2025 Compare Climate & Weather:
Gillette, WY vs Indiana township (Allegheny County), PA

Highlights

On average, there are 162 sunny days per year in Indiana township (Allegheny County). Gillette averages 209 sunny days per year. The US average is 205 sunny days.

Indiana township (Allegheny County), Pennsylvania gets 40.4 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.

Indiana township (Allegheny County) averages 34.4 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

Indiana township (Allegheny County), Pennsylvania
Summer High: the July high is around 83 degrees
Winter Low: the January low is 20.2
Rain: averages 40.4 inches of rain a year
Snow: averages 34.4 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 Indiana is 7.0 (10=best), which means it is more comfortable than most places in Pennsylvania.

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

41°F

Today's Weather - Indiana township (Allegheny County), PA

59°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Gillette / Indiana township (Allegheny County)

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 Indiana with an average high temperature of 83.0°, which ranks it as about average compared to other places in Pennsylvania. In Indiana, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Indiana are June, September 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 Indiana with an average of 20.2°. This is warmer than most places in Pennsylvania.

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

In Indiana, there are 7.7 days annually when the high temperature is over 90°, which is about average compared to other places in Pennsylvania.

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 Indiana, there are 119.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

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 Indiana, there are 2.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Pennsylvania.

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.


July is the wettest month in Indiana with 4.1 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 40.4 inches in Indiana means that it is drier than most places in Pennsylvania.

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.

January is the rainiest month in Indiana with 15.0 days of rain, and August is the driest month with only 9.3 rainy days. There are 143.9 rainy days annually in Indiana, which is rainier than most places in Pennsylvania. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 22% 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 34.4 inches in Indiana means that it is snowier than most places in Pennsylvania.

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

January is the snowiest month in Indiana with 10.5 inches of snow, and 6 months of the year have significant snowfall.