2025 Compare Climate & Weather:
Lewistown, MT vs Vernal, UT

Highlights

On average, there are 238 sunny days per year in Vernal. Lewistown averages 196 sunny days per year. The US average is 205 sunny days.

Vernal, Utah gets 8.4 inches of rain, on average, per year. Lewistown, Montana gets 15.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Vernal averages 17.7 inches of snow per year. Lewistown averages 72.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Vernal, Utah
Summer High: the July high is around 90.2 degrees
Winter Low: the January low is 7.8
Rain: averages 8.4 inches of rain a year
Snow: averages 17.7 inches of snow a year

Lewistown, Montana
Summer High: the July high is around 81 degrees
Winter Low: the January low is 13.5
Rain: averages 15.8 inches of rain a year
Snow: averages 72.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Vernal is 7.0 (10=best), which means it is about average compared to other places in Utah.

The annual BestPlaces Comfort Index for Lewistown is 6.5 (10=best), which means it is less comfortable than most places in Montana.

Today's Weather - Lewistown, MT

72°F

Today's Weather - Vernal, UT

78°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lewistown / Vernal

August is the hottest month for Lewistown with an average high temperature of 81.1°, which ranks it as cooler than most places in Montana. In Lewistown, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewistown are July, August and June.

July is the hottest month for Vernal with an average high temperature of 90.2°, which ranks it as about average compared to other places in Utah. In Vernal, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Vernal are September, June and May.

January has the coldest nighttime temperatures for Lewistown with an average of 13.5°. This is about average compared to other places in Montana.

January has the coldest nighttime temperatures for Vernal with an average of 7.8°. This is one of the coldest places in Utah.

In Lewistown, there are 10.5 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Vernal, there are 37.0 days annually when the high temperature is over 90°, which is about average compared to other places in Utah.

In Lewistown, there are 175.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In Vernal, there are 167.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Utah.

In Lewistown, there are 19.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

In Vernal, there are 15.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Utah.

June is the wettest month in Lewistown with 2.7 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 15.8 inches in Lewistown means that it is wetter than most places in Montana.


October is the wettest month in Vernal with 1.3 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Winter with 33% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 8.4 inches in Vernal means that it is one of the driest places in Utah.

June is the rainiest month in Lewistown with 12.7 days of rain, and February is the driest month with only 6.2 rainy days. There are 102.6 rainy days annually in Lewistown, which is rainier than most places in Montana. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.

May is the rainiest month in Vernal with 5.8 days of rain, and November is the driest month with only 4.3 rainy days. There are 59.3 rainy days annually in Vernal, which is less rainy than most places in Utah. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 72.3 inches in Lewistown means that it is snowier than most places in Montana.

An annual snowfall of 17.7 inches in Vernal means that it is less snowy than most places in Utah.

March is the snowiest month in Lewistown with 14.2 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Vernal with 6.5 inches of snow, and 5 months of the year have significant snowfall.