2025 Compare Climate & Weather:
Davenport, WA vs Grand Coulee, WA

Highlights

On average, there are 194 sunny days per year in Grand Coulee. Davenport averages 175 sunny days per year. The US average is 205 sunny days.

Grand Coulee, Washington gets 11.3 inches of rain, on average, per year. Davenport, Washington gets 14.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Grand Coulee averages 19.4 inches of snow per year. Davenport averages 35.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Grand Coulee, Washington
Summer High: the July high is around 87 degrees
Winter Low: the January low is 21.7
Rain: averages 11.3 inches of rain a year
Snow: averages 19.4 inches of snow a year

Davenport, Washington
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 19.9
Rain: averages 14.4 inches of rain a year
Snow: averages 35.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Grand Coulee is 7.0 (10=best), which means it is less comfortable than most places in Washington.

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

Today's Weather - Davenport, WA

46°F

Today's Weather - Grand Coulee, WA

51°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Davenport / Grand Coulee

July is the hottest month for Davenport with an average high temperature of 83.9°, which ranks it as warmer than most places in Washington. In Davenport, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Davenport are June, September and August.

July is the hottest month for Grand Coulee with an average high temperature of 87.0°, which ranks it as warmer than most places in Washington. In Grand Coulee, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Coulee are June, September and May.

December has the coldest nighttime temperatures for Davenport with an average of 18.5°. This is one of the coldest places in Washington.

December has the coldest nighttime temperatures for Grand Coulee with an average of 21.1°. This is one of the coldest places in Washington.

In Davenport, there are 18.5 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Grand Coulee, there are 27.9 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Davenport, there are 174.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Washington.

In Grand Coulee, there are 138.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Davenport, there are 4.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Washington.

In Grand Coulee, there are 2.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

December is the wettest month in Davenport with 2.0 inches of rain, and the driest month is August with 0.4 inches. The wettest season is Spring with 33% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 14.4 inches in Davenport means that it is drier than most places in Washington.


December is the wettest month in Grand Coulee with 1.6 inches of rain, and the driest month is August with 0.3 inches. The wettest season is Spring with 34% of yearly precipitation and 17% occurs in Autumn, which is the driest season. The annual rainfall of 11.3 inches in Grand Coulee means that it is drier than most places in Washington.

November is the rainiest month in Davenport with 10.9 days of rain, and August is the driest month with only 3.0 rainy days. There are 87.8 rainy days annually in Davenport, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 15% chance of a rainy day.

December is the rainiest month in Grand Coulee with 11.8 days of rain, and August is the driest month with only 3.0 rainy days. There are 91.5 rainy days annually in Grand Coulee, which is less rainy 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 15% chance of a rainy day.

An annual snowfall of 35.5 inches in Davenport means that it is snowier than most places in Washington.

An annual snowfall of 19.4 inches in Grand Coulee means that it is snowier than most places in Washington.

December is the snowiest month in Davenport with 11.4 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Grand Coulee with 8.3 inches of snow, and 5 months of the year have significant snowfall.