2025 Compare Climate & Weather:
Hesperia, CA vs Surprise, AZ

Highlights

On average, there are 301 sunny days per year in Surprise. Hesperia averages 283 sunny days per year. The US average is 205 sunny days.

Surprise, Arizona gets 9.2 inches of rain, on average, per year. Hesperia, California gets 14.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Surprise averages 0.1 inches of snow per year. Hesperia averages 0.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Surprise, Arizona
Summer High: the July high is around 105.5 degrees
Winter Low: the January low is 42.2
Rain: averages 9.2 inches of rain a year
Snow: averages 0.1 inches of snow a year

Hesperia, California
Summer High: the July high is around 98.1 degrees
Winter Low: the January low is 33
Rain: averages 14.9 inches of rain a year
Snow: averages 0.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Hesperia is 8.0 (10=best), which means it is less comfortable than most places in California.

Today's Weather - Hesperia, CA

80°F

Today's Weather - Surprise, AZ

93°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hesperia / Surprise

July is the hottest month for Hesperia with an average high temperature of 98.1°, which ranks it as one of the hottest places in California. In Hesperia, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hesperia are October, April and May.

July is the hottest month for Surprise with an average high temperature of 105.5°, which ranks it as warmer than most places in Arizona. In Surprise, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Surprise are March, November and April.

December has the coldest nighttime temperatures for Hesperia with an average of 32.1°. This is colder than most places in California.

December has the coldest nighttime temperatures for Surprise with an average of 41.1°. This is warmer than most places in Arizona.

In Hesperia, there are 106.2 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Surprise, there are 165.1 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Hesperia, there are 48.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Surprise, there are 4.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Hesperia, 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 Surprise, 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 Hesperia with 3.3 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 58% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 14.9 inches in Hesperia means that it is drier than most places in California.


February is the wettest month in Surprise with 1.3 inches of rain, and the driest month is May with 0.1 inches. The wettest season is Spring with 37% of yearly precipitation and 15% occurs in Summer, which is the driest season. The annual rainfall of 9.2 inches in Surprise means that it is drier than most places in Arizona.

February is the rainiest month in Hesperia with 5.5 days of rain, and June is the driest month with only 0.6 rainy days. There are 33.5 rainy days annually in Hesperia, which is less rainy than most places in California. The rainiest season is Spring when it rains 45% of the time and the driest is Autumn with only a 9% chance of a rainy day.

February is the rainiest month in Surprise 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 Surprise, 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.

An annual snowfall of 0.4 inches in Hesperia means that it is snowier than most places in California.

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

January is the snowiest month in Hesperia with 0.2 inches of snow, and no months of the year have significant snowfall.

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