The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: San Diego, CA vs Castle Pines, CO

2025 Compare Climate & Weather:
San Diego, CA vs Castle Pines, CO

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Highlights

On average, there are 245 sunny days per year in Castle Pines. San Diego averages 266 sunny days per year. The US average is 205 sunny days.

Castle Pines, Colorado gets 18.1 inches of rain, on average, per year. San Diego, California gets 11.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Castle Pines averages 75.5 inches of snow per year. San Diego averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Castle Pines, Colorado
Summer High: the July high is around 85.4 degrees
Winter Low: the January low is 18.5
Rain: averages 18.1 inches of rain a year
Snow: averages 75.5 inches of snow a year

San Diego, California
Summer High: the July high is around 78.5 degrees
Winter Low: the January low is 45.6
Rain: averages 11.7 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Castle Pines

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

San Diego

The annual BestPlaces Comfort Index for San Diego is 9.2 (10=best), which means it is one of the most pleasant places in California.

9.2 / 10
June, October and September are the most pleasant months in San Diego, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthSan Diego, CACastle Pines, CO
January67° / 46°45° / 19°
February66° / 48°46° / 20°
March67° / 50°52° / 26°
April70° / 53°60° / 32°
May71° / 57°69° / 41°
June74° / 60°79° / 50°
July79° / 64°85° / 56°
August80° / 65°83° / 55°
September79° / 63°76° / 46°
October75° / 57°65° / 35°
November71° / 50°52° / 26°
December66° / 45°44° / 18°
Hot, Freezing, Rainy, Snowy Days: San Diego / Castle Pines
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 00 / 296 / 30 / 3
February0 / 00 / 257 / 40 / 4
March0 / 00 / 236 / 60 / 4
April0 / 00 / 154 / 60 / 3
May1 / 00 / 31 / 90 / 0
June1 / 20 / 01 / 80 / 0
July2 / 80 / 01 / 80 / 0
August3 / 40 / 00 / 100 / 0
September3 / 10 / 11 / 60 / 0
October2 / 00 / 102 / 50 / 1
November0 / 00 / 224 / 40 / 3
December0 / 00 / 286 / 40 / 4
August is the hottest month for San Diego with an average high temperature of 80.2°, which ranks it as cooler than most places in California. In San Diego, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Diego are July, September and August.

July is the hottest month for Castle Pines with an average high temperature of 85.4°, which ranks it as about average compared to other places in Colorado. In Castle Pines, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castle Pines are June, September and August.
December has the coldest nighttime temperatures for San Diego with an average of 45.3°. This is one of the warmest places in California.

December has the coldest nighttime temperatures for Castle Pines with an average of 18.2°. This is one of the warmest places in Colorado.

In San Diego, there are 13.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Castle Pines, there are 14.8 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In San Diego, there are 0.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Castle Pines, there are 156.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

In San Diego, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

In Castle Pines, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

February is the wettest month in San Diego with 2.5 inches of rain, and the driest month is August with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 11.7 inches in San Diego means that it is drier than most places in California.


July is the wettest month in Castle Pines with 2.8 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 43% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 18.1 inches in Castle Pines means that it is wetter than most places in Colorado.

February is the rainiest month in San Diego with 6.8 days of rain, and August is the driest month with only 0.4 rainy days. There are 38.4 rainy days annually in San Diego, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

August is the rainiest month in Castle Pines with 10.2 days of rain, and January is the driest month with only 3.4 rainy days. There are 72.6 rainy days annually in Castle Pines, 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.

There is rarely any recorded snowfall in San Diego, ranking it as one of the least snowy places in California.

An annual snowfall of 75.5 inches in Castle Pines means that it is snowier than most places in Colorado.
Any measurable snowfall is a rare occurance in San Diego.

March is the snowiest month in Castle Pines with 16.3 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 San Diego    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 San Diego

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Reviews for Castle Pines    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 Pines

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Zips In San Diego, California
92154, 92126, 92105, 92114, 92115, 92113, 92117, 92129, 92130, 92128, 38 total
Zips In CASTLE PINES, COLORADO
80108
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