Grand Cayman’s average high temperature and rainfall in June. © Scott S. Bateman

Grand Cayman weather in June usually offers plenty of hot weather for visitors who like it hot.

Grand Cayman is the dominant island in the small Cayman Islands chain. It has a hugely popular cruise port at Georgetown. It is a common port of call for western Caribbean cruises.

The island historically is one of the hottest destinations in the Caribbean, and June is no exception. But anyone thinking about going to Grand Cayman that month should know the risk of rain is higher then.

Cayman Temperatures

The average high temperature for Grand Cayman in June is 92 degrees Fahrenheit or 33 Celsius, according to the National Meteorological Service of the Cayman Islands. The average low temperature is 74 degrees Fahrenheit or 23 Celsius.

This average temperature is one of the hottest among all Caribbean destinations during June.

The average high usually is during the day, and the average low mostly occurs at night. Seawater temperatures hover about midway between those high and low air temperatures. So the seawater is comfortable and sometimes balmy for swimmers during June.

Grand Cayman’s average high temperature in June of 92 degrees Fahrenheit or 33 Celsius is typical for the island from May through November. By comparison, temperatures during the day average in the low to mid 80s Fahrenheit or high 20s Celsius during the winter.

It may be hot in June, but the rainfall is a risk.

Cayman Rainfall in June

Grand Cayman averages about six inches of rain historically during June, according to the National Meteorological Service of the Cayman Islands. Like the temperatures, June rainfall for Grand Cayman is among the highest in the Caribbean.

June is the second month of the annual rainy season for Grand Cayman that begins in May and goes through November. The rainy season is part of the Caribbean hurricane season.

In contrast, the dry season is January through April when average rainfall is less than two inches a month. This dry season is the best and most popular time to visit the island for cruise and hotel visitors.

The dry season has about 10 days with rain each month. June averages 16.

Vacationers who can travel only during the summer because of jobs or kids in school will find that June or July are better than August for the risk of rain.

Total rainfall and the number of days with rain begins climbing in August until reaching the high point of the year in September and October. Rainfall then averages about eight inches a month.

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