2025 Compare Climate & Weather:
Kailua (Honolulu County), HI vs Mount Sidney, VA

Highlights

On average, there are 204 sunny days per year in Mount Sidney. Kailua (Honolulu County) averages 274 sunny days per year. The US average is 205 sunny days.

Mount Sidney, Virginia gets 40.7 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.

Mount Sidney averages 20.7 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

Mount Sidney, Virginia
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 20.5
Rain: averages 40.7 inches of rain a year
Snow: averages 20.7 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 Mount Sidney is 7.2 (10=best), which means it is less comfortable than most places in Virginia.

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

75°F

Today's Weather - Mount Sidney, VA

71°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Mount Sidney with an average high temperature of 84.8°, which ranks it as cooler than most places in Virginia. In Mount Sidney, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Sidney are September, June and May.

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.

January has the coldest nighttime temperatures for Mount Sidney with an average of 20.5°. This is one of the coldest places in Virginia.

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 Mount Sidney, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

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 Mount Sidney, there are 129.9 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Virginia.

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 Mount Sidney, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

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.


July is the wettest month in Mount Sidney with 4.1 inches of rain, and the driest month is January with 2.6 inches. The wettest season is Autumn with 28% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 40.7 inches in Mount Sidney means that it is drier than most places in Virginia.

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.

May is the rainiest month in Mount Sidney with 12.6 days of rain, and October is the driest month with only 8.1 rainy days. There are 119.3 rainy days annually in Mount Sidney, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% 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 20.7 inches in Mount Sidney means that it is snowier than most places in Virginia.

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

February is the snowiest month in Mount Sidney with 6.8 inches of snow, and 5 months of the year have significant snowfall.