Zip 90040 (Commerce, CA) Climate

Commerce, CA 90040 has a warm semiarid climate that experiences hot summers and cool winters. Temperatures can vary greatly throughout the year and between day and night. During the summer months, temperatures often reach into the upper 90s Fahrenheit, while during winter temperatures can dip into the low 40s. The area typically receives an average of 14 inches of rain per year, most of which falls in December and January. Overall, Commerce enjoys mild temperatures for much of the year and ample sunshine for outdoor activities.

Commerce (zip 90040), California gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Commerce (zip 90040) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 291 sunny days per year in Commerce (zip 90040). The US average is 205 sunny days.

Commerce (zip 90040) gets some kind of precipitation, on average, 28 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 83 degrees
Winter Low: the January low is 48
Rain: averages 15 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 90040 zip code is 9.4 (10=best), which means it is one of the most pleasant places in California.

9.7 Summer - 8.9 Winter

June, May and October are the most pleasant months in the 90040 zip code, while January and February are the least comfortable months.

Climate	Commerce, California	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	291 days	Unlock
	83.0°	85.8°
	Unlock	21.7°
	9.4	Unlock
	Unlock	4.3
	144 ft.	Unlock

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 the 90040 zip code with an average high temperature of 84.5°, which ranks it as cooler than most places in California. In the 90040 zip code, there are 9 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 90040 zip code are June, October and May.

In the 90040 zip code, there are 28.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for the 90040 zip code with an average of 47.5°. This is one of the warmest places in California.

In the 90040 zip code, there are 0.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In the 90040 zip code, 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 the 90040 zip code 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 the 90040 zip code with 3.6 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 61% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 14.9 inches in the 90040 zip code means that it is drier than most places in California.

January is the rainiest month in the 90040 zip code with 5.6 days of rain, and July is the driest month with only 0.2 rainy days. There are 28.4 rainy days annually in the 90040 zip code, which is one of the least rainy places in California. The rainiest season is Spring when it rains 52% of the time and the driest is Autumn with only a 3% chance of a rainy day.

There is rarely any recorded snowfall in the 90040 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 90040 zip code.

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