The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Rockdale, TX vs Hilton Head Island, SC

2025 Compare Climate & Weather:
Rockdale, TX vs Hilton Head Island, SC

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Highlights

On average, there are 215 sunny days per year in Hilton Head Island. Rockdale averages 225 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. Rockdale, Texas gets 35.7 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. Rockdale averages 0.1 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

Rockdale, Texas
Summer High: the July high is around 92.3 degrees
Winter Low: the January low is 36
Rain: averages 35.7 inches of rain a year
Snow: averages 0.1 inches of snow a year

BestPlaces Comfort Index
Hilton Head Island

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.

7.1 / 10
October, April and May are the most pleasant months in Hilton Head Island, while July and August are the least comfortable months.

Rockdale

The annual BestPlaces Comfort Index for Rockdale is 7.4 (10=best), which means it is more comfortable than most places in Texas.

7.4 / 10
October, April and November are the most pleasant months in Rockdale, while August and July are the least comfortable months.

Average Monthly High / Low (°F)
MonthRockdale, TXHilton Head Island, SC
January59° / 36°60° / 39°
February62° / 40°63° / 42°
March69° / 47°69° / 48°
April76° / 54°76° / 55°
May83° / 63°83° / 64°
June89° / 69°88° / 71°
July92° / 71°91° / 74°
August94° / 71°90° / 74°
September88° / 65°85° / 69°
October79° / 56°77° / 59°
November69° / 46°70° / 50°
December60° / 37°62° / 42°
Hot, Freezing, Rainy, Snowy Days: Rockdale / Hilton Head Island
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 011 / 77 / 100 / 0
February0 / 06 / 47 / 80 / 0
March0 / 02 / 18 / 80 / 0
April1 / 00 / 06 / 70 / 0
May4 / 30 / 08 / 60 / 0
June13 / 110 / 08 / 110 / 0
July22 / 180 / 04 / 110 / 0
August24 / 150 / 04 / 120 / 0
September12 / 50 / 06 / 90 / 0
October2 / 00 / 07 / 70 / 0
November0 / 03 / 17 / 70 / 0
December0 / 010 / 58 / 80 / 0
August is the hottest month for Rockdale with an average high temperature of 93.5°, which ranks it as cooler than most places in Texas. In Rockdale, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rockdale are October, April and May.

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 Rockdale with an average of 36.0°. This is about average compared to other places in Texas.

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 Rockdale, there are 78.3 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

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 Rockdale, there are 32.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

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

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.

May is the wettest month in Rockdale with 4.7 inches of rain, and the driest month is August with 2.1 inches. The wettest season is Summer with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 35.7 inches in Rockdale means that it is about average compared to other places in Texas.


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.

March is the rainiest month in Rockdale with 8.1 days of rain, and August is the driest month with only 4.2 rainy days. There are 78.1 rainy days annually in Rockdale, which is rainier than most places in Texas. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 21% 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.

An annual snowfall of 0.1 inches in Rockdale means that it is less snowy than most places in Texas.

An annual snowfall of 0.1 inches in Hilton Head Island means that it is one of the least snowy places in South Carolina.
January is the snowiest month in Rockdale with 0.1 inches of snow, and no months of the year have significant snowfall.

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

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Rockdale    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Rockdale

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Reviews for Hilton Head Island    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Hilton Head Island

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Zips In Rockdale, Texas
76567
Zips In HILTON HEAD ISLAND, SOUTH CAROLINA
29926, 29928
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