2025 Compare Climate & Weather:
Harrisburg, PA vs Columbia, MO

Highlights

On average, there are 192 sunny days per year in Columbia. Harrisburg averages 193 sunny days per year. The US average is 205 sunny days.

Columbia, Missouri gets 44.1 inches of rain, on average, per year. Harrisburg, Pennsylvania gets 41.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Columbia averages 15.9 inches of snow per year. Harrisburg averages 25.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Columbia, Missouri
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 20.9
Rain: averages 44.1 inches of rain a year
Snow: averages 15.9 inches of snow a year

Harrisburg, Pennsylvania
Summer High: the July high is around 85.1 degrees
Winter Low: the January low is 22.4
Rain: averages 41.8 inches of rain a year
Snow: averages 25.8 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Harrisburg is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

Today's Weather - Harrisburg, PA

60°F

Today's Weather - Columbia, MO

69°F

Average Monthly High / Low (°F)

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

July is the hottest month for Harrisburg with an average high temperature of 85.1°, which ranks it as warmer than most places in Pennsylvania. In Harrisburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Harrisburg are September, June and August.

July is the hottest month for Columbia with an average high temperature of 88.3°, which ranks it as about average compared to other places in Missouri. 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.

January has the coldest nighttime temperatures for Harrisburg with an average of 22.4°. This is one of the warmest places in Pennsylvania.

January has the coldest nighttime temperatures for Columbia with an average of 20.9°. This is about average compared to other places in Missouri.

In Harrisburg, there are 13.8 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Columbia, there are 31.7 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Harrisburg, there are 105.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.

In Columbia, there are 101.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Harrisburg, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

In Columbia, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

July is the wettest month in Harrisburg with 4.2 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 41.8 inches in Harrisburg means that it is drier than most places in Pennsylvania.


May is the wettest month in Columbia with 5.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 44.1 inches in Columbia means that it is wetter than most places in Missouri.

May is the rainiest month in Harrisburg with 12.6 days of rain, and September is the driest month with only 8.9 rainy days. There are 122.4 rainy days annually in Harrisburg, which is less rainy than most places in Pennsylvania. 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.

May is the rainiest month in Columbia with 12.4 days of rain, and February is the driest month with only 7.5 rainy days. There are 110.1 rainy days annually in Columbia, which is one of the rainiest places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 25.8 inches in Harrisburg means that it is less snowy than most places in Pennsylvania.

An annual snowfall of 15.9 inches in Columbia means that it is snowier than most places in Missouri.

February is the snowiest month in Harrisburg with 8.3 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Columbia with 5.0 inches of snow, and 5 months of the year have significant snowfall.