Best Time to Visit Charleston
United States · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Charleston are March, April and November, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Charleston sees its warmest weather in July, when daytime highs average around 33°C, and its coolest in January (around 16°C).
Annual precipitation totals roughly 1334mm — August is typically the wettest month (~177mm) and November the driest (~68mm).
A distinctly wetter period runs from June to October — worth planning around if you prefer dry days.
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 37 days
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 16° / 4°C | 86mm | 👍 Good |
| February | 18° / 5°C | 77mm | 👍 Good |
| March | 21° / 9°C | 85mm | 🌟 Great |
| April | 25° / 13°C | 84mm | 🌟 Great |
| May | 29° / 17°C | 84mm | 👍 Good |
| June | 31° / 21°C | 158mm | 🤔 Fair |
| July | 33° / 23°C | 168mm | ⚠️ Challenging |
| August | 32° / 23°C | 177mm | ⚠️ Challenging |
| September | 30° / 20°C | 153mm | 🤔 Fair |
| October | 26° / 14°C | 110mm | 👍 Good |
| November | 21° / 8°C | 68mm | 🌟 Great |
| December | 17° / 5°C | 85mm | 👍 Good |
FAQ
- What is the best time to visit Charleston?
- Based on 30 years of climate data, the most comfortable months to visit Charleston are March, April and November, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Charleston?
- July is typically the hottest month in Charleston, with average daytime highs around 33°C.
- What is the rainiest month in Charleston?
- August is usually the wettest month, with around 177mm of precipitation.