2025 Compare Climate & Weather:
Gillette, WY vs Winterset, IA

Highlights

On average, there are 204 sunny days per year in Winterset. Gillette averages 209 sunny days per year. The US average is 205 sunny days.

Winterset, Iowa gets 35.6 inches of rain, on average, per year. Gillette, Wyoming gets 15.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Winterset averages 29.3 inches of snow per year. Gillette averages 52.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Winterset, Iowa
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 12
Rain: averages 35.6 inches of rain a year
Snow: averages 29.3 inches of snow a year

Gillette, Wyoming
Summer High: the July high is around 86.8 degrees
Winter Low: the January low is 12.9
Rain: averages 15.4 inches of rain a year
Snow: averages 52.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Winterset is 7.1 (10=best), which means it is one of the most pleasant places in Iowa.

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

Today's Weather - Gillette, WY

59°F

Today's Weather - Winterset, IA

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Gillette / Winterset

July is the hottest month for Gillette with an average high temperature of 86.8°, which ranks it as warmer than most places in Wyoming. In Gillette, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gillette are June, September and August.

July is the hottest month for Winterset with an average high temperature of 84.8°, which ranks it as warmer than most places in Iowa. In Winterset, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Winterset are September, June and August.

December has the coldest nighttime temperatures for Gillette with an average of 12.1°. This is warmer than most places in Wyoming.

January has the coldest nighttime temperatures for Winterset with an average of 12.0°. This is warmer than most places in Iowa.

In Gillette, there are 28.1 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.

In Winterset, there are 14.7 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Gillette, there are 178.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

In Winterset, there are 141.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Gillette, there are 16.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

In Winterset, there are 15.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

May is the wettest month in Gillette with 2.8 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 36% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 15.4 inches in Gillette means that it is wetter than most places in Wyoming.


May is the wettest month in Winterset with 5.0 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 35.6 inches in Winterset means that it is about average compared to other places in Iowa.

May is the rainiest month in Gillette with 9.8 days of rain, and January is the driest month with only 5.1 rainy days. There are 80.3 rainy days annually in Gillette, which is rainier than most places in Wyoming. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 20% chance of a rainy day.

May is the rainiest month in Winterset with 11.0 days of rain, and January is the driest month with only 5.1 rainy days. There are 90.6 rainy days annually in Winterset, which is less rainy than most places in Iowa. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 52.6 inches in Gillette means that it is about average compared to other places in Wyoming.

An annual snowfall of 29.3 inches in Winterset means that it is about average compared to other places in Iowa.

March is the snowiest month in Gillette with 10.0 inches of snow, and 9 months of the year have significant snowfall.

February is the snowiest month in Winterset with 7.9 inches of snow, and 7 months of the year have significant snowfall.