Gilbert, Arizona 

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Climate in Gilbert, Arizona

Gilbert, AZ has a semi-arid climate with hot, dry summers and mild winters. Temperatures in the summer can reach highs of over 100°F with low humidity levels. Winters are much milder, typically ranging from the upper 50s to lower 70s. Rainfall in Gilbert averages around 9 inches annually, most of which occurs in the summer months. The city also experiences an average of 270 sunny days per year and low levels of air pollution due to its location away from any large metropolitan areas.

Gilbert, Arizona gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 296 sunny days per year in Gilbert. The US average is 205 sunny days.

Gilbert gets some kind of precipitation, on average, 33 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 105 degrees
Winter Low: the January low is 40
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year


The annual BestPlaces Comfort Index for Gilbert is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

4.5 / 8.5

Summer   /   Winter
April, March and November are the most pleasant months in Gilbert, while July and August are the least comfortable months.

Climate Averages
  Gilbert, ArizonaUnited States
  9.4 in.38.1 in.
  0.0 in.27.8 in.
  32.7 days106.2 days
  296 days205 days
  1237 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 Gilbert with an average high temperature of 105.0°, which ranks it as warmer than most places in Arizona. In Gilbert, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gilbert are March, November and February.

In Gilbert, there are 167.5 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

December has the coldest nighttime temperatures for Gilbert with an average of 38.5°. This is warmer than most places in Arizona.

In Gilbert, there are 11.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

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

Humidity in Gilbert 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 September.

August is the wettest month in Gilbert with 1.4 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 37% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 9.4 inches in Gilbert means that it is drier than most places in Arizona.

August is the rainiest month in Gilbert with 4.4 days of rain, and June is the driest month with only 0.4 rainy days. There are 32.7 rainy days annually in Gilbert, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 35% of the time and the driest is Summer with only a 18% chance of a rainy day.

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

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Gilbert    40 Reviews
    Thoughts from a Midwest Transplant - 5/27/2019
    The reason I chose to write a review is because, while a few were indeed quite concise & accurate (looking at you, J.T.), some were astonishingly biased and/or isolated... Read More

    Start Your Review of Gilbert

    Lived in Gilbert for 4 years now & love it - 6/29/2018
    Great community for families, couples, retirees and anyone looking for a safe, friendly, clean suburb with shopping, restaurants and a growing economy. The Town... Read More

    Gilbert AZ a wonderful place to live - 4/12/2017
    A family friendly town with great schools and low crime. The people are friendly, there's plenty of shopping, and easy commute to Phoenix etc. We have experienced a... Read More

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