2025 Compare Climate & Weather:
Longmont, CO vs Billings, MT

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Highlights

On average, there are 205 sunny days per year in Billings. Longmont averages 247 sunny days per year. The US average is 205 sunny days.

Billings, Montana gets 14.2 inches of rain, on average, per year. Longmont, Colorado gets 14.8 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. Longmont averages 36.4 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

Longmont, Colorado
Summer High: the July high is around 89.1 degrees
Winter Low: the January low is 12.5
Rain: averages 14.8 inches of rain a year
Snow: averages 36.4 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.

Longmont

The annual BestPlaces Comfort Index for Longmont is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

7.2 / 10

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

Average Monthly High / Low (°F)

Month	Longmont, CO	Billings, MT
January	44° / 13°	38° / 16°
February	47° / 16°	42° / 19°
March	55° / 23°	52° / 26°
April	63° / 31°	60° / 34°
May	72° / 41°	70° / 43°
June	83° / 49°	79° / 51°
July	89° / 55°	88° / 57°
August	87° / 53°	87° / 55°
September	79° / 43°	75° / 46°
October	66° / 32°	62° / 36°
November	53° / 21°	47° / 25°
December	44° / 12°	37° / 16°

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

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	31 / 28	4 / 5	3 / 6
February	0 / 0	27 / 25	5 / 6	3 / 5
March	0 / 0	27 / 23	6 / 7	3 / 5
April	0 / 0	16 / 12	8 / 9	2 / 3
May	1 / 1	3 / 2	10 / 11	0 / 1
June	7 / 4	0 / 0	9 / 11	0 / 0
July	16 / 14	0 / 0	8 / 7	0 / 0
August	11 / 12	0 / 0	8 / 6	0 / 0
September	3 / 3	2 / 1	7 / 7	0 / 0
October	0 / 0	15 / 9	6 / 7	1 / 2
November	0 / 0	27 / 23	6 / 6	3 / 4
December	0 / 0	31 / 29	4 / 6	3 / 6

July is the hottest month for Longmont with an average high temperature of 89.1°, which ranks it as warmer than most places in Colorado. In Longmont, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Longmont are September, June and May.

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 Longmont with an average of 12.2°. This is colder than most places in Colorado.

January has the coldest nighttime temperatures for Billings with an average of 15.8°. This is warmer than most places in Montana.

In Longmont, there are 37.5 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

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 Longmont, there are 178.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

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 Longmont, there are 11.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

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 Longmont with 2.3 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Summer with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.8 inches in Longmont means that it is drier than most places in Colorado.

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 Longmont with 9.8 days of rain, and January is the driest month with only 4.2 rainy days. There are 79.2 rainy days annually in Longmont, which is about average compared to other places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% 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 36.4 inches in Longmont means that it is less snowy than most places in Colorado.

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 Longmont with 7.3 inches of snow, and 7 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 Longmont 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

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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

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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:
Longmont, CO vs Billings, MT

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

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

December has the coldest nighttime temperatures for Longmont with an average of 12.2°. This is colder than most places in Colorado.

January has the coldest nighttime temperatures for Billings with an average of 15.8°. This is warmer than most places in Montana.

In Longmont, there are 37.5 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

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 Longmont, there are 178.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

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 Longmont, there are 11.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

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 36.4 inches in Longmont means that it is less snowy than most places in Colorado.

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 Longmont with 7.3 inches of snow, and 7 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 Longmont 2 Reviews

Reviews for Billings 2 Reviews

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2025 Compare Climate & Weather:Longmont, CO vs Billings, MT

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

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

December has the coldest nighttime temperatures for Longmont with an average of 12.2°. This is colder than most places in Colorado.January has the coldest nighttime temperatures for Billings with an average of 15.8°. This is warmer than most places in Montana.

In Longmont, there are 37.5 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.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 Longmont, there are 178.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.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 Longmont, there are 11.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.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 36.4 inches in Longmont means that it is less snowy than most places in Colorado.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 Longmont with 7.3 inches of snow, and 7 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?

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Reviews for Billings 2 Reviews

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2025 Compare Climate & Weather:
Longmont, CO vs Billings, MT

December has the coldest nighttime temperatures for Longmont with an average of 12.2°. This is colder than most places in Colorado.

January has the coldest nighttime temperatures for Billings with an average of 15.8°. This is warmer than most places in Montana.

In Longmont, there are 37.5 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

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 Longmont, there are 178.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

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 Longmont, there are 11.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

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 36.4 inches in Longmont means that it is less snowy than most places in Colorado.

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 Longmont with 7.3 inches of snow, and 7 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.