2025 Compare Climate & Weather:
Sun City West, AZ vs Folsom, CA

Highlights

On average, there are 267 sunny days per year in Folsom. Sun City West averages 292 sunny days per year. The US average is 205 sunny days.

Folsom, California gets 20.8 inches of rain, on average, per year. Sun City West, Arizona gets 9.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Folsom averages 0 inches of snow per year. Sun City West averages 0.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Folsom, California
Summer High: the July high is around 93.9 degrees
Winter Low: the January low is 39.2
Rain: averages 20.8 inches of rain a year
Snow: averages 0 inches of snow a year

Sun City West, Arizona
Summer High: the July high is around 105.2 degrees
Winter Low: the January low is 42.7
Rain: averages 9.5 inches of rain a year
Snow: averages 0.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Folsom is 8.3 (10=best), which means it is more comfortable than most places in California.

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

Today's Weather - Sun City West, AZ

66°F

Today's Weather - Folsom, CA

51°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sun City West / Folsom

July is the hottest month for Sun City West with an average high temperature of 105.2°, which ranks it as warmer than most places in Arizona. In Sun City West, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sun City West are March, November and April.

July is the hottest month for Folsom with an average high temperature of 93.9°, which ranks it as warmer than most places in California. In Folsom, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Folsom are October, May and April.

December has the coldest nighttime temperatures for Sun City West with an average of 41.5°. This is warmer than most places in Arizona.

January has the coldest nighttime temperatures for Folsom with an average of 39.2°. This is warmer than most places in California.

In Sun City West, there are 162.9 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Folsom, there are 76.8 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Sun City West, there are 2.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Arizona.

In Folsom, there are 7.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

February is the wettest month in Sun City West with 1.3 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 38% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 9.5 inches in Sun City West means that it is drier than most places in Arizona.


January is the wettest month in Folsom with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.8 inches in Folsom means that it is about average compared to other places in California.

February is the rainiest month in Sun City West with 3.9 days of rain, and June is the driest month with only 0.4 rainy days. There are 32.0 rainy days annually in Sun City West, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 36% of the time and the driest is Summer with only a 19% chance of a rainy day.

January is the rainiest month in Folsom with 10.1 days of rain, and July is the driest month with only 0.0 rainy days. There are 58.6 rainy days annually in Folsom, which is about average compared to other places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 3% chance of a rainy day.

An annual snowfall of 0.1 inches in Sun City West means that it is less snowy than most places in Arizona.

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

December is the snowiest month in Sun City West with 0.0 inches of snow, and no months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Folsom.