Weather in Charleston in October 2025
Average weather
Average temperature in Charleston in October
Going from a maximum of +84°F during the day to a minimum of +48°F during the night, the temperature in October averages around +77°F.
The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +79°F to +73°F.
Is Charleston warm or cold in October?
Charleston is typically warm in October.
Maximum temperatures go down compared to the previous month from +82°F to +75°F. The minimum temperature also goes down from +70°F to +61°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how October is compared to other months in Charleston:
Climate in Charleston in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +75°F | +68°F | ||||
| Min. temperature | ||||||
| +54°F | +37°F | +28°F | ||||
| Max. temperature | ||||||
| +97°F | +95°F | +84°F | ||||
| Rainfall | ||||||
| 140 mm | 92 mm | 68 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 81% | 78% | 77% | ||||
| Air pressure | ||||||
| 1015 HPa | 1017 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 6 | 12 | 11 | ||||
| Cloudy days | ||||||
| 5 | 7 | 9 | ||||
| Rainy days | ||||||
| 19 | 12 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October often has better weather than September. It’s getting colder in October. From +82°F in the day, the average maximum temperature lowers to +75°F. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 140 mm to 92 mm. It feels drier, as humidity decreases from 81% to 78%. The average wind speed doesn’t change much during October, staying around 3 m/s. The good news is there are likely to be more sunny days in October, from 6 to 12.
Next month (November) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Charleston is gradually decreasing during October, going from 4 m/s to 2 m/s over the course of the month.
Rain
How was the weather last October in Charleston?
Climate Change Over the Years
The climate in Charleston in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1988 (+72°F) and the highest in 2012 (+77°F). The driest year was 2011 with only 770 mm of rainfall, and the wettest year was 2024 with 2044 mm.
FAQ
Is October a good time to visit Charleston?
Can you sunbathe in Charleston in October?
Is Charleston rainy in October?
Is it sunny in Charleston in October?
Other cities in USA
Monthly weather in Charleston
Source of the data
For this page, we’ve looked at the typical weather in Charleston, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
