Pasadena, California 

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Climate in Pasadena, California

Pasadena, California gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 286 sunny days per year in Pasadena. The US average is 205 sunny days.

Pasadena gets some kind of precipitation, on average, 40 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 88 degrees
Winter Low: the January low is 45
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Pasadena is 9.1 (10=best), which means it is one of the most pleasant places in California.

9.1 / 10
June, May and October are the most pleasant months in Pasadena, while January and February are the least comfortable months.

Climate Averages
  Pasadena, CaliforniaUnited States
  21.4 in.38.1 in.
  0.0 in.27.8 in.
  39.7 days106.2 days
  286 days205 days
  87.5°85.8°
  45.1°21.7°
  9.17
  6.24.3
  863 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 Pasadena with an average high temperature of 89.1°, which ranks it as about average compared to other places in California. In Pasadena, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pasadena are May, October and June.


December has the coldest nighttime temperatures for Pasadena with an average of 44.3°. This is warmer than most places in California.


In Pasadena, there are 49.6 days annually when the high temperature is over 90°, which is about average compared to other places in California.


In Pasadena, there are 1.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.


In Pasadena, 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 Pasadena with 5.2 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 21.4 inches in Pasadena means that it is wetter than most places in California.


February is the rainiest month in Pasadena with 6.8 days of rain, and July is the driest month with only 0.5 rainy days. There are 39.7 rainy days annually in Pasadena, which is less rainy than most places in California. The rainiest season is Spring when it rains 46% of the time and the driest is Autumn with only a 6% chance of a rainy day.


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





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Pasadena    19 Reviews
    Pasadena is one of the gems of the LA area - 3/13/2020
    Pasadena is a little slice of the world in the foothills above the San Gabriel Valley. It has everything you could want. Check out my video on the cost of living in... Read More

    Start Your Review of Pasadena


    climate - 4/6/2015
    The weather in Pasadena, CA is rather pleasant. It does not get cold here, it used to be around the first two weeks of December it could go down to 32-28 F, only a few... Read More

    great place to live - 2/7/2014
    Great place to live for all ages and enjoy mostly sunny... Read More


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    MAPS OF PASADENA, CALIFORNIA
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    ZIP CODES IN PASADENA, CALIFORNIA
    91104 91107 91103 91106 91101 91105

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