2025 Compare Climate & Weather:
Gillette, WY vs Billings, MT

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Highlights

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

Billings, Montana gets 14.2 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.

Billings averages 46.3 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

Billings, Montana
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 15.8
Rain: averages 14.2 inches of rain a year
Snow: averages 46.3 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

Billings

The annual BestPlaces Comfort Index for Billings is 7.0 (10=best), which means it is one of the most pleasant places in Montana.

7 / 10

June, September and August are the most pleasant months in Billings, while December and January are the least comfortable months.

Gillette

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

6.8 / 10

August, July and June are the most pleasant months in Gillette, while December and January are the least comfortable months.

Average Monthly High / Low (°F)

Month	Gillette, WY	Billings, MT
January	37° / 13°	38° / 16°
February	38° / 16°	42° / 19°
March	47° / 23°	52° / 26°
April	56° / 30°	60° / 34°
May	66° / 40°	70° / 43°
June	77° / 48°	79° / 51°
July	87° / 56°	88° / 57°
August	86° / 54°	87° / 55°
September	74° / 44°	75° / 46°
October	59° / 32°	62° / 36°
November	45° / 21°	47° / 25°
December	35° / 12°	37° / 16°

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

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	30 / 28	5 / 5	5 / 6
February	0 / 0	27 / 25	5 / 6	5 / 5
March	0 / 0	27 / 23	7 / 7	5 / 5
April	0 / 0	18 / 12	9 / 9	3 / 3
May	0 / 1	5 / 2	10 / 11	1 / 1
June	3 / 4	0 / 0	9 / 11	0 / 0
July	12 / 14	0 / 0	7 / 7	0 / 0
August	10 / 12	0 / 0	6 / 6	0 / 0
September	3 / 3	2 / 1	6 / 7	0 / 0
October	0 / 0	15 / 9	7 / 7	2 / 2
November	0 / 0	26 / 23	5 / 6	4 / 4
December	0 / 0	30 / 29	6 / 6	6 / 6

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 Billings with an average high temperature of 88.3°, which ranks it as one of the hottest places in Montana. In Billings, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Billings are June, September and May.

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 Billings with an average of 15.8°. This is warmer than most places in Montana.

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

In Billings, there are 33.1 days annually when the high temperature is over 90°, which is one of the hottest places in Montana.

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 Billings, there are 151.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Montana.

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 Billings, there are 12.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

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 Billings with 2.3 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Summer with 35% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 14.2 inches in Billings means that it is about average compared to other places in Montana.

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 Billings with 11.0 days of rain, and January is the driest month with only 5.4 rainy days. There are 88.3 rainy days annually in Billings, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 19% 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 46.3 inches in Billings means that it is snowier than most places in Montana.

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

March is the snowiest month in Billings with 9.2 inches of snow, and 9 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Gillette 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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Reviews for Billings 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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2025 Compare Climate & Weather:
Gillette, WY vs Billings, MT

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

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

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 Billings with an average of 15.8°. This is warmer than most places in Montana.

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

In Billings, there are 33.1 days annually when the high temperature is over 90°, which is one of the hottest places in Montana.

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 Billings, there are 151.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Montana.

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 Billings, there are 12.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

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 46.3 inches in Billings means that it is snowier than most places in Montana.

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

March is the snowiest month in Billings with 9.2 inches of snow, and 9 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Gillette 2 Reviews

Reviews for Billings 2 Reviews

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2025 Compare Climate & Weather:Gillette, WY vs Billings, MT

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

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

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 Billings with an average of 15.8°. This is warmer than most places in Montana.

In Gillette, there are 28.1 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.In Billings, there are 33.1 days annually when the high temperature is over 90°, which is one of the hottest places in Montana.

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 Billings, there are 151.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Montana.

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 Billings, there are 12.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

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 46.3 inches in Billings means that it is snowier than most places in Montana.

March is the snowiest month in Gillette with 10.0 inches of snow, and 9 months of the year have significant snowfall.March is the snowiest month in Billings with 9.2 inches of snow, and 9 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Gillette 2 Reviews

Reviews for Billings 2 Reviews

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Zips In Gillette, Wyoming

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2025 Compare Climate & Weather:
Gillette, WY vs Billings, MT

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 Billings with an average of 15.8°. This is warmer than most places in Montana.

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

In Billings, there are 33.1 days annually when the high temperature is over 90°, which is one of the hottest places in Montana.

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 Billings, there are 151.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Montana.

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 Billings, there are 12.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

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 46.3 inches in Billings means that it is snowier than most places in Montana.

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

March is the snowiest month in Billings with 9.2 inches of snow, and 9 months of the year have significant snowfall.