2025 Compare Climate & Weather:
Surprise, AZ vs Sherman, TX

Highlights

On average, there are 227 sunny days per year in Sherman. Surprise averages 301 sunny days per year. The US average is 205 sunny days.

Sherman, Texas gets 42.2 inches of rain, on average, per year. Surprise, Arizona gets 9.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sherman averages 1.2 inches of snow per year. Surprise averages 0.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sherman, Texas
Summer High: the July high is around 92.4 degrees
Winter Low: the January low is 32
Rain: averages 42.2 inches of rain a year
Snow: averages 1.2 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sherman is 7.3 (10=best), which means it is more comfortable than most places in Texas.

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

Today's Weather - Surprise, AZ

90°F

Today's Weather - Sherman, TX

62°F

Average Monthly High / Low (°F)

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

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.

August is the hottest month for Sherman with an average high temperature of 93.0°, which ranks it as cooler than most places in Texas. In Sherman, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sherman are May, October and April.

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

January has the coldest nighttime temperatures for Sherman with an average of 32.0°. This is colder than most places in Texas.

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

In Sherman, there are 65.2 days annually when the high temperature is over 90°, which is one of the coolest places in Texas.

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 Sherman, there are 45.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Texas.

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.

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

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.


May is the wettest month in Sherman with 5.3 inches of rain, and the driest month is August with 2.2 inches. The wettest season is Summer with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in Sherman means that it is wetter than most places in Texas.

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.

May is the rainiest month in Sherman with 9.6 days of rain, and July is the driest month with only 4.7 rainy days. There are 80.1 rainy days annually in Sherman, which is rainier than most places in Texas. The rainiest season is Summer when it rains 30% of the time and the driest is Autumn with only a 22% chance of a rainy day.

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

An annual snowfall of 1.2 inches in Sherman means that it is snowier than most places in Texas.

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

February is the snowiest month in Sherman with 0.6 inches of snow, and 1 month of the year have significant snowfall.