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30°
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28°
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The annual average maximum daily temperature is 31.0°C (87.8°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 28.8°C (83.9°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 15.0 days of rain per month and 5.4 hours of sun per day.
The best months to visit Guadalcanal Island are May, June, July, September, 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 November and May when the sea temperature is above the average 29°C (84°F) which is very warm and ideal for relaxing and swimming for the whole day.
Yes, you can sunbathe in Guadalcanal Island all year round.
The coolest month in Guadalcanal Island is August when the average maximum temperature is 31°C (87°F), average temperature is 26°C (79°F) and average minimum temperature is 22°C (72°F).
More info about the annual temperatures and sunshine.
Yes, you can swim in Guadalcanal Island all year round.
The warmest sea water temperatures in Guadalcanal Island are found in January when they peak at 30°C (86°F) and lowest in August when they dip to 28°C (82°F).
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures
The hottest month in Guadalcanal Island is December when the average maximum temperature is very hot and perfect for sunbathing on clear days 31°C (88°F), average temperature is 27°C (81°F) and average minimum temperature is 23°C (74°F).
More info about the annual temperatures and sunshine.
The coolest month in Guadalcanal Island is August when the average maximum temperature is 31°C (87°F), average temperature is 26°C (79°F) and average minimum temperature is 22°C (72°F).
More info about the annual temperatures and sunshine
The driest month in Guadalcanal Island is June with 16.7cm (6.6inches) of rain and September has the fewest days of rain with 11.6 days with some rain, a pretty wet time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in Guadalcanal Island are found in August when they dip to 28°C (82°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures.
The warmest sea water temperatures in Guadalcanal Island are found in January when they peak at 30°C (86°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 Guadalcanal Island is January with a dew point (an indicator of humidity) of 26°C (78°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 Guadalcanal Island is August with a dew point of 24°C (76°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 most windy month in Guadalcanal Island is September when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 5KM/H (3MPH).
More info about the annual wind conditions.
The hottest month in Guadalcanal Island is December when the average maximum temperature is 31°C (88°F), average temperature is 27°C (81°F) and average minimum temperature is 23°C (74°F).
The coolest month in Guadalcanal Island is August when the average maximum temperature is 31°C (31°F), average temperature is 26°C (79°F) and average minimum temperature is 22°C (72°F).
The longest days in Guadalcanal Island are in December, with an average of 12.7 hours of daylight per day. June has the shortest days with an average of 11.6 hours of daylight per day.
The sunniest days in Guadalcanal Island are in May which has the most hours of sunshine per day. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.0 hours of sunshine per day.
February has the least sunshine. The sunshine percentage is 37% making it very cloudy and overcast with some periods of sunshine. There are 4.6 hours of sunshine per day.
The ultraviolet index is the highest in February when it reaches 16 and lowest in June when it reaches 9.9.
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 Guadalcanal Island are found in January when they peak at 30°C (86°F) and lowest in August when they dip to 28°C (82°F).
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Guadalcanal Island is March with 34.5cm (13.6inches) of rain and February has the most days of rain with 20.3 days with some rain, a very wet time to visit the beach.
The driest month in Guadalcanal Island is June with 16.7cm (6.6inches) of rain and September has the fewest days of rain with 11.6 days with some rain, a pretty wet time to visit the beach.
The most humid month in Guadalcanal Island is January with a dew point (an indicator of humidity) of 26°C (78°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 Guadalcanal Island is August with a dew point of 24°C (76°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
The most windy month in Guadalcanal Island is September when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 5KM/H (3MPH).
The least windy month in Guadalcanal Island is December when the average maximum windspeed is 14KM/H (9MPH) and the average wind speed is 4KM/H (2MPH).
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.
