The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Sierra Vista, AZ vs Mountain Home, ID

2025 Compare Climate & Weather:
Sierra Vista, AZ vs Mountain Home, ID

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Highlights

On average, there are 210 sunny days per year in Mountain Home. Sierra Vista averages 284 sunny days per year. The US average is 205 sunny days.

Mountain Home, Idaho gets 12 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.

Mountain Home averages 14.7 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

Mountain Home, Idaho
Summer High: the July high is around 92.9 degrees
Winter Low: the January low is 22.8
Rain: averages 12 inches of rain a year
Snow: averages 14.7 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
Mountain Home

The annual BestPlaces Comfort Index for Mountain Home is 7.2 (10=best), which means it is one of the most pleasant places in Idaho.

7.2 / 10
June, September and May are the most pleasant months in Mountain Home, while December and January 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.

Average Monthly High / Low (°F)
MonthSierra Vista, AZMountain Home, ID
January61° / 34°39° / 23°
February64° / 37°45° / 25°
March70° / 41°55° / 31°
April77° / 47°64° / 37°
May85° / 55°73° / 44°
June93° / 63°83° / 52°
July92° / 66°93° / 58°
August89° / 65°92° / 57°
September87° / 61°81° / 47°
October79° / 51°67° / 37°
November69° / 41°49° / 29°
December61° / 35°38° / 22°
Hot, Freezing, Rainy, Snowy Days: Sierra Vista / Mountain Home
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 012 / 264 / 80 / 2
February0 / 06 / 224 / 70 / 2
March0 / 03 / 173 / 80 / 0
April1 / 01 / 82 / 80 / 0
May8 / 20 / 12 / 60 / 0
June22 / 80 / 03 / 50 / 0
July19 / 210 / 011 / 20 / 0
August13 / 200 / 012 / 20 / 0
September8 / 60 / 15 / 30 / 0
October1 / 00 / 83 / 50 / 0
November0 / 03 / 192 / 90 / 1
December0 / 010 / 263 / 90 / 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 Mountain Home with an average high temperature of 92.9°, which ranks it as one of the hottest places in Idaho. In Mountain Home, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mountain Home are September, June and May.
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.

December has the coldest nighttime temperatures for Mountain Home with an average of 22.4°. This is warmer than most places in Idaho.

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 Mountain Home, there are 58.4 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

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 Mountain Home, there are 126.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

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 Mountain Home, there are 1.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Idaho.

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.


December is the wettest month in Mountain Home with 1.9 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 37% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 12.0 inches in Mountain Home means that it is drier than most places in Idaho.

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.

November is the rainiest month in Mountain Home with 9.1 days of rain, and August is the driest month with only 1.6 rainy days. There are 70.7 rainy days annually in Mountain Home, which is one of the least rainy places in Idaho. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 11% 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 14.7 inches in Mountain Home means that it is less snowy than most places in Idaho.
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 Mountain Home with 5.4 inches of snow, and 5 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
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 Sierra Vista

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Reviews for Mountain Home    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 Mountain Home

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Zips In Sierra Vista, Arizona
85635, 85613
Zips In MOUNTAIN HOME, IDAHO
83647
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