The annual average maximum daily temperature is 27.5°C (81.5°F) which is very warm and perfect for sunbathing on clear days. The annual average water temperature is typically 27.0°C (80.6°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 8.6 days of rain per month and 7.2 hours of sun per day.
The best months to visit Tonga are for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.
The weather is perfect for sunbathing in the months from September to June when the maximum temperature reaches above 26°C (72°F)
The sea is best for swimming between December and May when the sea temperature is above the average 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.
Yes, you can sunbathe in Tonga all year round.
The weather is best for sunbathing in the months from September to June when the maximum temperature reaches above 26°C (72°F)
More info about the annual temperatures and sunshine.
Yes, you can swim in Tonga all year round.
The warmest sea water temperatures in Tonga are found in January when they peak at 29°C (83°F) and lowest in August when they dip to 26°C (78°F).
The sea temperature is above average for swimming between December and May when the sea temperature is above 27°C (81°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 Tonga is February when the average maximum temperature is very warm and perfect for sunbathing on clear days 29°C (84°F), average temperature is 27°C (80°F) and average minimum temperature is 25°C (76°F).
More info about the annual temperatures and sunshine.
The coolest month in Tonga is August when the average maximum temperature is 26°C (78°F), average temperature is 23°C (73°F) and average minimum temperature is 21°C (69°F).
More info about the annual temperatures and sunshine
The coldest sea water temperatures in Tonga are found in August when they dip to 26°C (78°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 Tonga are found in January when they peak at 29°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 Tonga is February with a dew point (an indicator of humidity) of 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.
More info about the annual humidity.
The least humid month in Tonga is August with a dew point of 21°C (70°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 Tonga is December when the average maximum windspeed is 22KM/H (14MPH) and the average wind speed is 14KM/H (9MPH).
More info about the annual wind conditions.
The hottest month in Tonga is February when the average maximum temperature is 29°C (84°F), average temperature is 27°C (80°F) and average minimum temperature is 25°C (76°F).
The coolest month in Tonga is August when the average maximum temperature is 26°C (26°F), average temperature is 23°C (73°F) and average minimum temperature is 21°C (69°F).
The longest days in Tonga are in December, with an average of 13.2 hours of daylight per day. June has the shortest days with an average of 11 hours of daylight per day.
The sunniest days in Tonga are in August which has the most hours of sunshine per day. The sunshine percentage is 67.8% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.
January has the least sunshine. The sunshine percentage is 48.9% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day.
The ultraviolet index is the highest in January when it reaches 16 and lowest in June when it reaches 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 Tonga are found in January when they peak at 29°C (83°F) and lowest in August when they dip to 26°C (78°F).
The sea is best for swimming between December and May when the temperature is above 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.
The most humid month in Tonga is February with a dew point (an indicator of humidity) of 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 least humid month in Tonga is August with a dew point of 21°C (70°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.
