Weather in Trunk Bay, St John Island, US Virgin Islands in August

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Visiting Trunk Bay, St John Island, US Virgin Islands in August

The weather in August is marginally cooler than the previous month and temperatures continue to drop slightly into September. August has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Trunk Bay.

August has total rainfall of 16.1cm (6.3inches) making it quite rainy but with only moderate showers. There are 21.6 days with some rainfall so there are few clear days to enjoy the beach.

Sea temperatures are a very warm 28°C (82°F). August is an excellent month for swimming in Trunk Bay with very comfortable temperatures for bathing all day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

August experiences a mix of sunny days and rain showers, similar to July. Despite the wetter weather, beach activities such as swimming, sunbathing, and snorkeling remain popular. The winds are still suitable for windsurfing and kitesurfing, and the underwater visibility is good for diving enthusiasts. Consider visiting Trunk Bay in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in Trunk Bay in August?

Yes, August is not an optimal time for sunbathing but it is possible on clearer days in Trunk Bay.

August has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day. August has total rainfall of 16.1cm (6.3inches) making it quite rainy but with only moderate showers. There are 21.6 days with some rainfall so there are few clear days to enjoy the beach.

More about August temperature and sunshine.

Can you swim in Trunk Bay in August?

Yes, August is an excellent month for swimming in Trunk Bay with very warm sea temperatures 28°C (82°F).

More about August sea temperatures.

Is August a good time to holiday in Trunk Bay?

Yes, August is a good time for a holiday in Trunk Bay.

August has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day. August has total rainfall of 16.1cm (6.3inches) making it quite rainy but with only moderate showers. There are 21.6 days with some rainfall so there are few clear days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in Trunk Bay. Sea temperatures are a very warm 28°C (82°F). August is an excellent month for swimming in Trunk Bay with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Trunk Bay warm in August?

Yes, Trunk Bay is very hot and perfect for sunbathing on clear days in August.

The average maximum temperature in Trunk Bay in August is 31°C (89°F). The average maximum temperature is 32°C (89°) in the previous month and 31°C (88°F) in the next month.

The average temperature in Trunk Bay in August is 29°C (84°F). The average temperature is 29°C (84°F) in the previous month and 29°C (83°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Trunk Bay in August?

The average day light hours per day in Trunk Bay in August are 12.8. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day.

More about August sunshine.

Crowds in Trunk Bay in August

August is one of the least crowded months at Trunk Bay, as it falls during the low season for tourism and many people avoid the Caribbean due to hurricane season. The beach is much quieter, and there are no specific events in August that affect the crowd levels.

Temperature in Trunk Bay in August

The weather in August is marginally cooler than the previous month and temperatures continue to drop slightly into September. The average maximum temperature in Trunk Bay in August is 31°C (89°F). The average maximum temperature is 32°C (89°F) in the previous month and 31°C (88°F) in the next month.

The average temperature in Trunk Bay in August is 29°C (84°F). The average temperature is 29°C (84°F) in the previous month and 29°C (83°F) in the next month.

The average minimum temperature in Trunk Bay in August is 26°C (79°F). The minimum temperature is 26°C (79°F) in the previous month and 26°C (79°F) in the next month.

Sunshine in Trunk Bay in August

The days in August are marginally shorter than the previous month and days continue to get slightly shorter into September. August has slightly less hours of sunshine than the previous month. During August the average day light hours are 12.8 per day in Trunk Bay. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day.

The ultraviolet index in Trunk Bay in August is typically 13.1 during August. 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 Trunk Bay in August

The average sea water temperature in Trunk Bay in August is 28°C (82.4°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Rainfall in Trunk Bay in August

August weather is much wetter than the previous month and rainfall continues to rise into September. August has a few more days of rain than the previous month. The average total rainfall in Trunk Bay in August is 16.1cm (6.3inches) and on average there are 21.6 rainy days in August making it a very wet time to visit the beach.

Humidity in Trunk Bay in August

The maximum dew point (an indicator of humidity) in Trunk Bay in August is 25°C (77°F) 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 25°C (76°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in Trunk Bay in August is typically 86.2%. The maximum relative humidity is 86.5% in the previous month and 88% in the next month.

The average relative humidity in Trunk Bay in August is typically 74.8%. The average relative humidity is 74.5% in the previous month and 77.2% in the next month.

Wind Speed in Trunk Bay in August

The average maximum wind speed in Trunk Bay in August is typically 31KM/H (19MPH). The average maximum wind speed is 32KM/H (20MPH) in the previous month and 27KM/H (17MPH) in the next month.

The average wind speed in Trunk Bay in August is typically 17KM/H (10MPH). The average wind speed is 18KM/H (11MPH) in the previous month and 14KM/H (9MPH) in the next month.

The average wind direction in Trunk Bay in August is from the East.

Monthly Averages

Suggested Beaches in August

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