2025 Compare Climate & Weather:
Kailua (Honolulu County), HI vs Seattle, WA

Highlights

On average, there are 152 sunny days per year in Seattle. Kailua (Honolulu County) averages 274 sunny days per year. The US average is 205 sunny days.

Seattle, Washington gets 38 inches of rain, on average, per year. Kailua (Honolulu County), Hawaii gets 39.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Seattle averages 4.6 inches of snow per year. Kailua (Honolulu County) averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Kailua (Honolulu County), Hawaii
Summer High: the July high is around 83.7 degrees
Winter Low: the January low is 67.6
Rain: averages 39.1 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Kailua (Honolulu County) is 8.1 (10=best), which means it is one of the least comfortable places in Hawaii.

Today's Weather - Kailua (Honolulu County), HI

74°F

Today's Weather - Seattle, WA

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Kailua (Honolulu County) / Seattle

September is the hottest month for Kailua (Honolulu County) with an average high temperature of 84.9°, which ranks it as about average compared to other places in Hawaii. In Kailua (Honolulu County), there are 12 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kailua (Honolulu County) are February, January and March.

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.

February has the coldest nighttime temperatures for Kailua (Honolulu County) with an average of 67.4°. This is one of the warmest places in Hawaii.

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

In Kailua (Honolulu County), there are 1.1 days annually when the high temperature is over 90°, which is cooler than most places in Hawaii.

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

In Kailua (Honolulu County), there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii.

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 Kailua (Honolulu County), there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Hawaii.

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.

November is the wettest month in Kailua (Honolulu County) with 5.4 inches of rain, and the driest month is June with 1.4 inches. The wettest season is Spring with 33% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 39.1 inches in Kailua (Honolulu County) means that it is about average compared to other places in Hawaii.


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.

July is the rainiest month in Kailua (Honolulu County) with 19.3 days of rain, and February is the driest month with only 12.8 rainy days. There are 196.2 rainy days annually in Kailua (Honolulu County), which is rainier than most places in Hawaii. The rainiest season is Autumn when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

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.

There is rarely any recorded snowfall in Kailua (Honolulu County), ranking it as one of the least snowy places in Hawaii.

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

Any measurable snowfall is a rare occurance in Kailua (Honolulu County).

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