San Dimas, California 

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Climate in San Dimas, California

San Dimas, California gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 277 sunny days per year in San Dimas. The US average is 205 sunny days.

San Dimas gets some kind of precipitation, on average, 32 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 91 degrees
Winter Low: the January low is 45
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for San Dimas is 8.9 (10=best), which means it is more comfortable than most places in California.

8.9 / 10
May, June and October are the most pleasant months in San Dimas, while August and January are the least comfortable months.

Climate Averages
  San Dimas, CaliforniaUnited States
  19.4 in.38.1 in.
  0.0 in.27.8 in.
  32.4 days106.2 days
  277 days205 days
  90.7°85.8°
  44.7°21.7°
  8.97
  6.24.3
  955 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 San Dimas with an average high temperature of 92.2°, which ranks it as about average compared to other places in California. In San Dimas, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Dimas are May, April and October.


December has the coldest nighttime temperatures for San Dimas with an average of 43.8°. This is warmer than most places in California.


In San Dimas, there are 70.0 days annually when the high temperature is over 90°, which is hotter than most places in California.


In San Dimas, there are 1.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.


In San Dimas, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.


February is the wettest month in San Dimas with 4.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 19.4 inches in San Dimas means that it is about average compared to other places in California.


February is the rainiest month in San Dimas with 5.9 days of rain, and July is the driest month with only 0.2 rainy days. There are 32.4 rainy days annually in San Dimas, which is less rainy 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 4% chance of a rainy day.


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





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for San Dimas    7 Reviews
    San Dimas OG - 4/9/2019
    The Jefferson's have Guts & we love our city even from a distance it's still close to our hearts! Peace, Love, & Light!... Read More

    Start Your Review of San Dimas


    The Drought - 4/10/2014
    You probably are aware of how bad the drought is in Southern CA. Last year we only received 3 inches of rain. This is more like Texas than Southern CA. It looks like... Read More

    The gem of San Dimas - 6/13/2013
    Lori I'm assuming you could not afford the VIA VERDE neighborhood of San Dimas. I just moved into VIA VERDE and it is so peaceful! I love it! I have a beautiful green... Read More


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    ZIP CODES IN SAN DIMAS, CALIFORNIA
    91773

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