2025 Compare Climate & Weather:
Lone Tree, CO vs Castle Pines, CO

Highlights

On average, there are 245 sunny days per year in Castle Pines. Lone Tree averages 244 sunny days per year. The US average is 205 sunny days.

Castle Pines, Colorado gets 18.1 inches of rain, on average, per year. Lone Tree, Colorado gets 18 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. Lone Tree averages 78 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

Lone Tree, Colorado
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 17.2
Rain: averages 18 inches of rain a year
Snow: averages 78 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Lone Tree, CO

57°F

Today's Weather - Castle Pines, CO

55°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lone Tree / Castle Pines

July is the hottest month for Lone Tree with an average high temperature of 87.2°, which ranks it as about average compared to other places in Colorado. In Lone Tree, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lone Tree are September, June 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 Lone Tree with an average of 16.2°. This is warmer than most places in Colorado.

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 Lone Tree, there are 23.2 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

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 Lone Tree, there are 162.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Colorado.

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 Lone Tree, there are 6.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

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.

August is the wettest month in Lone Tree with 2.4 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 37% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 18.0 inches in Lone Tree means that it is wetter than most places in Colorado.


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.

August is the rainiest month in Lone Tree with 9.6 days of rain, and January is the driest month with only 3.5 rainy days. There are 70.8 rainy days annually in Lone Tree, which is less rainy than most places in Colorado. The rainiest season is Autumn when it rains 35% of the time and the driest is Spring with only a 16% 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.

An annual snowfall of 78.0 inches in Lone Tree means that it is snowier than most places in Colorado.

An annual snowfall of 75.5 inches in Castle Pines means that it is snowier than most places in Colorado.

March is the snowiest month in Lone Tree with 16.6 inches of snow, and 9 months of the year have significant snowfall.

March is the snowiest month in Castle Pines with 16.3 inches of snow, and 9 months of the year have significant snowfall.