Beach weather in St John Island, US Virgin Islands in May

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Visiting St John Island, US Virgin Islands in May

30°C (85°F) Air Temperature

27°C (81°F) Sea Temperature

6.9 Hrs of Sun / Day

16.5 Days of Rain

May has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 53% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day. May has total rainfall of 12.9cm (5.1inches) making it a bit rainy but with only moderate tropical showers. There are 16.5 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in St John Island. Sea temperatures are a very warm 27°C (81°F). May is an excellent month for swimming in St John Island with very comfortable temperatures for bathing all day.

Consider visiting St John Island in the months of January, February, March, April, for the best beach weather.

Also consider one of our other suggestions for May.

Can you sunbathe in St John Island in May?

Yes, May is a good time for sunbathing in St John Island.

More about May temperature and sunshine.

Can you swim in St John Island in May?

Yes, May is an excellent month for swimming in St John Island with very warm sea temperatures 27°C (81°F).

More about May sea temperatures.

Is May a good time to holiday in St John Island?

Yes, May is a good time for a holiday in St John Island.

More about the May temperatures and sunshine.

Is St John Island warm in May?

Yes, St John Island is very warm and perfect for sunbathing on clear days in May.

The average maximum temperature in St John Island in May is 30°C (85°F). The average maximum temperature is 29°C (84°) in the previous month and 31°C (88°F) in the next month.

The average temperature in St John Island in May is 27°C (81°F). The average temperature is 26°C (79°F) in the previous month and 29°C (83°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is St John Island in May?

The average day light hours per day in St John Island in May are 13. The sunshine percentage is 53% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day.

More about May sunshine.

Temperature in St John Island in May

The average maximum temperature in St John Island in May is 30°C (85°F). The average maximum temperature is 29°C (84°F) in the previous month and 31°C (88°F) in the next month.

The average temperature in St John Island in May is 27°C (81°F). The average temperature is 26°C (79°F) in the previous month and 29°C (83°F) in the next month.

The average minimum temperature in St John Island in May is 25°C (76°F). The minimum temperature is 23°C (74°F) in the previous month and 26°C (79°F) in the next month.

Sunshine in St John Island in May

During May the average day light hours are 13 per day in St John Island. The sunshine percentage is 53% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day.

The ultraviolet index in St John Island in May is typically 13.4 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 St John Island in May

The average sea water temperature in St John Island in May is 27.1°C (80.8°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in St John Island in May

The average total rainfall in St John Island in May is 12.9cm (5.1inches) and on average there are 16.5 rainy days in May making it a wet time to visit the beach.

Humidity in St John Island in May

The maximum dew point (an indicator of humidity) in St John Island in May is 24°C (74°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 22°C (72°F) in the previous month and 24°C (24°F) in the next month.

The average maximum relative humidity in St John Island in May is typically 86.4%. The maximum relative humidity is 84.2% in the previous month and 85.2% in the next month.

The average relative humidity in St John Island in May is typically 75.9%. The average relative humidity is 73% in the previous month and 74.2% in the next month.

Wind Speed in St John Island in May

The average maximum wind speed in St John Island in May is typically 29KM/H (18MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 30KM/H (19MPH) in the next month.

The average wind speed in St John Island in May is typically 16KM/H (10MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 17KM/H (11MPH) in the next month.

The average wind direction in St John Island in May is from the East-Southeast.

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