2024 Compare Climate & Weather:
Bellevue, WA vs Castle Rock, CO
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Highlights
On average, there are 243 sunny days per year in Castle Rock. Bellevue averages 155 sunny days per year. The US average is 205 sunny days.
Castle Rock, Colorado gets 18.6 inches of rain, on average, per year. Bellevue, Washington gets 42.1 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. Bellevue averages 5.1 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
Bellevue, Washington
Summer High: the July high is around 75.9 degrees
Winter Low: the January low is 36.6
Rain: averages 42.1 inches of rain a year
Snow: averages 5.1 inches of snow a year
BESTPLACES COMFORT INDEX
Castle RockThe 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.
BellevueThe annual BestPlaces Comfort Index for Bellevue is 7.4 (10=best), which means it is one of the most pleasant places in Washington.
7.4 / 10
August, July and September are the most pleasant months in Bellevue, while December and January are the least comfortable months.
Today's Weather - Bellevue, WA
4 AM PST
Chance Rain Showers
50°F
| DAY | DESCRIPTION | HIGH / LOW | WIND |
|---|
| Overnight | Chance Rain Showers | 49° / 55° | SSW 10 mph |
| Saturday Night | Rain Showers | 46° / 55° | SSW 10 mph |
| Sunday Night | Rain Showers | 42° / 54° | SSW 6 to 10 mph |
| Monday Night | Showers And Thunderstorms | 41° / 56° | S 8 mph |
| Tuesday Night | Slight Chance Rain Showers then Partly Cloudy | 41° / 62° | SSW 5 to 8 mph |
| Wednesday Night | Chance Rain Showers | 45° / 61° | E 7 mph |
| Thursday Night | Slight Chance Rain Showers then Partly Cloudy | 46° / 67° | NE 6 to 9 mph |
Today's Weather - Castle Rock, CO
4 AM PST
Rain
41°F
| DAY | DESCRIPTION | HIGH / LOW | WIND |
|---|
| Overnight | Rain | 35° / 36° | N 8 mph |
| Saturday Night | Chance T-storms | 31° / 52° | NW 7 to 13 mph |
| Sunday Night | Slight Chance Showers And Thunderstorms then Mostly Clear | 33° / 61° | SSW 8 mph |
| Monday Night | Mostly Clear | 39° / 66° | SSW 10 to 16 mph |
| Tuesday Night | Slight Chance Rain Showers then Partly Cloudy | 39° / 65° | SSW 13 mph |
| Wednesday Night | Chance Showers And Thunderstorms | 37° / 54° | NNW 14 mph |
| Thursday Night | Chance Rain Showers | 33° / 60° | NW 10 to 14 mph |
Average Monthly High / Low (°F)
| Month | Bellevue, WA | Castle Rock, CO |
|---|
| January | 47° / 37° | 45° / 19° |
| February | 50° / 36° | 46° / 20° |
| March | 54° / 39° | 53° / 26° |
| April | 59° / 42° | 60° / 32° |
| May | 65° / 47° | 69° / 41° |
| June | 70° / 52° | 79° / 50° |
| July | 76° / 56° | 86° / 56° |
| August | 76° / 56° | 83° / 55° |
| September | 71° / 52° | 76° / 47° |
| October | 60° / 45° | 65° / 36° |
| November | 51° / 40° | 52° / 26° |
| December | 46° / 35° | 44° / 18° |
Hot, Freezing, Rainy, Snowy Days: Bellevue / Castle Rock
| Month | Hot Days | Freezing Days | Rainy Days | Snowy Days |
|---|
| January | 0 / 0 | 7 / 29 | 18 / 3 | 1 / 4 |
| February | 0 / 0 | 6 / 25 | 15 / 4 | 1 / 4 |
| March | 0 / 0 | 3 / 23 | 18 / 6 | 0 / 5 |
| April | 0 / 0 | 1 / 15 | 15 / 6 | 0 / 4 |
| May | 0 / 0 | 0 / 3 | 13 / 9 | 0 / 1 |
| June | 0 / 2 | 0 / 0 | 10 / 8 | 0 / 0 |
| July | 1 / 8 | 0 / 0 | 6 / 8 | 0 / 0 |
| August | 1 / 4 | 0 / 0 | 5 / 10 | 0 / 0 |
| September | 0 / 1 | 0 / 1 | 8 / 6 | 0 / 0 |
| October | 0 / 0 | 1 / 10 | 14 / 4 | 0 / 1 |
| November | 0 / 0 | 4 / 22 | 19 / 4 | 0 / 4 |
| December | 0 / 0 | 9 / 28 | 18 / 4 | 1 / 4 |
August is the hottest month for Bellevue with an average high temperature of 76.4°, which ranks it as cooler than most places in Washington. In Bellevue, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bellevue are August, July and September.
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 Bellevue with an average of 35.3°. This is warmer than most places in Washington.
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 Bellevue, there are 2.1 days annually when the high temperature is over 90°, which is cooler than most places in Washington.
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 Bellevue, there are 29.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.
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 Bellevue, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.
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.
November is the wettest month in Bellevue with 6.8 inches of rain, and the driest month is July with 1.0 inches. The wettest season is Spring with 38% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 42.1 inches in Bellevue means that it is about average compared to other places in Washington.
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.
November is the rainiest month in Bellevue with 19.2 days of rain, and August is the driest month with only 5.4 rainy days. There are 160.5 rainy days annually in Bellevue, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 32% 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 5.1 inches in Bellevue means that it is about average compared to other places in Washington.
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 Bellevue with 2.0 inches of snow, and 4 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 Bellevue 
2 Reviews
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
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
Start Your Review of Bellevue
Reviews for Castle Rock 2 Reviews
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
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
Start Your Review of Castle Rock
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