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

Highlights

On average, there are 175 sunny days per year in Hilo. Kailua (Honolulu County) averages 274 sunny days per year. The US average is 205 sunny days.

Hilo, Hawaii gets 143.1 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.

Hilo averages 0 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

Hilo, Hawaii
Summer High: the July high is around 81 degrees
Winter Low: the January low is 63
Rain: averages 143.1 inches of rain a year
Snow: averages 0 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 Hilo is 8.6 (10=best), which means it is less comfortable than most places in Hawaii.

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

78°F

Today's Weather - Hilo, HI

76°F

Average Monthly High / Low (°F)

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

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.

September is the hottest month for Hilo with an average high temperature of 81.7°, which ranks it as cooler than most places in Hawaii. In Hilo, there are 12 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hilo are December, April and March.

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.

February has the coldest nighttime temperatures for Hilo with an average of 62.8°. This is about average compared to other places in Hawaii.

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 Hilo, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Hawaii.

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 Hilo, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii.

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

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 Hilo with 15.9 inches of rain, and the driest month is June with 8.4 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 143.1 inches in Hilo means that it is one of the wettest places in Hawaii.

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.

April is the rainiest month in Hilo with 21.9 days of rain, and February is the driest month with only 14.9 rainy days. There are 235.8 rainy days annually in Hilo, 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 21% 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.

There is rarely any recorded snowfall in Hilo, ranking it as one of the least snowy places in Hawaii.

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

Any measurable snowfall is a rare occurance in Hilo.