USA
Charleston in October: weather, sea & travel advice
This month's data profile
Sea conditions lead
Charleston in October is climatically well suited to family holidays, city breaks, beach holidays and active holidays and hiking. The average daily high is around 25 °C, and the sea is about 24 °C. With about 9 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
85/100 · #1
Warmth
#6
Dryness
#3
Sun
#8
Sea warmth
#5
Published best categories: Overall, Beach, City break, Family
Charleston · OctoberPhoto: Something Original ( talk ) · CC BY-SA 3.0Climate facts
- Average high
- 25 °C
- Average low
- 15 °C
- Sea
- 24 °C
- Rainy days (est.)
- 9 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 79 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| September | 29 | 21 | 14 | 128 | 5.9 | 80 | 1.3 | 27 | 68 |
| October (selected) | 25 | 15 | 9 | 101 | 5.0 | 79 | 1.3 | 24 | 85 |
| November | 20 | 10 | 7 | 66 | 3.9 | 79 | 1.3 | 20 | 72 |
How do the previous and next months compare?
Baseline: October (85/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| September | -17 | +4.2 °C | +5.7 °C | +4.9 | +27.3 mm | +0.9 h | +1.2 % | ±0 m/s | +3.3 °C |
| November | -13 | -5.1 °C | -5.5 °C | -1.4 | -34.6 mm | -1.1 h | +0.2 % | ±0 m/s | -3.8 °C |
All twelve months in context
Find a place to stay
Where to stay in Charleston
Compare available stays, prices and cancellation terms for Charleston on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Charleston in October?
The average daily high is around 25 °C, with an average daily low of about 15 °C.
Can you swim in Charleston in October?
The sea is about 24 °C (swimmable).
Does it rain a lot in Charleston in October?
The curated estimate is about 9 rainy days per month, not a directly measured long-term average. Total precipitation averages around 101 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Charleston?
By the climate score, April, May, October and November are the strongest months for Charleston. For a beach trip: May, June, September and October. October is one of them.