This report describes the typical weather at the Brisbane Airport (Brisbane, Australia) weather station over the course of an average June. It is based on the historical records from 1980 to 2012. Earlier records are either unavailable or unreliable.
Brisbane has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by forests (42%), oceans and seas (34%), grasslands (13%), built-up areas (8%), and floodplains (2%).
The month of June is characterized by gradually falling daily high temperatures, with daily highs around 70°F throughout the month, exceeding 74°F or dropping below 64°F only one day in ten.
Over the course of June, the length of the day is essentially constant. The shortest day of the month is June 23 with 10:24 hours of daylight; the longest day is June 1 with 10:31 hours of daylight.
The earliest sunrise is at 6:30am on June 1; the latest sunset is at 5:04pm on June 30; the latest sunrise is at 6:38am on June 27; the earliest sunset is at 5:00pm on June 7.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover ranges from 30% (mostly clear) to 38% (mostly clear). The trend is for the sky to be clearing with the median cloud cover decreasing by 7% from the start to the end of the month.
On June 15, a representative day, the sky is clear or mostly clear 48% of the time, partly cloudy 18% of the time, and mostly cloudy or overcast 23% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around June 1, occurring in 39% of days. Precipitation is least likely around June 30, occurring in 33% of days.
Throughout June, the most common forms of precipitation are moderate rain and light rain.
Moderate rain is the most severe precipitation observed during 54% of those days with precipitation. It is most likely around June 1, when it is observed during 22% of all days.
Light rain is the most severe precipitation observed during 28% of those days with precipitation. It is most likely around June 14, when it is observed during 10% of all days.
Either snow is exceptionally unlikely to fall at this location in June or this station does not reliably report precipitation types.
The relative humidity typically ranges from 45% (comfortable) to 95% (very humid) over the course of a typical June, rarely dropping below 26% (dry) and reaching as high as 100% (very humid).
The air is driest around June 30, at which time the relative humidity drops below 55% (mildly humid) three days out of four; it is most humid around June 1, rising above 92% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical June, the dew point typically varies from 41°F (dry) to 57°F (comfortable) and is rarely below 29°F (dry) or above 64°F (mildy humid).
The time of the month between June 1 and June 30 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of June typical wind speeds vary from 0 mph to 13 mph (calm to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around June 25, at which time the average daily maximum wind speed is 13 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around June 1, at which time the average daily maximum wind speed is 12 mph (gentle breeze).