Humboldt County, CA Climate

Humboldt County in California has a mild, temperate climate. It experiences warm summers with temperatures reaching up to the mid-80s, and mild winters with temperatures ranging from the mid-30s to high-50s. The county gets an average of 41 inches of rain each year, which is spread out over the cooler months between October and April. The area is known for its foggy mornings and afternoons during both summer and winter. Humboldt County also receives snowfall in certain areas throughout the year, mostly in December and January. The moderate climate makes Humboldt County an ideal place for outdoor activities such as hiking, biking and fishing all year round.

Humboldt County, California gets 55 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Humboldt County averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 177 sunny days per year in Humboldt County. The US average is 205 sunny days.

Humboldt County gets some kind of precipitation, on average, 114 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 75 degrees
Winter Low: the January low is 39
Rain: averages 55 inches of rain a year
Snow: averages 2 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Humboldt County is 7.6 (10=best), which means it is less comfortable than most places in California.

8.9 Summer - 6.3 Winter

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

Climate	Humboldt, California	United States
	54.7 in.	38.1 in.
	2.4 in.	27.8 in.
	114.0 days	106.2 days
	177 days	205 days
	74.6°	85.8°
	39.2°	21.7°
	7.6	7
	5	4.3
	1714 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.

August is the hottest month for Humboldt County with an average high temperature of 75.1°, which ranks it as one of the coolest places in California. In Humboldt County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Humboldt County are August, July and September.

In Humboldt County, there are 15.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for Humboldt County with an average of 38.9°. This is warmer than most places in California.

In Humboldt County, there are 17.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Humboldt 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 Humboldt 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.

December is the wettest month in Humboldt County with 11.0 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 51% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 54.7 inches in Humboldt County means that it is one of the wettest places in California.

December is the rainiest month in Humboldt County with 16.0 days of rain, and July is the driest month with only 1.7 rainy days. There are 114.0 rainy days annually in Humboldt County, which is one of the rainiest places in California. The rainiest season is Spring when it rains 40% of the time and the driest is Autumn with only a 7% chance of a rainy day.

An annual snowfall of 2.4 inches in Humboldt County means that it is snowier than most places in California. February is the snowiest month in Humboldt County with 0.7 inches of snow, and 3 months of the year have significant snowfall.

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