2025 Compare Climate & Weather:
Westminster, CO vs Belle Fourche, SD

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Highlights

On average, there are 227 sunny days per year in Belle Fourche. Westminster averages 242 sunny days per year. The US average is 205 sunny days.

Belle Fourche, South Dakota gets 17.9 inches of rain, on average, per year. Westminster, Colorado gets 16.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Belle Fourche averages 30.2 inches of snow per year. Westminster averages 63.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Belle Fourche, South Dakota
Summer High: the July high is around 87.3 degrees
Winter Low: the January low is 12.5
Rain: averages 17.9 inches of rain a year
Snow: averages 30.2 inches of snow a year

Westminster, Colorado
Summer High: the July high is around 89.5 degrees
Winter Low: the January low is 18.4
Rain: averages 16.9 inches of rain a year
Snow: averages 63.8 inches of snow a year

BestPlaces Comfort Index

Belle Fourche

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

7 / 10

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

Westminster

The annual BestPlaces Comfort Index for Westminster 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 Westminster, while December and January are the least comfortable months.

Average Monthly High / Low (°F)

Month	Westminster, CO	Belle Fourche, SD
January	48° / 18°	37° / 13°
February	49° / 20°	39° / 14°
March	56° / 27°	48° / 23°
April	63° / 34°	59° / 32°
May	72° / 43°	68° / 43°
June	83° / 52°	78° / 52°
July	90° / 57°	87° / 58°
August	87° / 56°	87° / 56°
September	79° / 47°	76° / 46°
October	67° / 36°	62° / 34°
November	55° / 26°	47° / 23°
December	46° / 18°	37° / 13°

Hot, Freezing, Rainy, Snowy Days: Westminster / Belle Fourche

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	29 / 29	5 / 5	5 / 3
February	0 / 0	26 / 26	5 / 4	5 / 3
March	0 / 0	23 / 26	7 / 6	5 / 3
April	0 / 0	12 / 14	9 / 8	4 / 2
May	1 / 0	1 / 3	10 / 10	1 / 0
June	7 / 3	0 / 0	8 / 10	0 / 0
July	16 / 12	0 / 0	8 / 8	0 / 0
August	11 / 11	0 / 0	9 / 6	0 / 0
September	4 / 4	1 / 2	7 / 5	0 / 0
October	0 / 0	9 / 12	6 / 6	2 / 1
November	0 / 0	23 / 25	6 / 5	4 / 2
December	0 / 0	29 / 30	5 / 5	5 / 3

July is the hottest month for Westminster with an average high temperature of 89.5°, which ranks it as warmer than most places in Colorado. In Westminster, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westminster are September, June and May.

July is the hottest month for Belle Fourche with an average high temperature of 87.3°, which ranks it as warmer than most places in South Dakota. In Belle Fourche, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Belle Fourche are June, September and August.

December has the coldest nighttime temperatures for Westminster with an average of 17.8°. This is warmer than most places in Colorado.

January has the coldest nighttime temperatures for Belle Fourche with an average of 12.5°. This is one of the warmest places in South Dakota.

In Westminster, there are 39.7 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Belle Fourche, there are 31.2 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Westminster, there are 152.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

In Belle Fourche, there are 167.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.

In Westminster, there are 5.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

In Belle Fourche, there are 18.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

May is the wettest month in Westminster with 2.4 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 36% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 16.9 inches in Westminster means that it is about average compared to other places in Colorado.

May is the wettest month in Belle Fourche with 3.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 35% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 17.9 inches in Belle Fourche means that it is one of the driest places in South Dakota.

May is the rainiest month in Westminster with 10.2 days of rain, and January is the driest month with only 4.6 rainy days. There are 84.4 rainy days annually in Westminster, which is rainier than most places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 18% chance of a rainy day.

May is the rainiest month in Belle Fourche with 10.0 days of rain, and February is the driest month with only 4.2 rainy days. There are 76.6 rainy days annually in Belle Fourche, which is less rainy than most places in South Dakota. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 63.8 inches in Westminster means that it is about average compared to other places in Colorado.

An annual snowfall of 30.2 inches in Belle Fourche means that it is one of the least snowy places in South Dakota.

March is the snowiest month in Westminster with 12.3 inches of snow, and 9 months of the year have significant snowfall.

March is the snowiest month in Belle Fourche with 6.3 inches of snow, and 8 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 Westminster 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 Belle Fourche 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:
Westminster, CO vs Belle Fourche, SD

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Westminster / Belle Fourche

December has the coldest nighttime temperatures for Westminster with an average of 17.8°. This is warmer than most places in Colorado.

January has the coldest nighttime temperatures for Belle Fourche with an average of 12.5°. This is one of the warmest places in South Dakota.

In Westminster, there are 39.7 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Belle Fourche, there are 31.2 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Westminster, there are 5.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

In Belle Fourche, there are 18.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

An annual snowfall of 63.8 inches in Westminster means that it is about average compared to other places in Colorado.

An annual snowfall of 30.2 inches in Belle Fourche means that it is one of the least snowy places in South Dakota.

March is the snowiest month in Westminster with 12.3 inches of snow, and 9 months of the year have significant snowfall.

March is the snowiest month in Belle Fourche with 6.3 inches of snow, and 8 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Westminster 2 Reviews

Reviews for Belle Fourche 2 Reviews

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2025 Compare Climate & Weather:Westminster, CO vs Belle Fourche, SD

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Westminster / Belle Fourche

December has the coldest nighttime temperatures for Westminster with an average of 17.8°. This is warmer than most places in Colorado.January has the coldest nighttime temperatures for Belle Fourche with an average of 12.5°. This is one of the warmest places in South Dakota.

In Westminster, there are 39.7 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.In Belle Fourche, there are 31.2 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Westminster, there are 5.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.In Belle Fourche, there are 18.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

An annual snowfall of 63.8 inches in Westminster means that it is about average compared to other places in Colorado.An annual snowfall of 30.2 inches in Belle Fourche means that it is one of the least snowy places in South Dakota.

March is the snowiest month in Westminster with 12.3 inches of snow, and 9 months of the year have significant snowfall.March is the snowiest month in Belle Fourche with 6.3 inches of snow, and 8 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Westminster 2 Reviews

Reviews for Belle Fourche 2 Reviews

Most Recent Searches On Compare Climate & Weather

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Zips In Westminster, Colorado

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2025 Compare Climate & Weather:
Westminster, CO vs Belle Fourche, SD

December has the coldest nighttime temperatures for Westminster with an average of 17.8°. This is warmer than most places in Colorado.

January has the coldest nighttime temperatures for Belle Fourche with an average of 12.5°. This is one of the warmest places in South Dakota.

In Westminster, there are 39.7 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Belle Fourche, there are 31.2 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Westminster, there are 5.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

In Belle Fourche, there are 18.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

An annual snowfall of 63.8 inches in Westminster means that it is about average compared to other places in Colorado.

An annual snowfall of 30.2 inches in Belle Fourche means that it is one of the least snowy places in South Dakota.

March is the snowiest month in Westminster with 12.3 inches of snow, and 9 months of the year have significant snowfall.

March is the snowiest month in Belle Fourche with 6.3 inches of snow, and 8 months of the year have significant snowfall.