Monrovia, CA Climate


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United States / California / Los Angeles-Long Beach-Anaheim Metro Area / Los Angeles County / Monrovia / Zip Codes
Monrovia, CA enjoys a warm and sunny Mediterranean climate. Summers are hot and dry, with temperatures ranging from the mid-70s to upper 90s Fahrenheit. Winters are mild, with temperatures staying in the 50-60s range. Rainfall is low throughout the year, averaging around 17 inches annually. During the summer months, Monrovia experiences occasional heat waves that can reach up to 110 degrees Fahrenheit or more.

Monrovia, California gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 285 sunny days per year in Monrovia. The US average is 205 sunny days.

Monrovia gets some kind of precipitation, on average, 38 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 47
Rain: averages 20 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

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

9.2 Summer - 8.8 Winter
June, May and October are the most pleasant months in Monrovia, while January and February are the least comfortable months.

  ClimateMonrovia, CaliforniaUnited States
  20.2 in.38.1 in.
  0.0 in.27.8 in.
  38.0 days106.2 days
  285 days205 days
  87.7°85.8°
  46.6°21.7°
  9.17
  6.24.3
  571 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 Monrovia with an average high temperature of 89.2°, which ranks it as about average compared to other places in California. In Monrovia, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Monrovia are May, April and October.
In Monrovia, there are 49.7 days annually when the high temperature is over 90°, which is about average compared to other places in California.
December has the coldest nighttime temperatures for Monrovia with an average of 45.8°. This is one of the warmest places in California.
In Monrovia, there are 0.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.
In Monrovia, 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 Monrovia 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.
February is the wettest month in Monrovia with 4.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.2 inches in Monrovia means that it is about average compared to other places in California.
February is the rainiest month in Monrovia with 6.7 days of rain, and August is the driest month with only 0.4 rainy days. There are 38.0 rainy days annually in Monrovia, which is less rainy than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 5% chance of a rainy day.
There is rarely any recorded snowfall in Monrovia, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Monrovia.
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Emily · Los Angeles, CA
Very Nice City
Over 15 years ago

It's like Mayberry RFD in a Los Angeles Suburb. I love it, we have all the conveniences, and in this older neighborhood, with many historic homes, it is not a place  More

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Dave · Monrovia, CA
Climate
Over 15 years ago

Best place to live in winters; hot in  More

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Marites · Monrovia, CA
Living in Monrovia,CA
Over 17 years ago

Monrovia is a nice little city with diverse culture and recreation, we have easy access to freeways and convenient public transportation. We are pretty much close to  More

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