2025 Compare Climate & Weather:
Vancouver, WA vs Littleton, CO

Highlights

On average, there are 246 sunny days per year in Littleton. Vancouver averages 143 sunny days per year. The US average is 205 sunny days.

Littleton, Colorado gets 18.1 inches of rain, on average, per year. Vancouver, Washington gets 42.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Littleton averages 68.9 inches of snow per year. Vancouver averages 2.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Vancouver, Washington
Summer High: the July high is around 79.4 degrees
Winter Low: the January low is 34.4
Rain: averages 42.1 inches of rain a year
Snow: averages 2.7 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Vancouver, WA

64°F

Today's Weather - Littleton, CO

58°F

Average Monthly High / Low (°F)

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

August is the hottest month for Vancouver with an average high temperature of 80.3°, which ranks it as warmer than most places in Washington. In Vancouver, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Vancouver are July, August and September.

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.

December has the coldest nighttime temperatures for Vancouver with an average of 33.6°. This is about average compared to other places in Washington.

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

In Vancouver, there are 9.9 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

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 Vancouver, there are 46.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

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

November is the wettest month in Vancouver with 6.6 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 40% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 42.1 inches in Vancouver means that it is about average compared to other places in Washington.


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.

November is the rainiest month in Vancouver with 20.0 days of rain, and August is the driest month with only 4.0 rainy days. There are 163.9 rainy days annually in Vancouver, which is rainier than most places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

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.

An annual snowfall of 2.7 inches in Vancouver means that it is less snowy than most places in Washington.

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

February is the snowiest month in Vancouver with 1.1 inches of snow, and 3 months of the year have significant snowfall.

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