2025 Compare Climate & Weather:
Salt Lake City, UT vs Helena, MT

Highlights

On average, there are 189 sunny days per year in Helena. Salt Lake City averages 222 sunny days per year. The US average is 205 sunny days.

Helena, Montana gets 12.6 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.

Helena averages 42.1 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

Helena, Montana
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 13.8
Rain: averages 12.6 inches of rain a year
Snow: averages 42.1 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

The annual BestPlaces Comfort Index for Helena is 6.6 (10=best), which means it is about average compared to other places in Montana.

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.

Today's Weather - Salt Lake City, UT

49°F

Today's Weather - Helena, MT

36°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Salt Lake City / Helena

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 Helena with an average high temperature of 83.4°, which ranks it as cooler than most places in Montana. In Helena, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Helena are June, August and July.

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 Helena with an average of 13.6°. This is about average compared to other places in Montana.

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 Helena, there are 15.5 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

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 Helena, there are 170.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Montana.

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 Helena, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

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.


June is the wettest month in Helena with 2.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 12.6 inches in Helena means that it is drier than most places in Montana.

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.

May is the rainiest month in Helena with 11.0 days of rain, and February is the driest month with only 5.5 rainy days. There are 89.6 rainy days annually in Helena, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 21% 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 42.1 inches in Helena means that it is about average compared to other places in Montana.

December is the snowiest month in Salt Lake City with 12.1 inches of snow, and 7 months of the year have significant snowfall.

March is the snowiest month in Helena with 7.4 inches of snow, and 9 months of the year have significant snowfall.