Hurstville weather

Hurstville weather and local climate guide

Hurstville's St George district position

Hurstville sits at the centre of Sydney's St George district, on a gentle ridge approximately 15 kilometres south of the CBD. Its inland position (4-5 kilometres from Botany Bay) places it in a transitional climate zone where coastal influence is present but attenuated. Summer maximums average 28-30 degrees, with the Botany Bay sea breeze providing some afternoon cooling on strong onshore days. Winter minimums of 6-7 degrees are slightly cooler than harbour suburbs. The suburb's dense commercial centre and rail interchange create localised urban heat above the surrounding residential areas.

Botany Bay influence

Hurstville benefits from proximity to Botany Bay, which provides a secondary maritime influence beyond the more distant Pacific coast. The bay generates its own thermal circulation on calm days, with warm air rising over land drawing cooler bay air inland. This "bay breeze" typically arrives at Hurstville from the south-southeast by early-to-mid afternoon in summer, providing 2-3 degrees of cooling. The effect is weaker than the main sea breeze but adds to overall maritime moderation. On days when both the sea breeze and bay breeze arrive, Hurstville can cool substantially in the afternoon.

Rainfall and the Georges River catchment

Hurstville receives approximately 1,050-1,100 millimetres of annual rainfall. The suburb contributes to the Georges River catchment via tributary streams that flow south toward the river. Flash flooding can affect the commercial centre during intense rainfall when the aged stormwater system reaches capacity. The Forest Road underpass is a known flood point. Broader-scale flooding from the Georges River can affect low-lying areas south of Hurstville during extreme rainfall events, as demonstrated during the 2022 floods. The combination of increasing rainfall intensity and continued urban densification raises future flood risk.

Urban development and heat

Hurstville's transformation from a suburban shopping centre to a high-density residential precinct has altered its microclimate. Towers of 15-25 storeys have replaced low-rise buildings, creating wind tunnel effects at ground level and shadow corridors that remain cool even on sunny days. The overall urban heat island has intensified with increased building mass, but individual ground-level locations may have become cooler due to shading from tall buildings. The railway corridor running through the suburb creates a heat corridor from exposed rail infrastructure and sealed surfaces.

Seasonal character

Hurstville's seasons are subtly influenced by both maritime proximity and western Sydney heat. Summer combines coastal moisture with inland warmth, creating uncomfortable humidity levels on northeast wind days. Autumn provides reliable comfort with mild temperatures and reduced humidity — the most pleasant season for the precinct's outdoor dining culture. Winter is cool but not cold, with frosty mornings rare in the urban centre (though possible in parks and low-lying areas). Spring brings progressive warming and the busiest period for the suburb's commercial activity as outdoor conditions become inviting after winter's cooler months.

Hurstville weather for daily life

Hurstville's weather supports year-round outdoor activity with appropriate adaptation. The commercial strip along Forest Road operates outdoor dining in all seasons, though summer midday can be uncomfortable and winter evenings require shelter. Hurstville Oval and surrounding parks provide recreational green space that is coolest in early morning and late afternoon during summer. The walk to and from the train station (the primary commuter activity) is most weather-affected during summer heat and winter rain. The covered shopping areas and mall provide weather-protected alternatives to outdoor activity during extreme conditions.

Explore nearby suburb forecasts

See how Hurstville's weather compares to its neighbours: Kogarah weather, Rockdale weather and Bankstown weather. Or browse all Sydney suburb forecasts.