Cayman Islands · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit George Town are January, February and March, when daytime temperatures are agreeable and rainfall is relatively low.
George Town sees its warmest weather in August, when daytime highs average around 32°C, and its coolest in January (around 28°C).
Annual precipitation totals roughly 1424mm — October is typically the wettest month (~239mm) and March the driest (~30mm).
A distinctly wetter period runs from May to November — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 28° / 23°C | 55mm | 👍 Good |
| February | 29° / 23°C | 30mm | 🌟 Great |
| March | 29° / 23°C | 30mm | 👍 Good |
| April | 30° / 24°C | 34mm | 👍 Good |
| May | 31° / 25°C | 150mm | 🤔 Fair |
| June | 32° / 26°C | 160mm | 🤔 Fair |
| July | 32° / 26°C | 144mm | 🤔 Fair |
| August | 32° / 26°C | 147mm | 🤔 Fair |
| September | 32° / 26°C | 223mm | ⚠️ Challenging |
| October | 31° / 25°C | 239mm | ⚠️ Challenging |
| November | 30° / 25°C | 152mm | 🤔 Fair |
| December | 29° / 24°C | 62mm | 👍 Good |
January in George Town is warm, with average daytime highs around 28°C (83°F) and nighttime lows near 23°C (73°F). Expect roughly 55mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
February in George Town is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 23°C (73°F). Expect roughly 30mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
March in George Town is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 23°C (74°F). Expect roughly 30mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
April in George Town is hot, with average daytime highs around 30°C (87°F) and nighttime lows near 24°C (76°F). Expect roughly 34mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
May in George Town is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 25°C (77°F). Expect roughly 150mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
June in George Town is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 26°C (79°F). Expect roughly 160mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
July in George Town is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 26°C (79°F). Expect roughly 144mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
August in George Town is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 26°C (79°F). Expect roughly 147mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
September in George Town is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 26°C (78°F). Expect roughly 223mm of precipitation spread over about 13 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
October in George Town is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 25°C (77°F). Expect roughly 239mm of precipitation spread over about 14 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
November in George Town is warm, with average daytime highs around 30°C (86°F) and nighttime lows near 25°C (76°F). Expect roughly 152mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
December in George Town is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 24°C (74°F). Expect roughly 62mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses