Grand Cayman in October
In October, Grand Cayman averages 30°C (85°F) during the day and 26°C (80°F) at night, with frequent rain — about 28 days of the month see precipitation (155 mm total).
Off-peakConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
It's peak hurricane season in Grand Cayman during October. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How October compares to the rest of the year in Grand Cayman
October is in the middle of the year for warmth in Grand Cayman (5th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature matches the city's annual average. October runs 1°C cooler than September (31°C) and cools 1°C in November (29°C).
October sunrise & sunset in Grand Cayman
Times shown for Grand Cayman local time (America/Cayman), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Grand Cayman — October
Golden-hour and blue-hour windows for the 15th of October, in Grand Cayman's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Grand Cayman in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Off-peak) and Grand Cayman's popularity.
Crowds & pricing — October in Grand Cayman
This is off-peak for Grand Cayman — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — October in Grand Cayman
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Grand Cayman — October
Across the year Grand Cayman's sea swings from 26.9°C (February) to 30.6°C (August) — October sits at 30.4°C.
Grand Cayman in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 27°C / 81°F | 25°C / 76°F | 41 mm | 24 | — |
| February | 27°C / 81°F | 25°C / 76°F | 37 mm | 23 | — |
| March | 28°C / 82°F | 25°C / 76°F | 50 mm | 24 | — |
| April | 29°C / 84°F | 25°C / 78°F | 48 mm | 24 | — |
| May | 29°C / 85°F | 26°C / 78°F | 120 mm | 29 | — |
| June | 30°C / 86°F | 27°C / 80°F | 120 mm | 26 | — |
| July | 31°C / 87°F | 27°C / 81°F | 54 mm | 29 | — |
| August | 31°C / 88°F | 27°C / 81°F | 100 mm | 28 | — |
| September | 31°C / 87°F | 27°C / 81°F | 104 mm | 28 | — |
| October | 30°C / 85°F | 26°C / 80°F | 155 mm | 28 | — |
| November | 29°C / 83°F | 26°C / 78°F | 104 mm | 26 | — |
| December | 28°C / 82°F | 25°C / 78°F | 51 mm | 23 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Grand Cayman in October →
Frequently asked questions
How hot is Grand Cayman in October?
In October, Grand Cayman averages a high of 30°C (85°F) and a low of 26°C (80°F) — generally hot.
Does it rain a lot in Grand Cayman in October?
October is quite rainy in Grand Cayman, with about 28 rainy days on average.
Is October a good time to visit Grand Cayman?
October is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Grand Cayman in October?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full October packing list for Grand Cayman for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.