Mendocino, California 

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Climate in Mendocino, California

The climate in Mendocino, CA is mostly mild and temperate, with warm summers and cool winters. The average temperature in the summer months ranges from the low- to mid-60s, while winter temperatures range from the low- to mid-50s. Rainfall is fairly consistent throughout the year, averaging around 50 inches annually. Fog is also a common occurrence in Mendocino, especially during the summer months. As such, it has a unique mild Mediterranean climate which makes it a pleasant place to visit year round.

Mendocino, California gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 189 sunny days per year in Mendocino. The US average is 205 sunny days.

Mendocino gets some kind of precipitation, on average, 97 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 78 degrees
Winter Low: the January low is 39
Rain: averages 41 inches of rain a year
Snow: averages 0 inches of snow a year


The annual BestPlaces Comfort Index for Mendocino is 7.7 (10=best), which means it is less comfortable than most places in California.

8.5 / 6.6

Summer   /   Winter
June, September and May are the most pleasant months in Mendocino, while December and January are the least comfortable months.

Climate Averages
  Mendocino, CaliforniaUnited States
  41.0 in.38.1 in.
  0.0 in.27.8 in.
  96.7 days106.2 days
  189 days205 days
  154 ft.2443 ft.


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 Mendocino with an average high temperature of 77.8°, which ranks it as cooler than most places in California. In Mendocino, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mendocino are July, August and September.

In Mendocino, there are 29.6 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for Mendocino with an average of 38.2°. This is about average compared to other places in California.

In Mendocino, there are 18.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Mendocino, 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 Mendocino 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 Mendocino with 7.9 inches of rain, and the driest month is July with 0.1 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 41.0 inches in Mendocino means that it is wetter than most places in California.

December is the rainiest month in Mendocino with 14.9 days of rain, and July is the driest month with only 1.3 rainy days. There are 96.7 rainy days annually in Mendocino, which is one of the rainiest places in California. The rainiest season is Spring when it rains 44% of the time and the driest is Autumn with only a 6% chance of a rainy day.

There is rarely any recorded snowfall in Mendocino, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Mendocino.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Mendocino    1 Reviews
    Mendocino is so beautiful - 5/17/2008
    I love Mendocino, it gets a little foggy here though. There is practically no crime here compared to other... Read More

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