2025 Compare Climate & Weather:
Wildomar, CA vs Cottonwood, AZ

Highlights

On average, there are 275 sunny days per year in Cottonwood. Wildomar averages 272 sunny days per year. The US average is 205 sunny days.

Cottonwood, Arizona gets 14 inches of rain, on average, per year. Wildomar, California gets 12 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Cottonwood averages 1.1 inches of snow per year. Wildomar averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Cottonwood, Arizona
Summer High: the July high is around 100.3 degrees
Winter Low: the January low is 27.7
Rain: averages 14 inches of rain a year
Snow: averages 1.1 inches of snow a year

Wildomar, California
Summer High: the July high is around 95.2 degrees
Winter Low: the January low is 39.9
Rain: averages 12 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Cottonwood is 7.6 (10=best), which means it is about average compared to other places in Arizona.

The annual BestPlaces Comfort Index for Wildomar is 8.5 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Wildomar, CA

57°F

Today's Weather - Cottonwood, AZ

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Wildomar / Cottonwood

August is the hottest month for Wildomar with an average high temperature of 96.8°, which ranks it as warmer than most places in California. In Wildomar, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wildomar are April, November and May.

July is the hottest month for Cottonwood with an average high temperature of 100.3°, which ranks it as warmer than most places in Arizona. In Cottonwood, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cottonwood are April, October and March.

December has the coldest nighttime temperatures for Wildomar with an average of 38.5°. This is about average compared to other places in California.

December has the coldest nighttime temperatures for Cottonwood with an average of 27.1°. This is colder than most places in Arizona.

In Wildomar, there are 99.5 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Cottonwood, there are 123.1 days annually when the high temperature is over 90°, which is about average compared to other places in Arizona.

In Wildomar, there are 16.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Cottonwood, there are 87.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arizona.

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

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

February is the wettest month in Wildomar with 3.0 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 62% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 12.0 inches in Wildomar means that it is drier than most places in California.


August is the wettest month in Cottonwood with 2.1 inches of rain, and the driest month is June with 0.2 inches. The wettest season is Autumn with 29% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 14.0 inches in Cottonwood means that it is wetter than most places in Arizona.

February is the rainiest month in Wildomar with 5.5 days of rain, and June is the driest month with only 0.3 rainy days. There are 31.1 rainy days annually in Wildomar, which is one of the least rainy places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 5% chance of a rainy day.

August is the rainiest month in Cottonwood with 7.9 days of rain, and June is the driest month with only 1.2 rainy days. There are 52.1 rainy days annually in Cottonwood, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 30% of the time and the driest is Summer with only a 21% chance of a rainy day.

There is rarely any recorded snowfall in Wildomar, ranking it as one of the least snowy places in California.

An annual snowfall of 1.1 inches in Cottonwood means that it is about average compared to other places in Arizona.

Any measurable snowfall is a rare occurance in Wildomar.

February is the snowiest month in Cottonwood with 0.4 inches of snow, and no months of the year have significant snowfall.