The hottest month in Hahei is February when the average maximum temperature is 24°, average temperature is 20° and average minimum temperature is 16°.
The coolest month in Hahei is July when the average maximum temperature is 15°, average temperature is 10° and average minimum temperature is 6°.
The longest days in Hahei are in December, with an average of 14.7 hours of daylight per day. June has the shortest days with an average of 9.6 hours of daylight per day.
The sunniest days in Hahei are in December which has the most hours of sunshine per day with an average of 6.7 hours of sunshine per day, making it a quite sunny month with some cloud cover. May has the least sunshine with an average of 3.5 hours of sunshine per day, making it not a particularly sunny month.
The ultraviolet index is the highest in January when it reaches 13.1 and lowest in June when it reaches 2.
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 Hahei are found in February when they peak at 22° and lowest in August when they dip to 15°.
The sea is best for swimming between December and May when the temperature is above 18° which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The wettest month in Hahei is April with 12.7cm of rain and the most days of rain with 14 days with some rain, a slightly wet time to visit the beach.
The driest month in Hahei is January with 2cm of rain and February has the fewest days of rain with 5 days with some rain, a very dry time to visit the beach.
The most humid month in Hahei is February with a dew point (an indicator of humidity) of 16° which is comfortable for everyone.
The least humid month in Hahei is July with a dew point of 8° which is a bit dry for some.
The most windy month in Hahei is October when the average maximum windspeed is 28kmh and the average wind speed is 16kmh.
The least windy month in Hahei is May when the average maximum windspeed is 19kmh and the average wind speed is 10kmh.