Quick decision
When to visit Cayman Islands?
🌞 Best time overall
January
🌡️ Optimal temperature
25°C–27°C in January
🌧 Least rain
37% rainy days in January
🌧 Wettest month
September (68%)
📅 Best score
8.5/10
Monthly climate data
Cayman Islands weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | 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
Source: Open-Meteo · 10 years
🌴 Tropical destination — heavy rain months benefit from an algorithmic adjustment: tropical showers are intense but brief and usually don't ruin a trip.
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 29°C, 52% rainy days, 11.5h sunshine/day. Score: 8.0/10.
☀️ Summer (Jun–Aug) — Good time
Average 31°C, 55% rainy days, 11.5h sunshine/day. Score: 7.6/10.
🍂 Autumn (Sep–Nov) — Good time
Average 30°C, 62% rainy days, 10.2h sunshine/day. Score: 7.7/10.
❄️ Winter (Dec–Feb) — Good time
Average 28°C, 41% rainy days, 10.5h sunshine/day. Score: 8.4/10.
Accommodation
Find a place to stay in Cayman Islands
Check availability during the recommended period
Tip : off-peak months (September, October) are cheapest but weather is significantly worse.
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Activities and tours in Cayman Islands
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
January is ideal with 37% rainy days and 27°C. The months of January & December offer comparable conditions.
September is the wettest month with 68% rainy days.
Yes, January is the best month with an average of 27°C.
In winter, the average score is 8.4/10. Acceptable conditions for cultural visits.
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