Saint Barthélemy · SummerMonth summary
Saint Barthélemy weather in August
✅ Good
🌡️ Temperature min / max
79°F – 82°F
🌧 Rainy days
48% of days
☀️ Sunshine
12.0h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.0/10
📅 📅 Best month
March (8.4/10)
Quick decision
Should you visit Saint Barthélemy in August?
✅ Good
✅ Yes if: you want long sunny days and outdoor activities.
❌ No if: you want to avoid summer crowds — this is peak tourist season.
Our take: August is a good time to visit Saint Barthélemy. March remains slightly better (+0.4 pts).
By trip type
Saint Barthélemy in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in August
Summer in Saint Barthélemy brings pleasant temperatures (28°F) and long sunny days (12.0h of sunshine). With 48% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if March (8.4/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 75°F | 79°F | 42% | 0.0in | 10.9h | 8.0/10 |
| 🌤️ February | 75°F | 77°F | 36% | 0.1in | 11.0h | 8.0/10 |
| 🌤️ March | 75°F | 77°F | 25% | 0.0in | 11.4h | 8.4/10 |
| 🌤️ April | 75°F | 79°F | 38% | 0.1in | 12.0h | 8.2/10 |
| 🌤️ May | 77°F | 81°F | 35% | 0.1in | 12.1h | 8.4/10 |
| 🌤️ June | 79°F | 81°F | 35% | 0.1in | 12.2h | 8.4/10 |
| 🌤️ July | 79°F | 82°F | 51% | 0.1in | 12.2h | 8.0/10 |
| 🌤️ August | 79°F | 82°F | 48% | 0.1in | 12.0h | 8.0/10 |
| 🌤️ September | 79°F | 82°F | 59% | 0.2in | 11.9h | 7.6/10 |
| 🌤️ October | 79°F | 82°F | 57% | 0.1in | 11.4h | 7.7/10 |
| 🌤️ November | 79°F | 81°F | 53% | 0.1in | 10.6h | 7.6/10 |
| 🌤️ December | 77°F | 79°F | 43% | 0.1in | 10.5h | 7.9/10 |
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 August, Saint Barthélemy averages 82°F, 48% rainy days and 12.0h of sunshine per day. Overall weather score: 8.0/10.
See methodology →
Comparison
August vs March (best month)
The best month is March (score 8.4/10). Difference:
- 🌡️ Max temperature : -3°F
- 🌧 Rainy days : -23%
- ☀️ Sunshine : -0.6h/day
FAQ
FAQ — Saint Barthélemy in August
Is August a good time to visit Saint Barthélemy?
August is an excellent time to visit Saint Barthélemy (score 8.0/10). With 82°F, 12.0h of sunshine and 48% rain, conditions are very favourable.
What to do in Saint Barthélemy in August?
With 82°F and 12.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
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