Charleston · SpringMonth summary
Charleston weather in May
✅ Good
🌡️ Temperature min / max
20°C – 27°C
🌧 Rainy days
38% of days
☀️ Sunshine
13.0h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
8.3/10
📅 📅 Best month
April (8.3/10)
Quick decision
Should you visit Charleston in May?
✅ Good
✅ Yes if: you want good weather with lower prices than peak season.
❌ No if: you need guaranteed perfect weather — some mixed days are possible.
Our take: Favourable conditions in May (8.3/10). April scores higher but the gap is small.
By trip type
Charleston in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in May
🎯 Open terraces and outdoor markets — best season for al fresco dining Spring marks the start of the good season in Charleston. Temperatures rise (27°C) and tourists have not yet arrived en masse. Expect rain on 38% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if April (8.3/10) remains theoretically better.
Browse by month
All months for Charleston
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 6°C | 14°C | 32% | 2.6 | 9.2h | 6.2/10 |
| 🌤️ February | 9°C | 18°C | 29% | 2.7 | 10.0h | 7.2/10 |
| 🌤️ March | 12°C | 20°C | 28% | 2.4 | 10.9h | 7.5/10 |
| 🌤️ April | 16°C | 24°C | 24% | 3.3 | 12.4h | 8.3/10 |
| 🌤️ May | 20°C | 27°C | 38% | 3.2 | 13.0h | 8.3/10 |
| 🌤️ June | 23°C | 29°C | 54% | 4.2 | 12.9h | 7.7/10 |
| 🌤️ July | 25°C | 31°C | 57% | 4.1 | 12.9h | 7.4/10 |
| ⛅ August | 24°C | 30°C | 64% | 5.9 | 12.1h | 7.3/10 |
| 🌤️ September | 22°C | 28°C | 45% | 4.8 | 11.7h | 7.9/10 |
| ☀️ October | 17°C | 25°C | 24% | 2.8 | 10.4h | 8.1/10 |
| 🌤️ November | 11°C | 20°C | 25% | 2.5 | 9.9h | 7.4/10 |
| ⛅ December | 8°C | 17°C | 30% | 3.7 | 9.0h | 7.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Charleston averages 27°C, 38% rainy days and 13.0h of sunshine per day. Overall weather score: 8.3/10.
See methodology →
Comparison
May vs April (best month)
The best month is April (score 8.3/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -14%
- ☀️ Sunshine : -0.6h/day
FAQ
FAQ — Charleston in May
Is May a good time to visit Charleston?
May is an excellent time to visit Charleston (score 8.3/10). With 27°C, 13.0h of sunshine and 38% rain, conditions are very favourable.
What to do in Charleston in May?
With 27°C and 13.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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