Glenn County, CA Climate

Glenn, CA County has a semi-arid climate with hot summers and cool winters. The temperatures in the summer can reach up to 100 degrees Fahrenheit and the winter lows can drop to around 20 degrees Fahrenheit. Precipitation is generally low throughout the year, with some months receiving as little as 0.5 inches of rain. The driest season is late summer through early fall, when days are sunny and mild weather prevails. The spring months also tend to be dry, but slightly more wet than the late summer and early fall months. Despite its dry climate, Glenn County does receive occasional snowfall during the winter months.

Glenn County, California gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 252 sunny days per year in Glenn County. The US average is 205 sunny days.

Glenn County gets some kind of precipitation, on average, 64 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 95 degrees
Winter Low: the January low is 36
Rain: averages 24 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

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

8 Summer - 7.1 Winter

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

Climate	Glenn, California	United States
	24.2 in.	38.1 in.
	0.3 in.	27.8 in.
	63.6 days	106.2 days
	252 days	205 days
	94.5°	85.8°
	36.0°	21.7°
	8	7
	5	4.3
	1311 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 Glenn County with an average high temperature of 94.5°, which ranks it as warmer than most places in California. In Glenn County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Glenn County are October, May and April.

In Glenn County, there are 85.1 days annually when the high temperature is over 90°, which is hotter than most places in California.

December has the coldest nighttime temperatures for Glenn County with an average of 35.8°. This is colder than most places in California.

In Glenn County, there are 29.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Glenn 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 Glenn 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 June.

January is the wettest month in Glenn County with 4.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 54% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 24.2 inches in Glenn County means that it is wetter than most places in California.

January is the rainiest month in Glenn County with 11.5 days of rain, and July is the driest month with only 0.2 rainy days. There are 63.6 rainy days annually in Glenn County, which is rainier than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 3% chance of a rainy day.

An annual snowfall of 0.3 inches in Glenn County means that it is snowier than most places in California. December is the snowiest month in Glenn County with 0.2 inches of snow, and no months of the year have significant snowfall.

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