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Best
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Sea
25°
Swim
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Sea
24°
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24°
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25°
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Sea
26°
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Sea
28°
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28°
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Sea
28°
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28°
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28°
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27°
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26°
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The annual average maximum daily temperature is 31.0°C (87.7°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 26.5°C (79.7°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 8.5 days of rain per month and 7.5 hours of sun per day.
The best months to visit Grotto Beach are January, February, March, December, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.
The sea is best for swimming between June and November when the sea temperature is above the average 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.
Yes, you can sunbathe in Grotto Beach all year round.
The coolest month in Grotto Beach is January when the average maximum temperature is 28°C (83°F), average temperature is 23°C (73°F) and average minimum temperature is 18°C (65°F).
More info about the annual temperatures and sunshine.
Yes, you can swim in Grotto Beach all year round.
The warmest sea water temperatures in Grotto Beach are found in September when they peak at 28°C (83°F) and lowest in February when they dip to 24°C (76°F).
The sea temperature is above average for swimming between June and November when the sea temperature is above 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures
The hottest month in Grotto Beach is August when the average maximum temperature is very hot and perfect for sunbathing on clear days 33°C (92°F), average temperature is 28°C (83°F) and average minimum temperature is 23°C (74°F).
More info about the annual temperatures and sunshine.
The coolest month in Grotto Beach is January when the average maximum temperature is 28°C (83°F), average temperature is 23°C (73°F) and average minimum temperature is 18°C (65°F).
More info about the annual temperatures and sunshine
The driest month in Grotto Beach is March with 1.3cm (0.5inches) of rain and February has the fewest days of rain with 3.8 days with some rain, a very dry time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in Grotto Beach are found in February when they dip to 24°C (76°F) which is warm and pleasant for relaxing and swimming for long periods.
More info about the annual sea temperatures.
The warmest sea water temperatures in Grotto Beach are found in September when they peak at 28°C (83°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures.
The most humid month in Grotto Beach is August with a dew point (an indicator of humidity) of 24°C (75°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.
More info about the annual humidity.
The least humid month in Grotto Beach is March with a dew point of 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.
More info about the annual humidity.
The most windy month in Grotto Beach is March when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 12KM/H (8MPH).
More info about the annual wind conditions.
The hottest month in Grotto Beach is August when the average maximum temperature is 33°C (92°F), average temperature is 28°C (83°F) and average minimum temperature is 23°C (74°F).
The coolest month in Grotto Beach is January when the average maximum temperature is 28°C (28°F), average temperature is 23°C (73°F) and average minimum temperature is 18°C (65°F).
The longest days in Grotto Beach are in June, with an average of 13.6 hours of daylight per day. December has the shortest days with an average of 10.7 hours of daylight per day.
The sunniest days in Grotto Beach are in July which has the most hours of sunshine per day. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.8hrs making the days long and bright.
December has the least sunshine. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.8 hours of sunshine per day.
The ultraviolet index is the highest in July when it reaches 12.6 and lowest in December when it reaches 5.7.
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.
The warmest sea water temperatures in Grotto Beach are found in September when they peak at 28°C (83°F) and lowest in February when they dip to 24°C (76°F).
The sea is best for swimming between June and November when the temperature is above 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Grotto Beach is August with 142cm (55.9inches) of rain and October has the most days of rain with 12.9 days with some rain, a very wet time to visit the beach.
The driest month in Grotto Beach is March with 1.3cm (0.5inches) of rain and February has the fewest days of rain with 3.8 days with some rain, a very dry time to visit the beach.
The most humid month in Grotto Beach is August with a dew point (an indicator of humidity) of 24°C (75°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 least humid month in Grotto Beach is March with a dew point of 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
