Kiawah Island (SC) Weather and Climate: A Comprehensive Guide
The climate in Kiawah Island is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to mild in the cooler months.
It also has a relatively rainy climate with high levels of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
In Kiawah Island, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C in July to a moderate 15°C in January.
Nighttime temperatures can drop, with average lows reaching 5°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Kiawah Island experiences significant rainfall throughout the year, averaging 1202 mm of precipitation annually. The seasons in Kiawah Island, bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 175 mm of precipitation. This rainfall is distributed across 15 rainy days. In contrast, the driest month, May, experiences much less rainfall, totaling 66 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Kiawah Island Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Kiawah Island, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.7 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Kiawah Island.
The city experiences its highest humidity in August, reaching 79%. In February, the humidity drops to its lowest level at 67%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain overcast and slight rain broken clouds and no rainForecast for Kiawah Island (SC)
7 m/s
7 m/s
5 m/s
The best time of year to visit Kiawah Island in the United States of America
During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 15°C.
August tops the wettest month list with 175 mm of rainfall.
May is the driest month with 66 mm of precipitation.
May is the sunniest month with an average of 295 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
