2025 Compare Climate & Weather:
Sierra Vista, AZ vs Grand Junction, CO

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Highlights

On average, there are 245 sunny days per year in Grand Junction. Sierra Vista averages 284 sunny days per year. The US average is 205 sunny days.

Grand Junction, Colorado gets 9.9 inches of rain, on average, per year. Sierra Vista, Arizona gets 15.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Grand Junction averages 15.8 inches of snow per year. Sierra Vista averages 1.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Grand Junction, Colorado
Summer High:
the July high is around 92.8 degrees
Winter Low: the January low is 17.8
Rain: averages 9.9 inches of rain a year
Snow: averages 15.8 inches of snow a year

Sierra Vista, Arizona
Summer High:
the July high is around 91.5 degrees
Winter Low: the January low is 34.2
Rain: averages 15.2 inches of rain a year
Snow: averages 1.2 inches of snow a year

BestPlaces Comfort Index
Grand Junction

The annual BestPlaces Comfort Index for Grand Junction is 7.4 (10=best), which means it is one of the most pleasant places in Colorado.

7.4 / 10
September, May and June are the most pleasant months in Grand Junction, while January and December are the least comfortable months.

Sierra Vista

The annual BestPlaces Comfort Index for Sierra Vista is 8.4 (10=best), which means it is one of the most pleasant places in Arizona.

8.4 / 10
October, May and April are the most pleasant months in Sierra Vista, while July and January are the least comfortable months.

Today's Weather - Sierra Vista, AZ

9 PM PST

Partly Cloudy

64°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightPartly Cloudy51° / 81°WSW 2 to 8 mph
Thursday NightClear53° / 84°WSW 2 to 12 mph
Friday NightClear53° / 82°SW 6 to 13 mph
Saturday NightClear53° / 77°SSW 12 to 18 mph
Sunday NightClear48° / 74°SW 5 to 22 mph
Monday NightClear50° / 81°W 2 to 13 mph
Tuesday NightClear55° / 87°WSW 2 to 10 mph
Today's Weather - Grand Junction, CO

9 PM PST

Mostly Clear

51°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightMostly Clear41° / 71°SW 5 to 10 mph
Thursday NightSlight Chance Showers And Thunderstorms then Partly Cloudy43° / 76°S 5 to 10 mph
Friday NightMostly Cloudy51° / 82°S 5 to 10 mph
Saturday NightMostly Cloudy55° / 76°S 10 to 15 mph
Sunday NightChance Showers And Thunderstorms46° / 66°SSW 5 to 10 mph
Monday NightChance Showers And Thunderstorms45° / 73°SW 0 to 10 mph
Tuesday NightMostly Clear47° / 78°E 5 to 10 mph
Average Monthly High / Low (°F)
MonthSierra Vista, AZGrand Junction, CO
January61° / 34°39° / 18°
February64° / 37°46° / 24°
March70° / 41°57° / 32°
April77° / 47°66° / 39°
May85° / 55°76° / 48°
June93° / 63°87° / 57°
July92° / 66°93° / 63°
August89° / 65°90° / 61°
September87° / 61°80° / 52°
October79° / 51°67° / 40°
November69° / 41°51° / 29°
December61° / 35°40° / 20°
Hot, Freezing, Rainy, Snowy Days: Sierra Vista / Grand Junction
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 012 / 304 / 50 / 3
February0 / 06 / 244 / 50 / 2
March0 / 03 / 153 / 70 / 2
April1 / 01 / 62 / 70 / 1
May8 / 10 / 02 / 60 / 0
June22 / 120 / 03 / 40 / 0
July19 / 220 / 011 / 50 / 0
August13 / 160 / 012 / 70 / 0
September8 / 30 / 05 / 70 / 0
October1 / 00 / 43 / 60 / 0
November0 / 03 / 212 / 60 / 2
December0 / 010 / 303 / 50 / 3
June is the hottest month for Sierra Vista with an average high temperature of 93.0°, which ranks it as cooler than most places in Arizona. In Sierra Vista, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sierra Vista are October, April and May.

July is the hottest month for Grand Junction with an average high temperature of 92.8°, which ranks it as one of the hottest places in Colorado. In Grand Junction, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Junction are May, September and June.
January has the coldest nighttime temperatures for Sierra Vista with an average of 34.2°. This is about average compared to other places in Arizona.

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.

In Sierra Vista, there are 72.1 days annually when the high temperature is over 90°, which is cooler than most places in Arizona.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.

In Sierra Vista, there are 35.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Arizona.

In Grand Junction, there are 130.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Colorado.

In Sierra Vista, 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 Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.

August is the wettest month in Sierra Vista with 3.7 inches of rain, and the driest month is May with 0.3 inches. The wettest season is Autumn with 50% of yearly precipitation and 9% occurs in Summer, which is the driest season. The annual rainfall of 15.2 inches in Sierra Vista means that it is wetter than most places in Arizona.


September is the wettest month in Grand Junction with 1.2 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Winter with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 9.9 inches in Grand Junction means that it is one of the driest places in Colorado.

August is the rainiest month in Sierra Vista with 11.6 days of rain, and May is the driest month with only 1.5 rainy days. There are 53.2 rainy days annually in Sierra Vista, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 47% of the time and the driest is Summer with only a 11% chance of a rainy day.

April is the rainiest month in Grand Junction with 6.9 days of rain, and June is the driest month with only 3.8 rainy days. There are 68.9 rainy days annually in Grand Junction, which is less rainy than most places in Colorado. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 1.2 inches in Sierra Vista means that it is about average compared to other places in Arizona.

An annual snowfall of 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.
January is the snowiest month in Sierra Vista with 0.5 inches of snow, and 1 month of the year have significant snowfall.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 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 Sierra Vista    2 Reviews

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

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 Sierra Vista

Reviews for Grand Junction    2 Reviews

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

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 Grand Junction

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Zips In Sierra Vista, Arizona
85635, 85613
Zips In GRAND JUNCTION, COLORADO
81501, 81503, 81506, 81505
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