2025 Compare Climate & Weather:
Huron, SD vs Casper, WY

Highlights

On average, there are 220 sunny days per year in Casper. Huron averages 213 sunny days per year. The US average is 205 sunny days.

Casper, Wyoming gets 13 inches of rain, on average, per year. Huron, South Dakota gets 23.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Casper averages 70.3 inches of snow per year. Huron averages 36.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Casper, Wyoming
Summer High: the July high is around 88.2 degrees
Winter Low: the January low is 15.4
Rain: averages 13 inches of rain a year
Snow: averages 70.3 inches of snow a year

Huron, South Dakota
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 6
Rain: averages 23.1 inches of rain a year
Snow: averages 36.8 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Huron is 6.8 (10=best), which means it is about average compared to other places in South Dakota.

Today's Weather - Huron, SD

87°F

Today's Weather - Casper, WY

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Huron / Casper

July is the hottest month for Huron with an average high temperature of 86.2°, which ranks it as warmer than most places in South Dakota. In Huron, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Huron are June, September and August.

July is the hottest month for Casper with an average high temperature of 88.2°, which ranks it as warmer than most places in Wyoming. In Casper, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Casper are June, September and August.

January has the coldest nighttime temperatures for Huron with an average of 6.0°. This is about average compared to other places in South Dakota.

January has the coldest nighttime temperatures for Casper with an average of 15.4°. This is one of the warmest places in Wyoming.

In Huron, there are 22.5 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.

In Casper, there are 29.7 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.

In Huron, there are 165.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.

In Casper, there are 168.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Wyoming.

In Huron, there are 27.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.

In Casper, there are 12.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

June is the wettest month in Huron with 3.8 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 40% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 23.1 inches in Huron means that it is about average compared to other places in South Dakota.


May is the wettest month in Casper with 2.2 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Summer with 35% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 13.0 inches in Casper means that it is about average compared to other places in Wyoming.

June is the rainiest month in Huron with 9.9 days of rain, and January is the driest month with only 4.6 rainy days. There are 80.6 rainy days annually in Huron, which is about average compared to other places in South Dakota. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 18% chance of a rainy day.

May is the rainiest month in Casper with 10.0 days of rain, and January is the driest month with only 5.0 rainy days. There are 79.2 rainy days annually in Casper, which is rainier 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 20% chance of a rainy day.

An annual snowfall of 36.8 inches in Huron means that it is about average compared to other places in South Dakota.

An annual snowfall of 70.3 inches in Casper means that it is snowier than most places in Wyoming.

March is the snowiest month in Huron with 7.2 inches of snow, and 7 months of the year have significant snowfall.

March is the snowiest month in Casper with 11.5 inches of snow, and 9 months of the year have significant snowfall.