2025 Compare Climate & Weather:
Salt Lake City, UT vs Boise City, ID

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Highlights

On average, there are 206 sunny days per year in Boise City. Salt Lake City averages 222 sunny days per year. The US average is 205 sunny days.

Boise City, Idaho gets 13 inches of rain, on average, per year. Salt Lake City, Utah gets 19.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Boise City averages 17.5 inches of snow per year. Salt Lake City averages 53.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Boise City, Idaho
Summer High: the July high is around 91.6 degrees
Winter Low: the January low is 23.7
Rain: averages 13 inches of rain a year
Snow: averages 17.5 inches of snow a year

Salt Lake City, Utah
Summer High: the July high is around 91 degrees
Winter Low: the January low is 23.3
Rain: averages 19.5 inches of rain a year
Snow: averages 53.6 inches of snow a year

BestPlaces Comfort Index
Boise City

The annual BestPlaces Comfort Index for Boise is 7.3 (10=best), which means it is one of the most pleasant places in Idaho.

7.3 / 10
September, June and May are the most pleasant months in Boise, while December and January are the least comfortable months.

Salt Lake City

The annual BestPlaces Comfort Index for Salt Lake City is 7.2 (10=best), which means it is more comfortable than most places in Utah.

7.2 / 10
June, September and May are the most pleasant months in Salt Lake City, while January and December are the least comfortable months.

Today's Weather - Salt Lake City, UT

10 AM PST

Slight Chance Rain Showers then Chance Showers And Thunderstorms

69°F

DAYDESCRIPTIONHIGH / LOWWIND
TodaySlight Chance Rain Showers then Chance Showers And Thunderstorms72° / 50°SSW 8 mph
MondayShowers And Thunderstorms63° / 49°NW 5 to 12 mph
TuesdayChance Rain Showers62° / 46°N 7 mph
WednesdaySunny then Slight Chance Rain Showers70° / 52°NNW 3 to 7 mph
ThursdaySunny79° / 55°S 7 mph
FridaySunny83° / 58°S 6 mph
SaturdayMostly Sunny then Slight Chance Showers And Thunderstorms84° / 61°S 8 mph
Today's Weather - Boise City, ID

10 AM PST

Slight Chance Rain Showers then Partly Sunny

50°F

DAYDESCRIPTIONHIGH / LOWWIND
TodaySlight Chance Rain Showers then Partly Sunny60° / 43°NW 17 mph
MondaySunny70° / 43°NW 14 to 20 mph
TuesdaySunny71° / 48°WNW 6 mph
WednesdaySunny82° / 54°SE 5 to 8 mph
ThursdaySunny81° / 55°NW 5 to 8 mph
FridaySunny88° / 58°S 2 to 6 mph
SaturdayMostly Sunny89° / 57°S 3 to 7 mph
Average Monthly High / Low (°F)
MonthSalt Lake City, UTBoise City, ID
January38° / 23°38° / 24°
February43° / 27°46° / 27°
March53° / 35°56° / 33°
April61° / 40°64° / 38°
May71° / 49°73° / 45°
June82° / 58°82° / 52°
July91° / 66°92° / 58°
August89° / 64°90° / 56°
September78° / 54°80° / 48°
October65° / 43°66° / 39°
November50° / 32°49° / 31°
December39° / 24°38° / 23°
Hot, Freezing, Rainy, Snowy Days: Salt Lake City / Boise City
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 026 / 2410 / 107 / 4
February0 / 020 / 209 / 95 / 2
March0 / 011 / 139 / 104 / 1
April0 / 04 / 710 / 92 / 0
May0 / 20 / 29 / 80 / 0
June6 / 70 / 05 / 50 / 0
July19 / 200 / 04 / 30 / 0
August15 / 170 / 05 / 20 / 0
September2 / 50 / 16 / 40 / 0
October0 / 03 / 67 / 61 / 0
November0 / 015 / 169 / 113 / 2
December0 / 026 / 269 / 116 / 4
July is the hottest month for Salt Lake City with an average high temperature of 91.0°, which ranks it as warmer than most places in Utah. In Salt Lake City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Salt Lake City are September, June and May.

July is the hottest month for Boise with an average high temperature of 91.6°, which ranks it as one of the hottest places in Idaho. In Boise, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boise are September, June and May.
January has the coldest nighttime temperatures for Salt Lake City with an average of 23.3°. This is one of the warmest places in Utah.

December has the coldest nighttime temperatures for Boise with an average of 22.7°. This is warmer than most places in Idaho.

In Salt Lake City, there are 41.8 days annually when the high temperature is over 90°, which is hotter than most places in Utah.

In Boise, there are 51.0 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

In Salt Lake City, there are 104.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Utah.

In Boise, there are 114.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

In Salt Lake City, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Utah.

In Boise, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

April is the wettest month in Salt Lake City with 2.4 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Summer with 36% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 19.5 inches in Salt Lake City means that it is wetter than most places in Utah.


December is the wettest month in Boise with 1.9 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 35% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 13.0 inches in Boise means that it is about average compared to other places in Idaho.

April is the rainiest month in Salt Lake City with 9.7 days of rain, and July is the driest month with only 4.1 rainy days. There are 91.4 rainy days annually in Salt Lake City, which is rainier than most places in Utah. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 16% chance of a rainy day.

December is the rainiest month in Boise with 11.3 days of rain, and August is the driest month with only 2.3 rainy days. There are 87.0 rainy days annually in Boise, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 53.6 inches in Salt Lake City means that it is snowier than most places in Utah.

An annual snowfall of 17.5 inches in Boise means that it is less snowy than most places in Idaho.
December is the snowiest month in Salt Lake City with 12.1 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Boise with 6.4 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 Salt Lake 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

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Reviews for Boise 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

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Zips In Salt Lake City, Utah
84106, 84116, 84104, 84105, 84103, 84108, 84102, 84111, 84101, 84112, 12 total
Zips In BOISE CITY, IDAHO
83709, 83704, 83706, 83713, 83705, 83702, 83716, 83703, 83712
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