2025 Compare Climate & Weather:
Gillette, WY vs Trenton, MI

Highlights

On average, there are 180 sunny days per year in Trenton. Gillette averages 209 sunny days per year. The US average is 205 sunny days.

Trenton, Michigan gets 34 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.

Trenton averages 34.8 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

Trenton, Michigan
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 17.8
Rain: averages 34 inches of rain a year
Snow: averages 34.8 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 Trenton is 6.9 (10=best), which means it is one of the most pleasant places in Michigan.

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

55°F

Today's Weather - Trenton, MI

68°F

Average Monthly High / Low (°F)

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

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 Trenton with an average high temperature of 83.5°, which ranks it as one of the hottest places in Michigan. In Trenton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Trenton 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 Trenton with an average of 17.8°. This is warmer than most places in Michigan.

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

In Trenton, there are 9.2 days annually when the high temperature is over 90°, which is one of the hottest places in Michigan.

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 Trenton, there are 127.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Michigan.

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 Trenton, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

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.


September is the wettest month in Trenton with 3.4 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 34.0 inches in Trenton means that it is about average compared to other places in Michigan.

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.

December is the rainiest month in Trenton with 12.0 days of rain, and February is the driest month with only 9.2 rainy days. There are 124.4 rainy days annually in Trenton, which is less rainy than most places in Michigan. The rainiest season is Summer when it rains 27% of the time and the driest is Autumn with only a 23% 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 34.8 inches in Trenton means that it is less snowy than most places in Michigan.

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 Trenton with 10.6 inches of snow, and 6 months of the year have significant snowfall.