The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Castle Rock, CO vs White Sulphur Springs, MT

2025 Compare Climate & Weather:
Castle Rock, CO vs White Sulphur Springs, MT

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Highlights

On average, there are 185 sunny days per year in White Sulphur Springs. Castle Rock averages 243 sunny days per year. The US average is 205 sunny days.

White Sulphur Springs, Montana gets 14 inches of rain, on average, per year. Castle Rock, Colorado gets 18.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

White Sulphur Springs averages 76 inches of snow per year. Castle Rock averages 78.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

White Sulphur Springs, Montana
Summer High: the July high is around 79.7 degrees
Winter Low: the January low is 12.5
Rain: averages 14 inches of rain a year
Snow: averages 76 inches of snow a year

Castle Rock, Colorado
Summer High: the July high is around 85.5 degrees
Winter Low: the January low is 18.6
Rain: averages 18.6 inches of rain a year
Snow: averages 78.3 inches of snow a year

BestPlaces Comfort Index
White Sulphur Springs

The annual BestPlaces Comfort Index for White Sulphur Springs is 6.3 (10=best), which means it is less comfortable than most places in Montana.

6.3 / 10
July, August and June are the most pleasant months in White Sulphur Springs, while December and January are the least comfortable months.

Castle Rock

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

7.2 / 10
August, September and July are the most pleasant months in Castle Rock, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthCastle Rock, COWhite Sulphur Springs, MT
January45° / 19°33° / 13°
February46° / 20°36° / 13°
March53° / 26°44° / 20°
April60° / 32°52° / 26°
May69° / 41°62° / 34°
June79° / 50°70° / 41°
July86° / 56°80° / 47°
August83° / 55°80° / 45°
September76° / 47°68° / 37°
October65° / 36°55° / 28°
November52° / 26°41° / 19°
December44° / 18°32° / 11°
Hot, Freezing, Rainy, Snowy Days: Castle Rock / White Sulphur Springs
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 029 / 303 / 64 / 6
February0 / 025 / 274 / 54 / 5
March0 / 023 / 286 / 75 / 6
April0 / 015 / 236 / 94 / 4
May0 / 03 / 129 / 111 / 1
June2 / 00 / 28 / 120 / 0
July8 / 30 / 08 / 90 / 0
August4 / 20 / 110 / 70 / 0
September1 / 01 / 76 / 70 / 1
October0 / 010 / 214 / 61 / 2
November0 / 022 / 264 / 64 / 5
December0 / 028 / 304 / 64 / 6
July is the hottest month for Castle Rock with an average high temperature of 85.5°, which ranks it as about average compared to other places in Colorado. In Castle Rock, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castle Rock are June, September and August.

July is the hottest month for White Sulphur Springs with an average high temperature of 79.7°, which ranks it as one of the coolest places in Montana. In White Sulphur Springs, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for White Sulphur Springs are August, July and June.
December has the coldest nighttime temperatures for Castle Rock with an average of 18.1°. This is one of the warmest places in Colorado.

December has the coldest nighttime temperatures for White Sulphur Springs with an average of 11.4°. This is about average compared to other places in Montana.

In Castle Rock, there are 14.9 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In White Sulphur Springs, there are 5.4 days annually when the high temperature is over 90°, which is one of the coolest places in Montana.

In Castle Rock, there are 156.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

In White Sulphur Springs, there are 205.5 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Montana.

In Castle Rock, there are 5.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

In White Sulphur Springs, there are 20.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.

August is the wettest month in Castle Rock with 2.6 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Autumn with 40% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 18.6 inches in Castle Rock means that it is wetter than most places in Colorado.


June is the wettest month in White Sulphur Springs with 2.5 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Autumn with 39% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.0 inches in White Sulphur Springs means that it is about average compared to other places in Montana.

August is the rainiest month in Castle Rock with 9.9 days of rain, and January is the driest month with only 3.3 rainy days. There are 70.0 rainy days annually in Castle Rock, which is less rainy than most places in Colorado. The rainiest season is Autumn when it rains 37% of the time and the driest is Spring with only a 15% chance of a rainy day.

June is the rainiest month in White Sulphur Springs with 11.7 days of rain, and February is the driest month with only 5.1 rainy days. There are 90.0 rainy days annually in White Sulphur Springs, which is about average compared to other places in Montana. The rainiest season is Autumn 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 78.3 inches in Castle Rock means that it is snowier than most places in Colorado.

An annual snowfall of 76.0 inches in White Sulphur Springs means that it is one of the snowiest places in Montana.
March is the snowiest month in Castle Rock with 16.8 inches of snow, and 9 months of the year have significant snowfall.

March is the snowiest month in White Sulphur Springs with 14.0 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 Castle Rock    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

Start Your Review of Castle Rock

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Reviews for White Sulphur Springs    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

Start Your Review of White Sulphur Springs

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Zips In Castle Rock, Colorado
80104, 80109
Zips In WHITE SULPHUR SPRINGS, MONTANA
59645
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