Grand Cayman in July
In July, Grand Cayman averages 31°C (87°F) during the day and 27°C (81°F) at night, with frequent rain — about 29 days of the month see precipitation (54 mm total).
High seasonConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
July is one of the wetter and less comfortable months in Grand Cayman. If your dates are flexible, consider a different time of year.
How July compares to the rest of the year in Grand Cayman
July is one of the warmest months in Grand Cayman (2nd of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 2°C above the annual average (29°C). July runs 1°C warmer than June (30°C) and stays flat into August.
July sunrise & sunset in Grand Cayman
Times shown for Grand Cayman local time (America/Cayman), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Grand Cayman — July
Golden-hour and blue-hour windows for the 15th of July, in Grand Cayman's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Grand Cayman in July
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 July's tier (High season) and Grand Cayman's popularity.
Crowds & pricing — July in Grand Cayman
This is a busy month in Grand Cayman — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — July 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 — July
Across the year Grand Cayman's sea swings from 26.9°C (February) to 30.6°C (August) — July sits at 30°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 July weather
🌍 See the full ranked list of climate twins for Grand Cayman in July →
Frequently asked questions
How hot is Grand Cayman in July?
In July, Grand Cayman averages a high of 31°C (87°F) and a low of 27°C (81°F) — generally hot.
Does it rain a lot in Grand Cayman in July?
July is quite rainy in Grand Cayman, with about 29 rainy days on average.
Is July a good time to visit Grand Cayman?
July 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 July?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Grand Cayman for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.