2025 Compare Climate & Weather:
Portland, ME vs Milwaukee, WI

Highlights

On average, there are 191 sunny days per year in Milwaukee. Portland averages 203 sunny days per year. The US average is 205 sunny days.

Milwaukee, Wisconsin gets 34.8 inches of rain, on average, per year. Portland, Maine gets 48.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Milwaukee averages 44.6 inches of snow per year. Portland averages 61 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Milwaukee, Wisconsin
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 13.8
Rain: averages 34.8 inches of rain a year
Snow: averages 44.6 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Milwaukee is 6.8 (10=best), which means it is one of the most pleasant places in Wisconsin.

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

Today's Weather - Portland, ME

48°F

Today's Weather - Milwaukee, WI

70°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Milwaukee with an average high temperature of 82.7°, which ranks it as warmer than most places in Wisconsin. In Milwaukee, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Milwaukee are June, August and September.

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

January has the coldest nighttime temperatures for Milwaukee with an average of 13.8°. This is one of the warmest places in Wisconsin.

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

In Milwaukee, there are 11.4 days annually when the high temperature is over 90°, which is one of the hottest places in Wisconsin.

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 Milwaukee, there are 135.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Wisconsin.

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

In Milwaukee, there are 9.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Wisconsin.

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.


June is the wettest month in Milwaukee with 4.2 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 34.8 inches in Milwaukee means that it is wetter than most places in Wisconsin.

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.

May is the rainiest month in Milwaukee with 12.0 days of rain, and February is the driest month with only 9.0 rainy days. There are 123.3 rainy days annually in Milwaukee, which is one of the rainiest places in Wisconsin. 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 61.0 inches in Portland means that it is less snowy than most places in Maine.

An annual snowfall of 44.6 inches in Milwaukee means that it is snowier than most places in Wisconsin.

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

January is the snowiest month in Milwaukee with 13.2 inches of snow, and 6 months of the year have significant snowfall.