2025 Compare Climate & Weather:
Portsmouth, RI vs Port St. Lucie, FL

Highlights

On average, there are 238 sunny days per year in Port St. Lucie. Portsmouth averages 201 sunny days per year. The US average is 205 sunny days.

Port St. Lucie, Florida gets 58.3 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.

Port St. Lucie averages 0 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

Port St. Lucie, Florida
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 52.6
Rain: averages 58.3 inches of rain a year
Snow: averages 0 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 Port St. Lucie is 6.8 (10=best), which means it is about average compared to other places in Florida.

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

58°F

Today's Weather - Port St. Lucie, FL

88°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Portsmouth / Port St. Lucie

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.

August is the hottest month for Port St. Lucie with an average high temperature of 90.0°, which ranks it as cooler than most places in Florida. In Port St. Lucie, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Port St. Lucie are March, November and April.

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 Port St. Lucie with an average of 52.6°. This is warmer than most places in Florida.

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 Port St. Lucie, there are 53.6 days annually when the high temperature is over 90°, which is cooler than most places in Florida.

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 Port St. Lucie, there are 1.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Florida.

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 Port St. Lucie, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Florida.

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.


September is the wettest month in Port St. Lucie with 8.1 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 58.3 inches in Port St. Lucie means that it is wetter than most places in Florida.

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.

September is the rainiest month in Port St. Lucie with 15.7 days of rain, and April is the driest month with only 7.6 rainy days. There are 131.8 rainy days annually in Port St. Lucie, which is rainier than most places in Florida. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 18% 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.

There is rarely any recorded snowfall in Port St. Lucie, ranking it as one of the least snowy places in Florida.

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

Any measurable snowfall is a rare occurance in Port St. Lucie.