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Charleston in April: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Charleston in April is climatically well suited to city breaks, active holidays and hiking, family holidays and beach holidays. The average daily high is around 24 °C, and the sea is about 19 °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
78/100 · #2
Warmth
#7
Dryness
#4
Sun
#4
Sea warmth
#8
Published best categories: Overall, City break, Active, Family
Charleston · AprilPhoto: Something Original ( talk ) · CC BY-SA 3.0Climate facts
- Average high
- 24 °C
- Average low
- 13 °C
- Sea
- 19 °C
- Rainy days (est.)
- 9 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 75 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| March | 20 | 9 | 10 | 90 | 5.7 | 78 | 1.5 | 16 | 63 |
| April (selected) | 24 | 13 | 9 | 82 | 7.3 | 75 | 1.4 | 19 | 78 |
| May | 29 | 18 | 12 | 86 | 7.8 | 73 | 1.3 | 23 | 75 |
How do the previous and next months compare?
Baseline: April (78/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| March | -15 | -4.3 °C | -4.1 °C | +0.9 | +8.7 mm | -1.6 h | +3.2 % | +0.1 m/s | -2.7 °C |
| May | -3 | +4.4 °C | +4.9 °C | +3 | +4 mm | +0.5 h | -1.9 % | -0.1 m/s | +4 °C |
All twelve months in context
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Frequently asked questions
How warm is Charleston in April?
The average daily high is around 24 °C, with an average daily low of about 13 °C.
Can you swim in Charleston in April?
The sea is about 19 °C (refreshing).
Does it rain a lot in Charleston in April?
The curated estimate is about 9 rainy days per month, not a directly measured long-term average. Total precipitation averages around 82 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. April is one of them.