The hottest month in Rainbow Bay Beach is January when the average maximum temperature is 28°, average temperature is 24° and average minimum temperature is 21°.
The coolest month in Rainbow Bay Beach is July when the average maximum temperature is 20°, average temperature is 15° and average minimum temperature is 9°.
The longest days in Rainbow Bay Beach are in December, with an average of 13.9 hours of daylight per day. June has the shortest days with an average of 10.4 hours of daylight per day.
The sunniest days in Rainbow Bay Beach are in January which has the most hours of sunshine per day with an average of 6.2 hours of sunshine per day, making it a quite sunny month with some cloud cover. May has the least sunshine with an average of 3.9 hours of sunshine per day, making it not a particularly sunny month.
The ultraviolet index is the highest in January when it reaches 14.8 and lowest in June when it reaches 4.
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 Rainbow Bay Beach are found in February when they peak at 27° and lowest in August when they dip to 21°.
The sea is best for swimming between December and May when the temperature is above 24° which is warm and pleasant for relaxing and swimming for long periods.
The wettest month in Rainbow Bay Beach is December with 134.9cm of rain and February has the most days of rain with 15.1 days with some rain, a very wet time to visit the beach.
The driest month in Rainbow Bay Beach is September with 32.9cm of rain and August has the fewest days of rain with 6.1 days with some rain, a slightly wet time to visit the beach.
The most humid month in Rainbow Bay Beach is January with a dew point (an indicator of humidity) of 21° 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 Rainbow Bay Beach is July with a dew point of 12° which is very comfortable.
The most windy month in Rainbow Bay Beach is October when the average maximum windspeed is 30kmh and the average wind speed is 16kmh.
The least windy month in Rainbow Bay Beach is June when the average maximum windspeed is 23kmh and the average wind speed is 12kmh.