Edisto Island (SC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Edisto Island.
Climate overview of Edisto Island
Edisto Island, in South Carolina, experiences a humid subtropical climate with significant seasonal temperature variation. The coastal island has very warm, humid summers and mild winters with the region receiving substantial rainfall throughout the year, with slightly higher precipitation during the summer months from tropical storms and thunderstorms.
This barrier island attracts people with its undeveloped beaches and rich Lowcountry history including historic churches. It's also known for sea turtle nesting sites, world-class shelling, and peaceful atmosphere away from more commercialized beach destinations. Let's now guide you through the climate details for a complete overview on the best time to visit.
Edisto Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Edisto Island — and find the best time to visit.
Monthly Temperature in Edisto Island
Depending on the time of the year, temperatures range from very warm to moderate in Edisto Island. Average daytime temperatures reach a very warm 33°C (91°F) in July. In January, the coolest month of the year, temperatures drop to a moderate 15°C (59°F).
At night, temperatures range from around 24°C (75°F) in July to 5°C (41°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Edisto Island
Edisto Island has a relatively rainy climate with high precipitation levels, averaging 1213 mm (48 in) of rainfall annually. Edisto Island can be quite wet during August, receiving approximately 177 mm (7 in) of precipitation over 15 rainy days.
In contrast, during the driest month (May), you will experience much drier conditions, with 62 mm (2.4 in) of precipitation spread across 8 rainy days days. For more details, please visit our Edisto 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 Hours in Edisto Island
Edisto Island can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Edisto Island by Month
The relative humidity is high throughout the year in Edisto Island.
The city experiences its highest humidity in August, reaching 79%. In February, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Edisto Island
Rainfall during this time ranges from 62 mm (2.4 in) in May to 126 mm (5 in) in September. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during August, bringing heavy precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Edisto Island
What is the best time to visit Edisto Island?
March, April, May and November typically offer the most optimal weather in Edisto Island. In contrast, July tends to have less optimal conditions.
What temperatures can I expect in Edisto Island?
Daytime highs range from 15°C (59°F) in January to 33°C (91°F) in July. Nighttime lows range from 5°C (41°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Edisto Island get?
Annual rainfall is around 1213 mm (48 in). August is the wettest month with 177 mm (7 in), while May is the driest with 62 mm (2.4 in).
How sunny is Edisto Island?
Edisto Island receives around 2,810 hours of sunshine per year. May is the sunniest month with 295 hours, while December is the cloudiest with just 170 hours. Overall, Edisto Island enjoys abundant sunshine.
Edisto Island 3-Day Forecast
Edisto Island (SC) 3-Day Forecast
Edisto Island on the map
Edisto Island is highlighted — select any city to see its climate.
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