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

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Highlights

On average, there are 293 sunny days per year in Sun City. St. George averages 255 sunny days per year. The US average is 205 sunny days.

Sun City, Arizona gets 9.3 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.

Sun City averages 0.1 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

Sun City, Arizona
Summer High: the July high is around 105.7 degrees
Winter Low: the January low is 43
Rain: averages 9.3 inches of rain a year
Snow: averages 0.1 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
Sun City

The annual BestPlaces Comfort Index for Sun City is 7.2 (10=best), which means it is less comfortable than most places in Arizona.

7.2 / 10
April, March and November are the most pleasant months in Sun City, while July and August are the least comfortable months.

St. George

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.

7.5 / 10
April, October and May are the most pleasant months in St. George, while July and August are the least comfortable months.

Today's Weather - St. George, UT

5 PM PST

Sunny

92°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonSunny92° / 65°SSE 2 mph
SaturdaySunny95° / 67°ESE 2 to 7 mph
SundaySunny95° / 67°SSE 3 to 16 mph
MondaySunny90° / 63°S 6 to 22 mph
TuesdaySunny77° / 52°SSW 7 to 17 mph
WednesdaySunny75° / 54°SW 2 to 9 mph
ThursdaySunny81° / 56°ENE 3 mph
Today's Weather - Sun City, AZ

5 PM PST

Sunny

100°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonSunny100° / 73°ESE 5 mph
SaturdaySunny102° / 76°E 10 to 15 mph
SundayMostly Sunny103° / 75°SE 10 to 15 mph
MondayMostly Sunny98° / 71°S 0 to 15 mph
TuesdayMostly Sunny88° / 63°SW 5 to 15 mph
WednesdaySunny84° / 61°SW 5 to 10 mph
ThursdaySunny89° / 62°SSE 0 to 5 mph
Average Monthly High / Low (°F)
MonthSt. George, UTSun City, AZ
January55° / 29°67° / 43°
February60° / 33°71° / 46°
March68° / 39°77° / 51°
April76° / 45°85° / 57°
May86° / 54°95° / 65°
June96° / 61°103° / 74°
July101° / 68°106° / 80°
August99° / 67°104° / 80°
September92° / 58°99° / 73°
October78° / 46°88° / 61°
November64° / 35°75° / 49°
December54° / 28°65° / 42°
Hot, Freezing, Rainy, Snowy Days: St. George / Sun City
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 021 / 15 / 40 / 0
February0 / 012 / 06 / 40 / 0
March0 / 16 / 05 / 40 / 0
April2 / 92 / 03 / 20 / 0
May11 / 240 / 02 / 10 / 0
June25 / 300 / 01 / 00 / 0
July30 / 310 / 03 / 30 / 0
August30 / 310 / 03 / 40 / 0
September19 / 280 / 03 / 30 / 0
October2 / 142 / 04 / 20 / 0
November0 / 011 / 03 / 20 / 0
December0 / 022 / 14 / 40 / 0
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 Sun City with an average high temperature of 105.7°, which ranks it as warmer than most places in Arizona. In Sun City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sun City are March, November and April.
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 Sun City with an average of 41.9°. This is one of the warmest 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 Sun City, there are 166.7 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 Sun City, there are 2.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest 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 Sun City, 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.


February is the wettest month in Sun City 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 9.3 inches in Sun City 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.

February is the rainiest month in Sun City with 3.9 days of rain, and June is the driest month with only 0.4 rainy days. There are 31.9 rainy days annually in Sun City, 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 1.5 inches in St. George means that it is one of the least snowy places in Utah.

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

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

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for St. George    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of St. George

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Reviews for Sun City    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Sun City

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Zips In St. George, Utah
84790, 84770
Zips In SUN CITY, ARIZONA
85351, 85373
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