2025 Compare Climate & Weather:
Hill City, SD vs Sheridan, WY

Highlights

On average, there are 208 sunny days per year in Sheridan. Hill City averages 228 sunny days per year. The US average is 205 sunny days.

Sheridan, Wyoming gets 12.9 inches of rain, on average, per year. Hill City, South Dakota gets 20.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sheridan averages 34.7 inches of snow per year. Hill City averages 55.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sheridan, Wyoming
Summer High: the July high is around 87.1 degrees
Winter Low: the January low is 10.7
Rain: averages 12.9 inches of rain a year
Snow: averages 34.7 inches of snow a year

Hill City, South Dakota
Summer High: the July high is around 80.3 degrees
Winter Low: the January low is 15.9
Rain: averages 20.8 inches of rain a year
Snow: averages 55.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Hill City is 6.7 (10=best), which means it is less comfortable than most places in South Dakota.

Today's Weather - Hill City, SD

56°F

Today's Weather - Sheridan, WY

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hill City / Sheridan

July is the hottest month for Hill City with an average high temperature of 80.3°, which ranks it as one of the coolest places in South Dakota. In Hill City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hill City are August, July and June.

July is the hottest month for Sheridan with an average high temperature of 87.1°, which ranks it as warmer than most places in Wyoming. In Sheridan, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sheridan are June, September and August.

December has the coldest nighttime temperatures for Hill City with an average of 15.1°. This is one of the warmest places in South Dakota.

December has the coldest nighttime temperatures for Sheridan with an average of 9.7°. This is about average compared to other places in Wyoming.

In Hill City, there are 7.0 days annually when the high temperature is over 90°, which is one of the coolest places in South Dakota.

In Sheridan, there are 28.7 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.

In Hill City, there are 172.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.

In Sheridan, there are 189.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wyoming.

In Hill City, there are 13.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in South Dakota.

In Sheridan, there are 20.2 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 Hill City with 3.9 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 40% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 20.8 inches in Hill City means that it is drier than most places in South Dakota.


June is the wettest month in Sheridan with 2.2 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 34% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 12.9 inches in Sheridan means that it is about average compared to other places in Wyoming.

May is the rainiest month in Hill City with 12.6 days of rain, and January is the driest month with only 4.0 rainy days. There are 93.4 rainy days annually in Hill City, which is one of the rainiest places in South Dakota. The rainiest season is Autumn when it rains 36% of the time and the driest is Spring with only a 14% chance of a rainy day.

May is the rainiest month in Sheridan with 9.8 days of rain, and August is the driest month with only 4.8 rainy days. There are 79.7 rainy days annually in Sheridan, which is rainier than most places in Wyoming. The rainiest season is Summer when it rains 33% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 55.4 inches in Hill City means that it is one of the snowiest places in South Dakota.

An annual snowfall of 34.7 inches in Sheridan means that it is less snowy than most places in Wyoming.

April is the snowiest month in Hill City with 11.7 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Sheridan with 6.5 inches of snow, and 9 months of the year have significant snowfall.