Quick decision
When to visit Cayman Islands?
🌞 Best time overall
January
🌡️ Optimal temperature
77°F–81°F 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 °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 77°F | 81°F | 37% | 1.5in | 10.0h | 8.5/10 |
| 🌤️ February | 77°F | 82°F | 47% | 1.6in | 11.6h | 8.3/10 |
| 🌤️ March | 77°F | 82°F | 48% | 1.9in | 10.8h | 8.3/10 |
| 🌤️ April | 77°F | 84°F | 44% | 1.8in | 12.0h | 8.2/10 |
| ⛅ May | 79°F | 86°F | 65% | 4.5in | 11.6h | 7.5/10 |
| ⛅ June | 81°F | 86°F | 60% | 4.9in | 11.3h | 7.6/10 |
| 🌤️ July | 81°F | 88°F | 53% | 2.0in | 12.1h | 7.6/10 |
| 🌤️ August | 81°F | 88°F | 53% | 3.8in | 11.2h | 7.6/10 |
| ⛅ September | 81°F | 88°F | 68% | 3.9in | 11.0h | 7.4/10 |
| ⛅ October | 79°F | 86°F | 67% | 5.9in | 9.9h | 7.5/10 |
| 🌤️ November | 79°F | 82°F | 52% | 4.2in | 9.8h | 8.2/10 |
| 🌤️ December | 79°F | 82°F | 39% | 2.0in | 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°F, 52% rainy days, 11.5h sunshine/day. Score: 8.0/10.
☀️ Summer (Jun–Aug) — Good time
Average 31°F, 55% rainy days, 11.5h sunshine/day. Score: 7.6/10.
🍂 Autumn (Sep–Nov) — Good time
Average 30°F, 62% rainy days, 10.2h sunshine/day. Score: 7.7/10.
❄️ Winter (Dec–Feb) — Good time
Average 28°F, 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°F. 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°F.
In winter, the average score is 8.4/10. Acceptable conditions for cultural visits.
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