2025 Compare Climate & Weather:
Littleton, CO vs Plymouth, MN

Highlights

On average, there are 197 sunny days per year in Plymouth. Littleton averages 246 sunny days per year. The US average is 205 sunny days.

Plymouth, Minnesota gets 31.7 inches of rain, on average, per year. Littleton, Colorado gets 18.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Plymouth averages 51.5 inches of snow per year. Littleton averages 68.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Plymouth, Minnesota
Summer High: the July high is around 83 degrees
Winter Low: the January low is 6.1
Rain: averages 31.7 inches of rain a year
Snow: averages 51.5 inches of snow a year

Littleton, Colorado
Summer High: the July high is around 86.9 degrees
Winter Low: the January low is 17.8
Rain: averages 18.1 inches of rain a year
Snow: averages 68.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Plymouth is 6.6 (10=best), which means it is more comfortable than most places in Minnesota.

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

Today's Weather - Littleton, CO

58°F

Today's Weather - Plymouth, MN

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Littleton / Plymouth

July is the hottest month for Littleton with an average high temperature of 86.9°, which ranks it as about average compared to other places in Colorado. In Littleton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Littleton are September, June and August.

July is the hottest month for Plymouth with an average high temperature of 83.0°, which ranks it as warmer than most places in Minnesota. In Plymouth, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Plymouth are June, August and July.

December has the coldest nighttime temperatures for Littleton with an average of 16.8°. This is warmer than most places in Colorado.

January has the coldest nighttime temperatures for Plymouth with an average of 6.1°. This is one of the warmest places in Minnesota.

In Littleton, there are 23.4 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

In Plymouth, there are 9.3 days annually when the high temperature is over 90°, which is hotter than most places in Minnesota.

In Littleton, there are 151.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

In Plymouth, there are 152.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Minnesota.

In Littleton, there are 6.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

In Plymouth, there are 23.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Minnesota.

May is the wettest month in Littleton with 2.5 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 35% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 18.1 inches in Littleton means that it is wetter than most places in Colorado.


June is the wettest month in Plymouth with 4.5 inches of rain, and the driest month is February with 0.7 inches. The wettest season is Autumn with 40% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 31.7 inches in Plymouth means that it is wetter than most places in Minnesota.

May is the rainiest month in Littleton with 9.8 days of rain, and January is the driest month with only 4.7 rainy days. There are 84.4 rainy days annually in Littleton, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

June is the rainiest month in Plymouth with 12.1 days of rain, and February is the driest month with only 6.5 rainy days. There are 110.8 rainy days annually in Plymouth, which is rainier than most places in Minnesota. The rainiest season is Autumn when it rains 28% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 68.9 inches in Littleton means that it is snowier than most places in Colorado.

An annual snowfall of 51.5 inches in Plymouth means that it is snowier than most places in Minnesota.

March is the snowiest month in Littleton with 13.5 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Plymouth with 12.4 inches of snow, and 7 months of the year have significant snowfall.