Westmont, CA Climate


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United States / California / Los Angeles-Long Beach-Anaheim Metro Area / Los Angeles County / Westmont / Zip Codes
Westmont, CA enjoys a warm Mediterranean climate with mild winters and hot summers. The average high temperatures range from the high 50s in the winter to the low 90s in the summer months. Precipitation is fairly low throughout the year, but Westmont does receive occasional rain during the winter months. Humidity levels tend to be low, making for pleasant weather for most of the year. The area also gets many hours of sunshine throughout the year, providing plenty of opportunities to get out and enjoy outdoor activities.

Westmont, California gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 283 sunny days per year in Westmont. The US average is 205 sunny days.

Westmont 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 78 degrees
Winter Low: the January low is 49
Rain: averages 14 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Westmont is 9.4 (10=best), which means it is one of the most pleasant places in California.

9.9 Summer - 8.8 Winter
September, August and July are the most pleasant months in Westmont, while January and December are the least comfortable months.

  ClimateWestmont, CaliforniaUnited States
  13.9 in.38.1 in.
  0.0 in.27.8 in.
  32.3 days106.2 days
  283 days205 days
  77.7°85.8°
  48.5°21.7°
  9.47
  6.24.3
  217 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 Westmont with an average high temperature of 79.1°, which ranks it as cooler than most places in California. In Westmont, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westmont are September, July and August.
In Westmont, there are 9.6 days annually when the high temperature is over 90°, which is cooler than most places in California.
December has the coldest nighttime temperatures for Westmont with an average of 48.2°. This is one of the warmest places in California.
In Westmont, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.
In Westmont, 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 Westmont is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and September.
February is the wettest month in Westmont with 3.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 62% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 13.9 inches in Westmont means that it is drier than most places in California.
February is the rainiest month in Westmont with 5.9 days of rain, and August is the driest month with only 0.2 rainy days. There are 32.3 rainy days annually in Westmont, which is less rainy than most places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 3% chance of a rainy day.
There is rarely any recorded snowfall in Westmont, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Westmont.
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Kelly · Los Angeles, CA
Family- and Community-Oriented
Over 7 years ago

Western ave has gone down over the years but the surrounding communities remain family and community oriented. Homes are well-maintained and a greater percentage of  More

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