2025 Compare Climate & Weather:
Boca Raton, FL vs Hilton Head Island, SC

Highlights

On average, there are 215 sunny days per year in Hilton Head Island. Boca Raton averages 231 sunny days per year. The US average is 205 sunny days.

Hilton Head Island, South Carolina gets 48.1 inches of rain, on average, per year. Boca Raton, Florida gets 60 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Hilton Head Island averages 0.1 inches of snow per year. Boca Raton averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Hilton Head Island, South Carolina
Summer High: the July high is around 90.8 degrees
Winter Low: the January low is 39.2
Rain: averages 48.1 inches of rain a year
Snow: averages 0.1 inches of snow a year

Boca Raton, Florida
Summer High: the July high is around 90.3 degrees
Winter Low: the January low is 57.8
Rain: averages 60 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Hilton Head Island is 7.1 (10=best), which means it is one of the least comfortable places in South Carolina.

The annual BestPlaces Comfort Index for Boca Raton is 6.4 (10=best), which means it is less comfortable than most places in Florida.

Today's Weather - Boca Raton, FL

84°F

Today's Weather - Hilton Head Island, SC

80°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Boca Raton / Hilton Head Island

August is the hottest month for Boca Raton with an average high temperature of 90.6°, which ranks it as about average compared to other places in Florida. In Boca Raton, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boca Raton are December, February and March.

July is the hottest month for Hilton Head Island with an average high temperature of 90.8°, which ranks it as cooler than most places in South Carolina. In Hilton Head Island, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hilton Head Island are October, April and May.

January has the coldest nighttime temperatures for Boca Raton with an average of 57.8°. This is one of the warmest places in Florida.

January has the coldest nighttime temperatures for Hilton Head Island with an average of 39.2°. This is one of the warmest places in South Carolina.

In Boca Raton, there are 66.7 days annually when the high temperature is over 90°, which is cooler than most places in Florida.

In Hilton Head Island, there are 51.5 days annually when the high temperature is over 90°, which is about average compared to other places in South Carolina.

In Boca Raton, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Florida.

In Hilton Head Island, there are 17.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

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

In Hilton Head Island, 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.

September is the wettest month in Boca Raton with 8.8 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 60.0 inches in Boca Raton means that it is wetter than most places in Florida.


August is the wettest month in Hilton Head Island with 7.1 inches of rain, and the driest month is May with 2.2 inches. The wettest season is Autumn with 37% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 48.1 inches in Hilton Head Island means that it is wetter than most places in South Carolina.

August is the rainiest month in Boca Raton with 17.8 days of rain, and April is the driest month with only 7.1 rainy days. There are 141.3 rainy days annually in Boca Raton, which is one of the rainiest places in Florida. The rainiest season is Autumn when it rains 37% of the time and the driest is Spring with only a 17% chance of a rainy day.

August is the rainiest month in Hilton Head Island with 12.3 days of rain, and May is the driest month with only 6.4 rainy days. There are 103.4 rainy days annually in Hilton Head Island, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 20% chance of a rainy day.

There is rarely any recorded snowfall in Boca Raton, ranking it as one of the least snowy places in Florida.

An annual snowfall of 0.1 inches in Hilton Head Island means that it is one of the least snowy places in South Carolina.

Any measurable snowfall is a rare occurance in Boca Raton.

December is the snowiest month in Hilton Head Island with 0.1 inches of snow, and no months of the year have significant snowfall.