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Rivers Towns Water Temperature in New South Wales

This section covers water temperature data for Rivers in New South Wales.

Iluka
Iluka © Bruce Carr

River Towns of New South Wales: Water Temperature and Swimming Conditions

River towns in New South Wales are closely connected to inland waterways, with swimming conditions shaped by seasonal weather, rainfall, and river flow rather than ocean currents. Water temperature is a key factor in determining when rivers are suitable for swimming, and conditions can vary widely between regions and throughout the year.

In northern river towns, water temperatures tend to be warmer for longer periods of the year. During summer, river temperatures commonly reach 24–28°C, creating comfortable conditions for swimming, floating, and cooling off during hot days. In winter, temperatures often remain around 18–22°C, which still allows swimming in sheltered or slow-moving sections, particularly during warm afternoons.

Central New South Wales river towns, including those west of the Great Dividing Range, experience stronger seasonal contrasts. Summer river temperatures usually range from 22–26°C, making rivers popular swimming spots during periods of high air temperatures. In winter, water temperatures typically drop to around 12–16°C, significantly reducing swimming activity and limiting it mainly to brief dips or experienced cold-water swimmers.

In southern river towns, cooler climates and shaded riverbanks influence water temperature. Summer values generally sit between 20–24°C, providing refreshing but swimmable conditions during heatwaves. During winter, river temperatures often fall below 12–14°C, making swimming uncommon outside of short, invigorating immersions.

Overall, river towns in New South Wales offer seasonal swimming opportunities that are closely tied to water temperature and river conditions. Summer delivers the most reliable and comfortable swimming, while cooler months appeal mainly to confident swimmers who are prepared for colder, variable river water.

River Towns in New South Wales