2025 Compare Climate & Weather:
Simpsonville, SC vs Urban Honolulu, HI

Highlights

On average, there are 271 sunny days per year in Urban Honolulu. Simpsonville averages 224 sunny days per year. The US average is 205 sunny days.

Urban Honolulu, Hawaii gets 48.8 inches of rain, on average, per year. Simpsonville, South Carolina gets 48.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Urban Honolulu averages 0 inches of snow per year. Simpsonville averages 2.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Urban Honolulu, Hawaii
Summer High: the July high is around 84.9 degrees
Winter Low: the January low is 65.3
Rain: averages 48.8 inches of rain a year
Snow: averages 0 inches of snow a year

Simpsonville, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 31
Rain: averages 48.2 inches of rain a year
Snow: averages 2.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Honolulu is 8.3 (10=best), which means it is less comfortable than most places in Hawaii.

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

Today's Weather - Simpsonville, SC

79°F

Today's Weather - Urban Honolulu, HI

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Simpsonville / Urban Honolulu

July is the hottest month for Simpsonville with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Simpsonville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Simpsonville are May, September and April.

September is the hottest month for Honolulu with an average high temperature of 85.8°, which ranks it as warmer than most places in Hawaii. In Honolulu, there are 10 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Honolulu are January, February and March.

January has the coldest nighttime temperatures for Simpsonville with an average of 31.0°. This is colder than most places in South Carolina.

January has the coldest nighttime temperatures for Honolulu with an average of 65.3°. This is warmer than most places in Hawaii.

In Simpsonville, there are 40.9 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Honolulu, there are 7.8 days annually when the high temperature is over 90°, which is hotter than most places in Hawaii.

In Simpsonville, there are 57.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Carolina.

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

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

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

March is the wettest month in Simpsonville with 4.6 inches of rain, and the driest month is April with 3.4 inches. The wettest season is Autumn with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 48.2 inches in Simpsonville means that it is wetter than most places in South Carolina.


December is the wettest month in Honolulu with 6.3 inches of rain, and the driest month is May with 2.7 inches. The wettest season is Spring with 31% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 48.8 inches in Honolulu means that it is about average compared to other places in Hawaii.

July is the rainiest month in Simpsonville with 9.9 days of rain, and October is the driest month with only 6.6 rainy days. There are 101.7 rainy days annually in Simpsonville, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

July is the rainiest month in Honolulu with 18.7 days of rain, and February is the driest month with only 12.6 rainy days. There are 194.9 rainy days annually in Honolulu, 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.

An annual snowfall of 2.9 inches in Simpsonville means that it is one of the snowiest places in South Carolina.

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

January is the snowiest month in Simpsonville with 1.5 inches of snow, and 3 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Honolulu.