Grand Cayman in March
In March, Grand Cayman averages 28°C (82°F) during the day and 25°C (76°F) at night, with frequent rain — about 24 days of the month see precipitation (50 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
March offers comfortable temperatures in Grand Cayman, with some rain to plan around.
How March compares to the rest of the year in Grand Cayman
March is in the middle of the year for warmth in Grand Cayman (9th of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 1°C below the annual average (29°C). March runs 1°C warmer than February (27°C) and warms a further 1°C into April (29°C).
March sunrise & sunset in Grand Cayman
Times shown for Grand Cayman local time (America/Cayman), calculated for the 15th of March. They shift by a few minutes day to day across the month.
Photography light in Grand Cayman — March
Golden-hour and blue-hour windows for the 15th of March, in Grand Cayman's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Grand Cayman in March
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 March's tier (Shoulder) and Grand Cayman's popularity.
Crowds & pricing — March in Grand Cayman
Grand Cayman is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — March 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 — March
Across the year Grand Cayman's sea swings from 26.9°C (February) to 30.6°C (August) — March sits at 27.4°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 March weather
🌍 See the full ranked list of climate twins for Grand Cayman in March →
Frequently asked questions
How hot is Grand Cayman in March?
In March, Grand Cayman averages a high of 28°C (82°F) and a low of 25°C (76°F) — generally warm.
Does it rain a lot in Grand Cayman in March?
March is quite rainy in Grand Cayman, with about 24 rainy days on average.
Is March a good time to visit Grand Cayman?
March is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Grand Cayman in March?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full March packing list for Grand Cayman for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.