degrees
Winter Low: the January low is 21
Rain: averages 16 inches of rain a year
Snow: averages 44 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Lassen County is 7.1 (10=best), which means it is one of the least comfortable places in California.

8.9 Summer - 5.2 Winter

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

Climate	Lassen, California	United States
	15.7 in.	38.1 in.
	44.4 in.	27.8 in.
	62.2 days	106.2 days
	246 days	205 days
	86.7°	85.8°
	20.9°	21.7°
	7.1	7
	5	4.3
	5360 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 Lassen County with an average high temperature of 86.7°, which ranks it as cooler than most places in California. In Lassen County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lassen County are September, June and August.

In Lassen County, there are 23.5 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for Lassen County with an average of 20.7°. This is one of the coldest places in California.

In Lassen County, there are 165.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in California.

In Lassen County, there are 3.4 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

Humidity is very low in Lassen 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 Lassen County with 2.4 inches of rain, and the driest month is August with 0.2 inches. The wettest season is Spring with 43% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 15.7 inches in Lassen County means that it is drier than most places in California.

March is the rainiest month in Lassen County with 7.9 days of rain, and August is the driest month with only 1.4 rainy days. There are 62.2 rainy days annually in Lassen County, which is rainier than most places in California. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 44.4 inches in Lassen County means that it is one of the snowiest places in California. January is the snowiest month in Lassen County with 9.9 inches of snow, and 8 months of the year have significant snowfall.

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Judy · Mcarthur, CA

Summertime in Lassen County

Over 4 years ago

I've recently moved to Lassen county from Shasta county, right next door. While Shasta county can get to 110 degrees plus, Lassen county ses to hover around 90 degrees More

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