2025 Compare Climate & Weather:
Columbia, MD vs Duluth, MN

Highlights

On average, there are 178 sunny days per year in Duluth. Columbia averages 212 sunny days per year. The US average is 205 sunny days.

Duluth, Minnesota gets 31.2 inches of rain, on average, per year. Columbia, Maryland gets 45 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Duluth averages 69.5 inches of snow per year. Columbia averages 17.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Duluth, Minnesota
Summer High: the July high is around 76.5 degrees
Winter Low: the January low is 2.3
Rain: averages 31.2 inches of rain a year
Snow: averages 69.5 inches of snow a year

Columbia, Maryland
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 23.9
Rain: averages 45 inches of rain a year
Snow: averages 17.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Duluth is 6.0 (10=best), which means it is one of the least comfortable places in Minnesota.

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

Today's Weather - Columbia, MD

73°F

Today's Weather - Duluth, MN

72°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Columbia / Duluth

July is the hottest month for Columbia with an average high temperature of 87.9°, which ranks it as warmer than most places in Maryland. In Columbia, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Columbia are September, May and June.

July is the hottest month for Duluth with an average high temperature of 76.5°, which ranks it as one of the coolest places in Minnesota. In Duluth, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Duluth are July, August and June.

January has the coldest nighttime temperatures for Columbia with an average of 23.9°. This is colder than most places in Maryland.

January has the coldest nighttime temperatures for Duluth with an average of 2.3°. This is about average compared to other places in Minnesota.

In Columbia, there are 29.1 days annually when the high temperature is over 90°, which is hotter than most places in Maryland.

In Duluth, there are 2.4 days annually when the high temperature is over 90°, which is one of the coolest places in Minnesota.

In Columbia, there are 99.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In Duluth, there are 174.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Minnesota.

In Columbia, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

In Duluth, there are 36.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Minnesota.

May is the wettest month in Columbia with 4.4 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 45.0 inches in Columbia means that it is wetter than most places in Maryland.


September is the wettest month in Duluth with 4.1 inches of rain, and the driest month is February with 0.8 inches. The wettest season is Autumn with 38% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 31.2 inches in Duluth means that it is wetter than most places in Minnesota.

May is the rainiest month in Columbia with 11.6 days of rain, and October is the driest month with only 8.3 rainy days. There are 113.9 rainy days annually in Columbia, which is about average compared to other places in Maryland. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

June is the rainiest month in Duluth with 12.1 days of rain, and February is the driest month with only 6.8 rainy days. There are 117.3 rainy days annually in Duluth, which is one of the rainiest 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 17.3 inches in Columbia means that it is snowier than most places in Maryland.

An annual snowfall of 69.5 inches in Duluth means that it is one of the snowiest places in Minnesota.

February is the snowiest month in Columbia with 6.2 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Duluth with 16.0 inches of snow, and 7 months of the year have significant snowfall.