2025 Compare Climate & Weather:
Sundance, WY vs Upton, WY

Highlights

On average, there are 224 sunny days per year in Upton. Sundance averages 226 sunny days per year. The US average is 205 sunny days.

Upton, Wyoming gets 14.6 inches of rain, on average, per year. Sundance, Wyoming gets 21.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Upton averages 41 inches of snow per year. Sundance averages 113 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Upton, Wyoming
Summer High: the July high is around 87 degrees
Winter Low: the January low is 10.6
Rain: averages 14.6 inches of rain a year
Snow: averages 41 inches of snow a year

Sundance, Wyoming
Summer High: the July high is around 81.2 degrees
Winter Low: the January low is 12.4
Rain: averages 21.6 inches of rain a year
Snow: averages 113 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Upton is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

The annual BestPlaces Comfort Index for Sundance is 6.3 (10=best), which means it is less comfortable than most places in Wyoming.

Today's Weather - Sundance, WY

53°F

Today's Weather - Upton, WY

57°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sundance / Upton

July is the hottest month for Sundance with an average high temperature of 81.2°, which ranks it as cooler than most places in Wyoming. In Sundance, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sundance are August, July and June.

July is the hottest month for Upton with an average high temperature of 87.0°, which ranks it as warmer than most places in Wyoming. In Upton, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Upton are June, September and August.

December has the coldest nighttime temperatures for Sundance with an average of 12.0°. This is warmer than most places in Wyoming.

December has the coldest nighttime temperatures for Upton with an average of 9.6°. This is about average compared to other places in Wyoming.

In Sundance, there are 11.0 days annually when the high temperature is over 90°, which is cooler than most places in Wyoming.

In Upton, there are 27.4 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.

In Sundance, there are 184.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wyoming.

In Upton, there are 183.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

In Sundance, there are 16.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

In Upton, there are 20.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Wyoming.

May is the wettest month in Sundance with 3.4 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Summer with 33% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 21.6 inches in Sundance means that it is one of the wettest places in Wyoming.


May is the wettest month in Upton with 2.6 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 14.6 inches in Upton means that it is wetter than most places in Wyoming.

May is the rainiest month in Sundance with 12.0 days of rain, and September is the driest month with only 7.1 rainy days. There are 107.1 rainy days annually in Sundance, which is rainier than most places in Wyoming. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in Upton with 8.8 days of rain, and January is the driest month with only 3.7 rainy days. There are 65.4 rainy days annually in Upton, which is less rainy than most places in Wyoming. The rainiest season is Summer when it rains 32% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 113.0 inches in Sundance means that it is one of the snowiest places in Wyoming.

An annual snowfall of 41.0 inches in Upton means that it is less snowy than most places in Wyoming.

April is the snowiest month in Sundance with 19.7 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Upton with 7.5 inches of snow, and 8 months of the year have significant snowfall.