Cayman Islands · SummerMonth summary
Cayman Islands weather in August
✅ Good
🌡️ Temperature min / max
27°C – 31°C
🌧 Rainy days
53% of days
☀️ Sunshine
11.2h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.6/10
📅 📅 Best month
January (8.5/10)
Quick decision
Should you visit Cayman Islands in August?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Cayman Islands in August: 31°C and 11.2h of sunshine. Decent, but not the peak.
By trip type
Cayman Islands 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
In the height of summer, Cayman Islands sees high temperatures (31°C). Heat is a factor for outdoor activities. With 53% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if January (8.5/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 25°C | 27°C | 37% | 38.1 | 10.0h | 8.5/10 |
| 🌤️ February | 25°C | 28°C | 47% | 40.7 | 11.6h | 8.3/10 |
| 🌤️ March | 25°C | 28°C | 48% | 47.9 | 10.8h | 8.3/10 |
| 🌤️ April | 25°C | 29°C | 44% | 45.0 | 12.0h | 8.2/10 |
| ⛅ May | 26°C | 30°C | 65% | 114.7 | 11.6h | 7.5/10 |
| ⛅ June | 27°C | 30°C | 60% | 124.2 | 11.3h | 7.6/10 |
| 🌤️ July | 27°C | 31°C | 53% | 51.4 | 12.1h | 7.6/10 |
| 🌤️ August | 27°C | 31°C | 53% | 96.5 | 11.2h | 7.6/10 |
| ⛅ September | 27°C | 31°C | 68% | 99.8 | 11.0h | 7.4/10 |
| ⛅ October | 26°C | 30°C | 67% | 151.0 | 9.9h | 7.5/10 |
| 🌤️ November | 26°C | 28°C | 52% | 107.6 | 9.8h | 8.2/10 |
| 🌤️ December | 26°C | 28°C | 39% | 50.0 | 9.8h | 8.5/10 |
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, Cayman Islands averages 31°C, 53% rainy days and 11.2h of sunshine per day. Overall weather score: 7.6/10.
See methodology →
Comparison
August vs January (best month)
The best month is January (score 8.5/10). Difference:
- 🌡️ Max temperature : -4°C
- 🌧 Rainy days : -16%
- ☀️ Sunshine : -1.2h/day
FAQ
FAQ — Cayman Islands in August
Is August a good time to visit Cayman Islands?
August is an excellent time to visit Cayman Islands (score 7.6/10). With 31°C, 11.2h of sunshine and 53% rain, conditions are very favourable.
Does it rain a lot in Cayman Islands in August?
Yes, 53% of days see rain in August. Plan some indoor activities as backup.
Accommodation
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