2025 Compare Climate & Weather:
St. George, UT vs Tempe, AZ

Highlights

On average, there are 300 sunny days per year in Tempe. St. George averages 255 sunny days per year. The US average is 205 sunny days.

Tempe, Arizona gets 9 inches of rain, on average, per year. St. George, Utah gets 10 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Tempe averages 0 inches of snow per year. St. George averages 1.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Tempe, Arizona
Summer High: the July high is around 104.1 degrees
Winter Low: the January low is 41.5
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year

St. George, Utah
Summer High: the July high is around 101.2 degrees
Winter Low: the January low is 28.9
Rain: averages 10 inches of rain a year
Snow: averages 1.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Tempe is 7.4 (10=best), which means it is less comfortable than most places in Arizona.

The annual BestPlaces Comfort Index for St. George is 7.5 (10=best), which means it is one of the most pleasant places in Utah.

Today's Weather - St. George, UT

65°F

Today's Weather - Tempe, AZ

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: St. George / Tempe

July is the hottest month for St. George with an average high temperature of 101.2°, which ranks it as one of the hottest places in Utah. In St. George, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. George are October, April and May.

July is the hottest month for Tempe with an average high temperature of 104.1°, which ranks it as warmer than most places in Arizona. In Tempe, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tempe are March, November and February.

December has the coldest nighttime temperatures for St. George with an average of 28.1°. This is one of the warmest places in Utah.

December has the coldest nighttime temperatures for Tempe with an average of 40.5°. This is warmer than most places in Arizona.

In St. George, there are 118.3 days annually when the high temperature is over 90°, which is one of the hottest places in Utah.

In Tempe, there are 164.9 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In St. George, there are 76.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Utah.

In Tempe, there are 7.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In St. George, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Utah.

In Tempe, 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 St. George with 1.5 inches of rain, and the driest month is June with 0.2 inches. The wettest season is Spring with 39% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 10.0 inches in St. George means that it is drier than most places in Utah.


August is the wettest month in Tempe with 1.2 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 9.0 inches in Tempe means that it is drier than most places in Arizona.

February is the rainiest month in St. George with 5.9 days of rain, and June is the driest month with only 1.4 rainy days. There are 42.6 rainy days annually in St. George, which is one of the least rainy places in Utah. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 18% chance of a rainy day.

August is the rainiest month in Tempe with 4.7 days of rain, and June is the driest month with only 0.5 rainy days. There are 36.2 rainy days annually in Tempe, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 35% of the time and the driest is Summer with only a 18% chance of a rainy day.

An annual snowfall of 1.5 inches in St. George means that it is one of the least snowy places in Utah.

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

January is the snowiest month in St. George with 0.5 inches of snow, and 1 month of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Tempe.