2025 Compare Climate & Weather:
Columbus, OH vs Portland, ME

Highlights

On average, there are 203 sunny days per year in Portland. Columbus averages 178 sunny days per year. The US average is 205 sunny days.

Portland, Maine gets 48.9 inches of rain, on average, per year. Columbus, Ohio gets 39.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Portland averages 61 inches of snow per year. Columbus averages 22.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Portland, Maine
Summer High: the July high is around 78.8 degrees
Winter Low: the January low is 10.8
Rain: averages 48.9 inches of rain a year
Snow: averages 61 inches of snow a year

Columbus, Ohio
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 21
Rain: averages 39.7 inches of rain a year
Snow: averages 22.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Portland is 6.5 (10=best), which means it is more comfortable than most places in Maine.

The annual BestPlaces Comfort Index for Columbus is 7.1 (10=best), which means it is more comfortable than most places in Ohio.

Today's Weather - Columbus, OH

57°F

Today's Weather - Portland, ME

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Columbus / Portland

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

July is the hottest month for Portland with an average high temperature of 78.8°, which ranks it as about average compared to other places in Maine. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are August, July and June.

January has the coldest nighttime temperatures for Columbus with an average of 21.0°. This is warmer than most places in Ohio.

January has the coldest nighttime temperatures for Portland with an average of 10.8°. This is warmer than most places in Maine.

In Columbus, there are 16.0 days annually when the high temperature is over 90°, which is hotter than most places in Ohio.

In Portland, there are 3.8 days annually when the high temperature is over 90°, which is hotter than most places in Maine.

In Columbus, there are 109.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Ohio.

In Portland, there are 154.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maine.

In Columbus, there are 3.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Ohio.

In Portland, there are 12.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maine.

July is the wettest month in Columbus with 4.5 inches of rain, and the driest month is February with 2.2 inches. The wettest season is Autumn with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 39.7 inches in Columbus means that it is about average compared to other places in Ohio.


November is the wettest month in Portland with 5.0 inches of rain, and the driest month is August with 3.3 inches. The wettest season is Winter with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.9 inches in Portland means that it is about average compared to other places in Maine.

May is the rainiest month in Columbus with 13.2 days of rain, and September is the driest month with only 8.1 rainy days. There are 130.0 rainy days annually in Columbus, which is about average compared to other places in Ohio. 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.

May is the rainiest month in Portland with 12.4 days of rain, and February is the driest month with only 9.2 rainy days. There are 128.3 rainy days annually in Portland, which is about average compared to other places in Maine. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 22.4 inches in Columbus means that it is about average compared to other places in Ohio.

An annual snowfall of 61.0 inches in Portland means that it is less snowy than most places in Maine.

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

January is the snowiest month in Portland with 18.1 inches of snow, and 6 months of the year have significant snowfall.