The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Green River, UT vs Castle Valley, UT

2025 Compare Climate & Weather:
Green River, UT vs Castle Valley, UT

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Highlights

On average, there are 245 sunny days per year in Castle Valley. Green River averages 235 sunny days per year. The US average is 205 sunny days.

Castle Valley, Utah gets 9.5 inches of rain, on average, per year. Green River, Utah gets 8.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Castle Valley averages 8.9 inches of snow per year. Green River averages 7.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Castle Valley, Utah
Summer High: the July high is around 97.9 degrees
Winter Low: the January low is 20.3
Rain: averages 9.5 inches of rain a year
Snow: averages 8.9 inches of snow a year

Green River, Utah
Summer High: the July high is around 98 degrees
Winter Low: the January low is 15.9
Rain: averages 8.1 inches of rain a year
Snow: averages 7.1 inches of snow a year

BestPlaces Comfort Index
Castle Valley

The annual BestPlaces Comfort Index for Castle Valley is 7.4 (10=best), which means it is one of the most pleasant places in Utah.

7.4 / 10
May, September and October are the most pleasant months in Castle Valley, while January and December are the least comfortable months.

Green River

The annual BestPlaces Comfort Index for Green River is 7.3 (10=best), which means it is more comfortable than most places in Utah.

7.3 / 10
May, September and April are the most pleasant months in Green River, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthGreen River, UTCastle Valley, UT
January41° / 16°42° / 20°
February50° / 23°50° / 27°
March62° / 32°61° / 35°
April71° / 39°70° / 42°
May81° / 48°81° / 51°
June92° / 57°92° / 60°
July98° / 64°98° / 66°
August95° / 62°95° / 65°
September85° / 52°86° / 55°
October71° / 39°72° / 42°
November55° / 27°55° / 31°
December42° / 18°43° / 22°
Hot, Freezing, Rainy, Snowy Days: Green River / Castle Valley
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 029 / 294 / 41 / 1
February0 / 023 / 214 / 51 / 1
March0 / 016 / 115 / 60 / 0
April0 / 05 / 35 / 60 / 0
May5 / 50 / 04 / 50 / 0
June20 / 190 / 03 / 30 / 0
July28 / 280 / 05 / 50 / 0
August25 / 250 / 06 / 60 / 0
September10 / 100 / 05 / 50 / 0
October0 / 06 / 35 / 60 / 0
November0 / 022 / 184 / 50 / 1
December0 / 030 / 284 / 51 / 2
July is the hottest month for Green River with an average high temperature of 98.0°, which ranks it as one of the hottest places in Utah. In Green River, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Green River are May, October and April.

July is the hottest month for Castle Valley with an average high temperature of 97.9°, which ranks it as one of the hottest places in Utah. In Castle Valley, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castle Valley are May, October and September.
January has the coldest nighttime temperatures for Green River with an average of 15.9°. This is about average compared to other places in Utah.

January has the coldest nighttime temperatures for Castle Valley with an average of 20.3°. This is warmer than most places in Utah.

In Green River, there are 88.7 days annually when the high temperature is over 90°, which is one of the hottest places in Utah.

In Castle Valley, there are 87.1 days annually when the high temperature is over 90°, which is one of the hottest places in Utah.

In Green River, there are 132.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Utah.

In Castle Valley, there are 112.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Utah.

In Green River, there are 4.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Utah.

In Castle Valley, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Utah.

October is the wettest month in Green River with 1.1 inches of rain, and the driest month is June with 0.4 inches. The wettest season is Winter with 31% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 8.1 inches in Green River means that it is one of the driest places in Utah.


October is the wettest month in Castle Valley with 1.3 inches of rain, and the driest month is June with 0.4 inches. The wettest season is Winter with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 9.5 inches in Castle Valley means that it is drier than most places in Utah.

August is the rainiest month in Green River with 5.6 days of rain, and June is the driest month with only 2.6 rainy days. There are 53.1 rainy days annually in Green River, which is one of the least rainy places in Utah. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

August is the rainiest month in Castle Valley with 6.0 days of rain, and June is the driest month with only 2.7 rainy days. There are 58.5 rainy days annually in Castle Valley, which is less rainy than most places in Utah. The rainiest season is Summer when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 7.1 inches in Green River means that it is one of the least snowy places in Utah.

An annual snowfall of 8.9 inches in Castle Valley means that it is one of the least snowy places in Utah.
January is the snowiest month in Green River with 2.8 inches of snow, and 4 months of the year have significant snowfall.

December is the snowiest month in Castle Valley with 3.3 inches of snow, and 5 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 Green River    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 Green River

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Reviews for Castle Valley    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 Valley

See all reviews
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