Best time to visit Cayman Islands

The best time to visit the Cayman Islands is from late-December through to mid-April when the temperature averages a balmy 26°C (79°F).

With a pleasant year-round temperature and continuous bright sunshine, the Cayman Islands are considered a year-round holiday destination.


Cayman Islands weather

The Cayman Islands experience a hot, tropical and humid climate year-round, with a dry and relatively cool season from late-November to mid-April, when the northeast trade winds blow, and a muggy, rainy season from May to early-November.

Which is the hottest month in the Cayman Islands?
The hottest month in the Cayman Islands is usually July, with an average daily high temperature of 32°C (89°F) on average, with very high heat and humidity, and a low of 26°C (79°F).

The hot season lasts from mid-June through September, with an average daily high temperature above 31°C (87°F).

Which is the coldest month in the Cayman Islands?
The coldest month in the Cayman Islands is January, with an average high-temperature of 28°C (82°F) and an average low temperature of 22°C (71°F).

The cool season lasts from mid-December to mid-March, with an average daily high temperature below 29°C (84°F).

Which is the sunniest month in the Cayman Islands?
The sunniest month of the year in the Cayman Islands is usually April, with 10 hours of bright sunshine per day: that's an average of 77% of daylight hours.

Which month has the most rain in the Cayman Islands?
September and October are usually the wettest months in the Cayman Islands with 220mm of monthly rainfall on average. There are normally 16 days in September with some rainfall, and 15 days in October.

The wet, summer season lasts from mid-May to mid-November, with a greater than 21% chance of any given day being a wet day, although rainfall is often limited to periodic showers and thunderstorms in the evening.

When is the sea warmest in the Cayman Islands?
The sea is usually at its warmest in the Cayman Islands in August when the water temperature reaches 30°C (86°F).

Which is the windiest month in the Cayman Islands?
The windiest month of the year in the Cayman Islands is December, with an average hourly wind speed of 25 kilometres per hour (12 knots).

The windy part of the year lasts from mid-October through to late-March, with average wind speeds of more than 21 kilometres per hour (10.7 knots).

The less-windy time of year lasts from late-March through to mid-October. The calmest month of the year in the Cayman Islands is September, with an average hourly wind speed of 17 kilometres per hour (9 knots).

The predominant average hourly wind direction in the Cayman Islands is from the east throughout the year.

Is there a risk of a tropical storm in the Cayman Islands?
The likelihood of a tropical storm in the Cayman Islands is greatest during the wet season with a risk of around 3% in August and September.

Although hurricanes are infrequent around the Cayman Islands, June through November marks the official Atlantic hurricane season.


Cayman Islands – Monthly Weather

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average daily max temp (°C)
28 29 29 30 31 32 32 32 32 31 30 29
Average daily min temp (°C)
22 22 23 24 25 25 25 26 25 25 24 23
Daily hours of sunshine
8 8 9 10 9 8 9 8 8 8 7 7
Daily hours of daylight
11 12 12 13 13 13 13 13 12 12 11 11
Comfort level
Moderately hot icon Moderately hot icon Moderately hot icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon High heat & humidity icon Moderately hot icon
Average relative humidity (%)
80 80 80 75 80 80 80 80 80 80 80 80
UV Index (max)
8 10 11 11 11 11 11 11 11 10 8 7
Number of days with some rainfall
7 6 6 4 10 12 12 14 16 15 12 9
Average monthly rainfall (mm)
50 40 35 30 150 160 145 150 220 220 155 70
Average wind speed (km/h)
24 23 22 20 20 20 19 18 17 20 24 25
Average daily sea temp (°C)
27 27 27 27 28 29 29 30 30 29 28 28
George Town, Grand Cayman

Holiday seasons

High season: Mid-December to mid-April

Low season: From May to November, with discounts of up to 50 per cent; however while hotels are open during this period, many restaurants and bars close for the season.


Note: Meteorological data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA) and the World Meteorological Organization (WMO).


Latest update: Best time to visit the Cayman Islands: 2 July, 2022



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