2025 Compare Climate & Weather:
Seattle, WA vs Denison, TX

Highlights

On average, there are 228 sunny days per year in Denison. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Denison, Texas gets 42.5 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.

Denison averages 1.9 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

Denison, Texas
Summer High: the July high is around 92.6 degrees
Winter Low: the January low is 31.6
Rain: averages 42.5 inches of rain a year
Snow: averages 1.9 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 Denison is 7.3 (10=best), which means it is more comfortable than most places in Texas.

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

43°F

Today's Weather - Denison, TX

57°F

Average Monthly High / Low (°F)

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

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.

August is the hottest month for Denison with an average high temperature of 93.2°, which ranks it as cooler than most places in Texas. In Denison, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Denison are May, October and April.

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 Denison with an average of 31.6°. This is colder than most places in Texas.

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

In Denison, there are 67.0 days annually when the high temperature is over 90°, which is one of the coolest places in Texas.

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 Denison, there are 48.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Texas.

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

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.


May is the wettest month in Denison with 5.3 inches of rain, and the driest month is August with 2.2 inches. The wettest season is Summer with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.5 inches in Denison means that it is wetter than most places in Texas.

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.

May is the rainiest month in Denison with 9.6 days of rain, and July is the driest month with only 4.7 rainy days. There are 81.1 rainy days annually in Denison, which is rainier than most places in Texas. The rainiest season is Summer when it rains 30% of the time and the driest is Autumn with only a 22% 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 1.9 inches in Denison means that it is snowier than most places in Texas.

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

February is the snowiest month in Denison with 0.7 inches of snow, and 2 months of the year have significant snowfall.