2025 Compare Climate & Weather:
Portsmouth, VA vs Olympia, WA

Highlights

On average, there are 136 sunny days per year in Olympia. Portsmouth averages 217 sunny days per year. The US average is 205 sunny days.

Olympia, Washington gets 52.7 inches of rain, on average, per year. Portsmouth, Virginia gets 47.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Olympia averages 6 inches of snow per year. Portsmouth averages 5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Olympia, Washington
Summer High: the July high is around 77.1 degrees
Winter Low: the January low is 33.9
Rain: averages 52.7 inches of rain a year
Snow: averages 6 inches of snow a year

Portsmouth, Virginia
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 33.4
Rain: averages 47.4 inches of rain a year
Snow: averages 5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Olympia is 7.1 (10=best), which means it is about average compared to other places in Washington.

The annual BestPlaces Comfort Index for Portsmouth is 7.4 (10=best), which means it is more comfortable than most places in Virginia.

Today's Weather - Portsmouth, VA

70°F

Today's Weather - Olympia, WA

44°F

Average Monthly High / Low (°F)

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

July is the hottest month for Portsmouth with an average high temperature of 88.3°, which ranks it as warmer than most places in Virginia. 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 May, September and June.

August is the hottest month for Olympia with an average high temperature of 78.0°, which ranks it as about average compared to other places in Washington. In Olympia, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Olympia are August, July and September.

January has the coldest nighttime temperatures for Portsmouth with an average of 33.4°. This is one of the warmest places in Virginia.

December has the coldest nighttime temperatures for Olympia with an average of 32.9°. This is about average compared to other places in Washington.

In Portsmouth, there are 30.1 days annually when the high temperature is over 90°, which is hotter than most places in Virginia.

In Olympia, there are 5.7 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Portsmouth, there are 38.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Virginia.

In Olympia, there are 61.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Portsmouth, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Virginia.

In Olympia, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

August is the wettest month in Portsmouth with 5.9 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 32% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 47.4 inches in Portsmouth means that it is one of the wettest places in Virginia.


November is the wettest month in Olympia with 9.0 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 52.7 inches in Olympia means that it is wetter than most places in Washington.

July is the rainiest month in Portsmouth with 11.0 days of rain, and October is the driest month with only 7.4 rainy days. There are 115.2 rainy days annually in Portsmouth, which is about average compared to other places in Virginia. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

November is the rainiest month in Olympia with 21.0 days of rain, and July is the driest month with only 4.8 rainy days. There are 167.2 rainy days annually in Olympia, which is rainier than most places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 5.0 inches in Portsmouth means that it is one of the least snowy places in Virginia.

An annual snowfall of 6.0 inches in Olympia means that it is about average compared to other places in Washington.

February is the snowiest month in Portsmouth with 2.1 inches of snow, and 3 months of the year have significant snowfall.

February is the snowiest month in Olympia with 2.3 inches of snow, and 4 months of the year have significant snowfall.