🇰🇾 Grand Cayman vs San Juan 🇵🇷
Grand Cayman, Cayman Islands vs San Juan, Puerto Rico — a side-by-side climate comparison to help you pick. San Juan is the warmer of the two — about 1 degree warmer on average across the year. San Juan is drier, with roughly 159 fewer rainy days a year.
Warmer · San JuanDrier · San Juan
Climate at a glance
| 🇰🇾 Grand Cayman | 🇵🇷 San Juan | |
|---|---|---|
| Avg annual high | 29°C | 30°C |
| Hottest month | August · 31°C | August · 32°C |
| Coldest month | January (25°C low) | January (21°C low) |
| Rainy days / year | 312 | 153 |
| Snow | Rare | Rare |
| Best months to visit | January, February, December | January, February, March |
🇰🇾 Grand Cayman
Best around January, February, December. Hottest in August (31°C), coldest lows in January (25°C).
🇵🇷 San Juan
Best around January, February, March. Hottest in August (32°C), coldest lows in January (21°C).
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Frequently asked questions
Is Grand Cayman or San Juan warmer?
San Juan is warmer overall, averaging about 1 degree higher across the year.
Which is rainier, Grand Cayman or San Juan?
Grand Cayman is rainier — San Juan sees about 159 fewer rainy days per year.
When is the best time to visit Grand Cayman vs San Juan?
Grand Cayman is best around January, February, December; San Juan is best around January, February, March.
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