Redfern weather

Redfern weather and local climate guide

Redfern's inner-city position

Redfern sits at the southern edge of Sydney's CBD, a dense urban environment where high-rise development, rail infrastructure, and heritage terraces create a complex microclimate. Summer maximums average 27-29 degrees with significant urban heat island effects from surrounding commercial and transport infrastructure. Winter minimums stay around 8-9 degrees, elevated above outer suburbs by the urban heat generated from buildings, vehicle traffic, and underground rail tunnels that vent warm air. The suburb's flat topography and surrounding tall buildings can restrict airflow on calm days.

Urban heat island effects

Redfern's position between the CBD, Central Station railway yards, and the Australian Technology Park creates one of inner Sydney's most pronounced urban heat islands. The massive thermal mass of rail infrastructure, concrete buildings, and sealed surfaces absorbs heat during the day and releases it slowly overnight. On summer nights, Redfern can remain 3-4 degrees warmer than nearby parkland (Moore Park, Prince Alfred Park). The Redfern station platform is particularly hot on summer afternoons, combining radiant heat from metal roofing, warm air rising from trains, and limited natural ventilation.

Pockets of green relief

Redfern Park and Prince Alfred Park provide critical green space that moderates the surrounding urban heat. These parks sit 2-3 degrees below the temperature of adjacent streets and buildings on hot days due to evaporative cooling from grass and tree transpiration. The mature fig trees in Redfern Park provide dense shade canopy that reduces ground-level temperatures further. The ongoing redevelopment of the Australian Technology Park and Waterloo estate is adding some green infrastructure, though the net increase in building mass and sealed surfaces continues to contribute to local warming.

Rainfall and infrastructure flooding

Redfern receives approximately 1,150 millimetres of annual rainfall. The dense urban surfaces and underground infrastructure mean stormwater management is critical. The Redfern station underpass and low-lying sections of Regent Street are known flash flood points during intense rainfall. The rail corridor acts as a drainage channel during extreme events, with water flowing along the cut toward Alexandra Canal. Combined sewer/stormwater overflows can affect Redfern during heavy rain, with outflows to the harbour impacting water quality downstream.

Wind patterns in the urban canyon

Redfern's wind patterns are heavily influenced by surrounding building height and orientation. The emergence of high-rise residential towers (particularly in Waterloo and along Gibbons Street) creates wind tunnel effects at ground level, with accelerated winds between buildings that can exceed ambient conditions by 30-50 percent. Conversely, the heritage terrace streets in the suburb's residential core are well sheltered by consistent two-storey building height and narrow width, creating calm pockets protected from most wind directions. The strongest winds reach Redfern during southerly changes that funnel through the rail corridor.

Redfern seasonal character

Redfern's inner-city position creates a subtle seasonal character more influenced by urban rhythms than natural cycles. Summer is the most weather-affected season, with heat driving residents to seek shade in parks and air-conditioned venues. Autumn brings the most comfortable conditions for walking and outdoor dining along Redfern Street. Winter's reduced daylight combines with Redfern's narrow streets and tall buildings to create early shadow, making ground-floor residences feel particularly cool. Spring sees increased outdoor activity in the parks and the return of the Saturday morning community around the markets and cafés that define Redfern's village atmosphere.

Explore nearby suburb forecasts

See how Redfern's weather compares to its neighbours: Surry Hills weather, Newtown weather and Alexandria weather. Or browse all Sydney suburb forecasts.