Weather in Grand Cayman, Cayman Islands in May

So you're interested in going to Grand Cayman, Cayman Islands in May

May is a hot and dry time for sunbathing in Grand Cayman. May is an excellent month for swimming in Grand Cayman with very warm sea temperatures. Consider visiting Grand Cayman in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for May.

Temperature in Grand Cayman in May

The average maximum temperature in Grand Cayman in May is 31°. The average maximum temperature is 30° in the previous month and 31° in the next month.

The average temperature in Grand Cayman in May is 28°. The average temperature ranges is 27° in the previous month and 29° in the next month.

The average minimum temperature in Grand Cayman in May is 26°. The minimum temperature is 25° in the previous month and 27° in the next month.

Sunshine in Grand Cayman in May

The average day light hours per day in Grand Cayman in May are 13 and there are 6 hours of sunshine per day on average during May making it a sunny month that is overcast at times.

The ultraviolet index in Grand Cayman in May is typically 13.3 during May. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Grand Cayman in May

The average sea water temperature in Grand Cayman in May is 28.3° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Grand Cayman in May

The average total rainfall in Grand Cayman in May is 1cm and on average there are 9.9 rainy days in May making it a dry time to visit the beach.

Humidity in Grand Cayman in May

The maximum dew point (an indicator of humidity) in Grand Cayman in May is 25° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 24° in the previous month and 26° in the next month.

The average maximum relative humidity in Grand Cayman in May is typically 89%. The maximum relative humidity is 87.8% in the previous month and 90.4% in the next month.

The average relative humidity in Grand Cayman in May is typically 76.9%. The average relative humidity is 75.5% in the previous month and 78.6% in the next month.

Wind Speed in Grand Cayman in May

The average maximum wind speed in Grand Cayman in May is typically 24kmh. The average maximum wind speed is 26kmh in the previous month and 24kmh in the next month.

The average wind speed in Grand Cayman in May is typically 15kmh. The average wind speed is 17kmh in the previous month and 15kmh in the next month.

The average wind direction in Grand Cayman in May is from the East-Southeast.

Monthly Averages

Suggested Beaches in May

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