Mount Pleasant (SC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mount Pleasant.
Climate overview of Mount Pleasant
Mount Pleasant, in South Carolina, experiences a humid subtropical climate with significant seasonal temperature variation. The coastal town 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 historic town attracts tourists with its proximity to Charleston's harbor and is also known as the gateway to nearby beaches like Sullivan's Island and Isle of Palms, and for its authentic Southern charm. Let's now guide you through the climate details for a complete overview on the best time to visit.
Mount Pleasant Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mount Pleasant - and find the best time to visit.
Monthly Temperature in Mount Pleasant
In Mount Pleasant, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in August to a moderate 15°C (59°F) in the coolest month, January.
Nights vary from 24°C (75°F) in August to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mount Pleasant
Mount Pleasant experiences significant rainfall throughout the year, averaging 1294 mm (51 in) of precipitation annually. The climate in Mount Pleasant shows significant variation throughout the year. Expect heavy rainfall in August, the wettest month, with an average of 186 mm (7.3 in) of precipitation over 16 rainy days.
In contrast, the driest month May offers drier and sunnier days, with around 72 mm (2.8 in) of rainfall over 8 rainy days. For more details, please visit our Mount Pleasant 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 Mount Pleasant
For those who appreciate different seasons, Mount Pleasant serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 9.8 hours of sunshine daily, and embrace the darker days in December, offering only 5.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Mount Pleasant by Month
The relative humidity is high throughout the year in Mount Pleasant.
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 Mount Pleasant
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May and November
- Warmest weather: June, July and August
- Most sunshine: May and July
- Seasonal pattern: Very warm summers and mild winters
Frequently asked questions about the climate in Mount Pleasant
What is the best time to visit Mount Pleasant?
April, May and November typically offer the most optimal weather in Mount Pleasant. In contrast, August tends to have less optimal conditions. Mount Pleasant has very warm summers and mild winters.
What temperatures can I expect in Mount Pleasant?
Daytime highs range from 15°C (59°F) in January to 32°C (90°F) in August. Nighttime lows range from 5°C (41°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Mount Pleasant get?
Annual rainfall is around 1294 mm (51 in). August is the wettest month with 186 mm (7.3 in), while May is the driest with 72 mm (2.8 in).
How sunny is Mount Pleasant?
Mount Pleasant 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, Mount Pleasant enjoys abundant sunshine.
Mount Pleasant 3-Day Forecast
Mount Pleasant (SC) 3-Day Forecast
Mount Pleasant on the map
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