2025 Compare Climate & Weather:
Portsmouth, RI vs Elgin, IL

Highlights

On average, there are 190 sunny days per year in Elgin. Portsmouth averages 201 sunny days per year. The US average is 205 sunny days.

Elgin, Illinois gets 37.9 inches of rain, on average, per year. Portsmouth, Rhode Island gets 47.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Elgin averages 32.6 inches of snow per year. Portsmouth averages 32.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Elgin, Illinois
Summer High: the July high is around 84.6 degrees
Winter Low: the January low is 12.7
Rain: averages 37.9 inches of rain a year
Snow: averages 32.6 inches of snow a year

Portsmouth, Rhode Island
Summer High: the July high is around 80.1 degrees
Winter Low: the January low is 22.8
Rain: averages 47.8 inches of rain a year
Snow: averages 32.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Elgin is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

The annual BestPlaces Comfort Index for Portsmouth is 7.1 (10=best), which means it is one of the most pleasant places in Rhode Island.

Today's Weather - Portsmouth, RI

66°F

Today's Weather - Elgin, IL

73°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Portsmouth / Elgin

July is the hottest month for Portsmouth with an average high temperature of 80.1°, which ranks it as cooler than most places in Rhode Island. In Portsmouth, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portsmouth are August, July and June.

July is the hottest month for Elgin with an average high temperature of 84.6°, which ranks it as cooler than most places in Illinois. In Elgin, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Elgin are September, June and August.

January has the coldest nighttime temperatures for Portsmouth with an average of 22.8°. This is one of the warmest places in Rhode Island.

January has the coldest nighttime temperatures for Elgin with an average of 12.7°. This is one of the coldest places in Illinois.

In Portsmouth, there are 3.3 days annually when the high temperature is over 90°, which is about average compared to other places in Rhode Island.

In Elgin, there are 17.0 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.

In Portsmouth, there are 96.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Rhode Island.

In Elgin, there are 144.4 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In Portsmouth, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Rhode Island.

In Elgin, there are 11.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

March is the wettest month in Portsmouth with 5.2 inches of rain, and the driest month is July with 3.2 inches. The wettest season is Summer with 28% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 47.8 inches in Portsmouth means that it is drier than most places in Rhode Island.


August is the wettest month in Elgin with 4.7 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 37.9 inches in Elgin means that it is drier than most places in Illinois.

May is the rainiest month in Portsmouth with 12.2 days of rain, and September is the driest month with only 9.1 rainy days. There are 126.8 rainy days annually in Portsmouth, which is rainier than most places in Rhode Island. 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 Elgin with 12.1 days of rain, and February is the driest month with only 7.7 rainy days. There are 120.5 rainy days annually in Elgin, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 32.1 inches in Portsmouth means that it is about average compared to other places in Rhode Island.

An annual snowfall of 32.6 inches in Elgin means that it is snowier than most places in Illinois.

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

January is the snowiest month in Elgin with 10.9 inches of snow, and 6 months of the year have significant snowfall.