Santa Rosa, California 

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Climate in Santa Rosa, California

Santa Rosa, California gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 256 sunny days per year in Santa Rosa. The US average is 205 sunny days.

Santa Rosa gets some kind of precipitation, on average, 76 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 38
Rain: averages 38 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Santa Rosa is 8.3 (10=best), which means it is more comfortable than most places in California.

9.3 / 7

Summer   /   Winter
June, August and July are the most pleasant months in Santa Rosa, while December and January are the least comfortable months.

Climate Averages
  Santa Rosa, CaliforniaUnited States
  38.2 in.38.1 in.
  0.0 in.27.8 in.
  75.7 days106.2 days
  256 days205 days
  83.8°85.8°
  38.0°21.7°
  8.37
  4.94.3
  164 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 Santa Rosa with an average high temperature of 84.1°, which ranks it as cooler than most places in California. In Santa Rosa, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Santa Rosa are October, May and June.


In Santa Rosa, there are 31.5 days annually when the high temperature is over 90°, which is cooler than most places in California.


December has the coldest nighttime temperatures for Santa Rosa with an average of 37.5°. This is about average compared to other places in California.


In Santa Rosa, there are 22.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.


In Santa Rosa, 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 Santa Rosa 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 August, July and June.


December is the wettest month in Santa Rosa with 7.4 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 38.2 inches in Santa Rosa means that it is wetter than most places in California.


January is the rainiest month in Santa Rosa with 12.8 days of rain, and July is the driest month with only 0.2 rainy days. There are 75.7 rainy days annually in Santa Rosa, which is rainier than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 2% chance of a rainy day.


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





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Santa Rosa    42 Reviews
    Really nice town with lots to do - 4/22/2022
    I've lived her over 20 years and it's a pretty nice place. The main vibe is you feel safe doing this day or night. Most of the neighborhoods are well taken care of, they... Read More

    Start Your Review of Santa Rosa


    Avoid Santa Rosa like the plague! - 1/25/2021
    Terrible city that's hurting for money. After going on a long hiatus from enforcing traffic laws, they've recently turned their highways into an ATM machine/cash cow by... Read More

    The good, the bad and the ugly - 9/21/2020
    I have lived here for over 30 years. In that time I have seen the traffic and crime increase. The crime and homelessness has increased dramatically. I have also... Read More


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    ZIP CODES IN SANTA ROSA, CALIFORNIA
    95403 95407 95404 95401 95409 95405

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