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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Perspective Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Cayman weather is tropical and consistently warm, with average highs near 30°C year round; the main seasonal difference is rainfall, with a drier stretch from November through April and a wetter season from May to October. The live forecast above gives you the latest conditions for Grand Cayman, including hourly details and a 10‑day outlook.
When is the best time to visit the Cayman Islands?
The driest months are November through April, making cayman weather november and cayman weather december ideal for beachgoers. Crowds and prices also peak then. May through October brings more rain and humidity, but also lower rates. For a detailed breakdown, see cayman weather by month guides to plan around your preferences.
How does hurricane season affect the forecast?
Hurricane season runs from June 1 to November 30, with highest activity from August to October. The islands’ National Weather Service issues real‑time updates, and the live forecast above includes any tropical alerts. Always check grand cayman weather radar and the 15‑day outlook before travel during these months.
Does it rain every day in Cayman during the wet season?
No. Showers are frequent but usually brief, often in the morning or late afternoon. You’ll still get plenty of sun. For a precise hourly breakdown, refer to the live forecast above.
What is the water temperature in Grand Cayman?
Sea temperatures range from 26°C in winter to 29°C in late summer. Snorkelling and diving are comfortable year‑round. Check the live forecast for current conditions.
Is a 15‑day forecast reliable for Cayman?
Long‑range forecasts give a useful trend but become less accurate beyond 7 days. For trip planning, combine the 15‑day outlook with the live forecast and local radar updates.
Sources
For a comparison with Canadian climates, see our Toronto weather and Vancouver weather pages. Stay informed with our weather warning page for alerts across Canada.