2025 Compare Climate & Weather:
Seattle, WA vs Spartanburg, SC

Highlights

On average, there are 225 sunny days per year in Spartanburg. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Spartanburg, South Carolina gets 48.7 inches of rain, on average, per year. Seattle, Washington gets 38 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Spartanburg averages 1.8 inches of snow per year. Seattle averages 4.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Spartanburg, South Carolina
Summer High: the July high is around 90.9 degrees
Winter Low: the January low is 27.2
Rain: averages 48.7 inches of rain a year
Snow: averages 1.8 inches of snow a year

Seattle, Washington
Summer High: the July high is around 75.8 degrees
Winter Low: the January low is 37
Rain: averages 38 inches of rain a year
Snow: averages 4.6 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Seattle is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

Today's Weather - Seattle, WA

51°F

Today's Weather - Spartanburg, SC

69°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Seattle / Spartanburg

August is the hottest month for Seattle with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. In Seattle, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seattle are August, July and September.

July is the hottest month for Spartanburg with an average high temperature of 90.9°, which ranks it as about average compared to other places in South Carolina. In Spartanburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Spartanburg are May, April and October.

December has the coldest nighttime temperatures for Seattle with an average of 35.9°. This is one of the warmest places in Washington.

January has the coldest nighttime temperatures for Spartanburg with an average of 27.2°. This is one of the coldest places in South Carolina.

In Seattle, there are 1.7 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Spartanburg, there are 50.8 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Seattle, there are 24.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

In Spartanburg, there are 87.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Carolina.

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

In Spartanburg, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Carolina.

November is the wettest month in Seattle with 6.2 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 38.0 inches in Seattle means that it is about average compared to other places in Washington.


March is the wettest month in Spartanburg with 4.8 inches of rain, and the driest month is April with 3.5 inches. The wettest season is Autumn with 26% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 48.7 inches in Spartanburg means that it is wetter than most places in South Carolina.

November is the rainiest month in Seattle with 18.7 days of rain, and August is the driest month with only 5.3 rainy days. There are 155.3 rainy days annually in Seattle, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.

July is the rainiest month in Spartanburg with 10.4 days of rain, and October is the driest month with only 6.9 rainy days. There are 108.8 rainy days annually in Spartanburg, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 4.6 inches in Seattle means that it is about average compared to other places in Washington.

An annual snowfall of 1.8 inches in Spartanburg means that it is snowier than most places in South Carolina.

December is the snowiest month in Seattle with 2.1 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Spartanburg with 1.0 inches of snow, and 1 month of the year have significant snowfall.