The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Reno, NV vs Castle Rock, CO

2025 Compare Climate & Weather:
Reno, NV vs Castle Rock, CO

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Highlights

On average, there are 243 sunny days per year in Castle Rock. Reno averages 252 sunny days per year. The US average is 205 sunny days.

Castle Rock, Colorado gets 18.6 inches of rain, on average, per year. Reno, Nevada gets 8.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Castle Rock averages 78.3 inches of snow per year. Reno averages 21.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Reno, Nevada
Summer High: the July high is around 90.6 degrees
Winter Low: the January low is 23.7
Rain: averages 8.9 inches of rain a year
Snow: averages 21.9 inches of snow a year

BestPlaces Comfort Index
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.

Reno

The annual BestPlaces Comfort Index for Reno is 7.5 (10=best), which means it is more comfortable than most places in Nevada.

7.5 / 10
June, September and May are the most pleasant months in Reno, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthReno, NVCastle Rock, CO
January45° / 24°45° / 19°
February50° / 27°46° / 20°
March57° / 31°53° / 26°
April63° / 35°60° / 32°
May72° / 43°69° / 41°
June82° / 50°79° / 50°
July91° / 56°86° / 56°
August89° / 54°83° / 55°
September81° / 47°76° / 47°
October68° / 38°65° / 36°
November54° / 30°52° / 26°
December45° / 24°44° / 18°
Hot, Freezing, Rainy, Snowy Days: Reno / Castle Rock
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 026 / 297 / 33 / 4
February0 / 021 / 257 / 43 / 4
March0 / 017 / 236 / 62 / 5
April0 / 010 / 154 / 61 / 4
May1 / 03 / 34 / 90 / 1
June5 / 20 / 03 / 80 / 0
July18 / 80 / 02 / 80 / 0
August14 / 40 / 02 / 100 / 0
September4 / 11 / 12 / 60 / 0
October0 / 07 / 104 / 40 / 1
November0 / 019 / 225 / 41 / 4
December0 / 026 / 287 / 43 / 4
July is the hottest month for Reno with an average high temperature of 90.6°, which ranks it as cooler than most places in Nevada. In Reno, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Reno are September, June and May.

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.
December has the coldest nighttime temperatures for Reno with an average of 23.6°. This is warmer than most places in Nevada.

December has the coldest nighttime temperatures for Castle Rock with an average of 18.1°. This is one of the warmest places in Colorado.

In Reno, there are 41.8 days annually when the high temperature is over 90°, which is cooler than most places in Nevada.

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 Reno, there are 130.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Nevada.

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 Reno, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

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.

December is the wettest month in Reno with 1.3 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 42% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 8.9 inches in Reno means that it is about average compared to other places in Nevada.


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.

February is the rainiest month in Reno with 6.9 days of rain, and July is the driest month with only 1.8 rainy days. There are 51.2 rainy days annually in Reno, which is rainier than most places in Nevada. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 13% chance of a rainy day.

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.

An annual snowfall of 21.9 inches in Reno means that it is snowier than most places in Nevada.

An annual snowfall of 78.3 inches in Castle Rock means that it is snowier than most places in Colorado.
December is the snowiest month in Reno with 6.0 inches of snow, and 6 months of the year have significant snowfall.

March is the snowiest month in Castle Rock with 16.8 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 Reno    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 Reno

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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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Zips In Reno, Nevada
89502, 89506, 89523, 89509, 89521, 89503, 89512, 89511, 89519, 89501, 10 total
Zips In CASTLE ROCK, COLORADO
80104, 80109
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