2025 Compare Climate & Weather:
Mount Airy, MD vs Columbia, SC

Highlights

On average, there are 217 sunny days per year in Columbia. Mount Airy averages 194 sunny days per year. The US average is 205 sunny days.

Columbia, South Carolina gets 45.5 inches of rain, on average, per year. Mount Airy, Maryland gets 44.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Columbia averages 0.9 inches of snow per year. Mount Airy averages 26.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Columbia, South Carolina
Summer High: the July high is around 93.6 degrees
Winter Low: the January low is 35
Rain: averages 45.5 inches of rain a year
Snow: averages 0.9 inches of snow a year

Mount Airy, Maryland
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 23.4
Rain: averages 44.1 inches of rain a year
Snow: averages 26.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Columbia is 7.2 (10=best), which means it is less comfortable than most places in South Carolina.

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

Today's Weather - Mount Airy, MD

71°F

Today's Weather - Columbia, SC

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mount Airy / Columbia

July is the hottest month for Mount Airy with an average high temperature of 85.3°, which ranks it as cooler than most places in Maryland. In Mount Airy, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Airy are September, June and May.

July is the hottest month for Columbia with an average high temperature of 93.6°, which ranks it as one of the hottest places in South Carolina. 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 April, October and May.

January has the coldest nighttime temperatures for Mount Airy with an average of 23.4°. This is colder than most places in Maryland.

January has the coldest nighttime temperatures for Columbia with an average of 35.0°. This is warmer than most places in South Carolina.

In Mount Airy, there are 15.7 days annually when the high temperature is over 90°, which is cooler than most places in Maryland.

In Columbia, there are 79.0 days annually when the high temperature is over 90°, which is one of the hottest places in South Carolina.

In Mount Airy, there are 99.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In Columbia, there are 39.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Carolina.

In Mount Airy, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

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

May is the wettest month in Mount Airy with 4.5 inches of rain, and the driest month is February with 3.0 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 44.1 inches in Mount Airy means that it is wetter than most places in Maryland.


July is the wettest month in Columbia with 5.3 inches of rain, and the driest month is April with 2.7 inches. The wettest season is Autumn with 34% of yearly precipitation and 21% occurs in Summer, which is the driest season. The annual rainfall of 45.5 inches in Columbia means that it is drier than most places in South Carolina.

May is the rainiest month in Mount Airy with 11.3 days of rain, and September is the driest month with only 8.4 rainy days. There are 115.1 rainy days annually in Mount Airy, which is rainier than most places in Maryland. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

July is the rainiest month in Columbia with 11.2 days of rain, and September is the driest month with only 7.3 rainy days. There are 108.1 rainy days annually in Columbia, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 30% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 26.1 inches in Mount Airy means that it is snowier than most places in Maryland.

An annual snowfall of 0.9 inches in Columbia means that it is about average compared to other places in South Carolina.

January is the snowiest month in Mount Airy with 8.9 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Columbia with 0.6 inches of snow, and 1 month of the year have significant snowfall.