2025 Compare Climate & Weather:
Rock Springs, WY vs Vernal, UT

Highlights

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

Vernal, Utah gets 8.4 inches of rain, on average, per year. Rock Springs, Wyoming gets 8.9 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. Rock Springs averages 40.6 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

Rock Springs, Wyoming
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 10.1
Rain: averages 8.9 inches of rain a year
Snow: averages 40.6 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 Rock Springs is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

Today's Weather - Rock Springs, WY

40°F

Today's Weather - Vernal, UT

53°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rock Springs / Vernal

July is the hottest month for Rock Springs with an average high temperature of 85.8°, which ranks it as about average compared to other places in Wyoming. In Rock Springs, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rock Springs are June, September and August.

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 Rock Springs with an average of 10.1°. This is about average compared to other places in Wyoming.

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

In Rock Springs, there are 14.2 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

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 Rock Springs, there are 186.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wyoming.

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 Rock Springs, there are 15.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

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.

May is the wettest month in Rock Springs with 1.3 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 8.9 inches in Rock Springs means that it is drier than most places in Wyoming.


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.

May is the rainiest month in Rock Springs with 7.9 days of rain, and February is the driest month with only 5.1 rainy days. There are 72.1 rainy days annually in Rock Springs, which is about average compared to other places in Wyoming. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% 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 40.6 inches in Rock Springs means that it is less snowy than most places in Wyoming.

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

February is the snowiest month in Rock Springs with 7.1 inches of snow, and 8 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.