The hottest month in Brisbane is January when the average maximum temperature is 29°, average temperature is 25° and average minimum temperature is 22°.
The coolest month in Brisbane is July when the average maximum temperature is 21°, average temperature is 15° and average minimum temperature is 9°.
The longest days in Brisbane 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 Brisbane are in December which has the most hours of sunshine per day with an average of 5 hours of sunshine per day, making it a sunny month that is overcast at times. May has the least sunshine with an average of 2.9 hours of sunshine per day, making it not a particularly sunny month.
The ultraviolet index is the highest in January when it reaches 14.9 and lowest in June when it reaches 4.1.
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 Brisbane are found in January when they peak at 27° and lowest in September when they dip to 21°.
The sea is best for swimming between December and April when the temperature is above 24° which is warm and pleasant for relaxing and swimming for long periods.
The wettest month in Brisbane is January with 28.3cm of rain and December has the most days of rain with 17.2 days with some rain, a wet time to visit the beach.
The driest month in Brisbane is October with 2.5cm of rain and August has the fewest days of rain with 6.2 days with some rain, a dry time to visit the beach.
The most humid month in Brisbane is January with a dew point (an indicator of humidity) of 22° 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 Brisbane is July with a dew point of 12° which is very comfortable.
The most windy month in Brisbane is October when the average maximum windspeed is 29kmh and the average wind speed is 15kmh.
The least windy month in Brisbane is May when the average maximum windspeed is 22kmh and the average wind speed is 13kmh.