2025 Compare Climate & Weather:
Wilmington, NC vs Boulder, CO

Highlights

On average, there are 245 sunny days per year in Boulder. Wilmington averages 216 sunny days per year. The US average is 205 sunny days.

Boulder, Colorado gets 18.1 inches of rain, on average, per year. Wilmington, North Carolina gets 57.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Boulder averages 71.1 inches of snow per year. Wilmington averages 0.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Boulder, Colorado
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 18.9
Rain: averages 18.1 inches of rain a year
Snow: averages 71.1 inches of snow a year

Wilmington, North Carolina
Summer High: the July high is around 90.2 degrees
Winter Low: the January low is 34
Rain: averages 57.9 inches of rain a year
Snow: averages 0.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Boulder is 7.1 (10=best), which means it is about average compared to other places in Colorado.

The annual BestPlaces Comfort Index for Wilmington is 7.3 (10=best), which means it is one of the least comfortable places in North Carolina.

Today's Weather - Wilmington, NC

75°F

Today's Weather - Boulder, CO

55°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Wilmington / Boulder

July is the hottest month for Wilmington with an average high temperature of 90.2°, which ranks it as warmer than most places in North Carolina. In Wilmington, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wilmington are October, May and April.

July is the hottest month for Boulder with an average high temperature of 88.1°, which ranks it as about average compared to other places in Colorado. In Boulder, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boulder are September, June and May.

January has the coldest nighttime temperatures for Wilmington with an average of 34.0°. This is one of the warmest places in North Carolina.

December has the coldest nighttime temperatures for Boulder with an average of 18.3°. This is one of the warmest places in Colorado.

In Wilmington, there are 43.0 days annually when the high temperature is over 90°, which is hotter than most places in North Carolina.

In Boulder, there are 32.4 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

In Wilmington, there are 41.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in North Carolina.

In Boulder, there are 151.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

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

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

September is the wettest month in Wilmington with 7.5 inches of rain, and the driest month is April with 3.1 inches. The wettest season is Autumn with 34% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 57.9 inches in Wilmington means that it is one of the wettest places in North Carolina.


May is the wettest month in Boulder with 2.5 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 37% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 18.1 inches in Boulder means that it is wetter than most places in Colorado.

August is the rainiest month in Wilmington with 13.6 days of rain, and April is the driest month with only 7.5 rainy days. There are 119.2 rainy days annually in Wilmington, which is rainier than most places in North Carolina. The rainiest season is Autumn when it rains 31% of the time and the driest is Summer with only a 22% chance of a rainy day.

May is the rainiest month in Boulder with 10.5 days of rain, and January is the driest month with only 4.7 rainy days. There are 88.0 rainy days annually in Boulder, 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 0.9 inches in Wilmington means that it is one of the least snowy places in North Carolina.

An annual snowfall of 71.1 inches in Boulder means that it is snowier than most places in Colorado.

December is the snowiest month in Wilmington with 0.5 inches of snow, and 1 month of the year have significant snowfall.

March is the snowiest month in Boulder with 14.3 inches of snow, and 9 months of the year have significant snowfall.