Nowra – water temperature at Shoalhaven River
This page provides up-to-date information about the water temperature at Nowra, located on the Shoalhaven River in New South Wales. Here you can check current conditions, view recent temperature trends, explore typical monthly ranges, and compare today’s reading with historical averages for this date. The page also includes a 7-day water temperature forecast, local weather information, and swimming conditions.
Current Water Temperature
The water temperature in Shoalhaven River at Nowra today is 20°C.
Water Temperature in Shoalhaven River at Nowra: Daily Trends, Historical Records, and Forecast
⚠️ A river temperature of 15 to 20°C is generally considered cool to comfortable for swimming in Australia. On warm, calm days, this range allows for relaxed swimming and longer time in the water. Comfort depends heavily on air temperature and sunshine, as cooler weather can still make the water feel chilly. This range is popular for river swimming during spring and early autumn.
Water Temperature Over the Last 30 Days
Water temperatures in Nowra have been gradually cooling over the past month, with a further drop recorded during the last week.
According to our forecast, the water temperature in Nowra will be 21.2°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 12 | 19.0°C | 21.3°C | |
| Mar 13 | 20.7°C | 21.3°C | |
| Mar 14 | 20.6°C | 21.3°C | |
| Mar 15 | 18.5°C | 21.3°C | |
| Mar 16 | 18.3°C | 21.3°C | |
| Mar 17 | 20.2°C | 21.3°C | |
| Mar 18 | 20.2°C | 21.3°C | |
| Mar 19 | 19.7°C | 21.3°C | |
| Mar 20 | 19.7°C | 21.3°C | 19.7°C |
| Mar 21 | 21.3°C | 19.9°C | |
| Mar 22 | 21.3°C | 20.1°C | |
| Mar 23 | 21.3°C | 20.3°C | |
| Mar 24 | 21.3°C | 20.6°C | |
| Mar 25 | 21.3°C | 20.8°C | |
| Mar 26 | 21.3°C | 21.0°C | |
| Mar 27 | 21.3°C | 21.2°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual river water temperatures may vary by several degrees from the reported values, particularly after heavy rainfall or periods of changing weather. Rainfall, river flow rates, and runoff from cooler upstream areas can significantly affect water temperature, especially in flowing sections and shaded stretches. Air temperature and cloud cover also play an important role, with warm, sunny conditions helping rivers warm up more quickly. As a result, noticeable temperature differences can occur along the same river.
Our forecast is based on a proprietary mathematical model that takes into account real-time river temperature changes, historical data, seasonal patterns, river flow conditions, recent rainfall, and local air temperature. We also factor in broader weather conditions specific to each region of Australia to improve accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 20°C | 24°C | 27°C |
| February | 19°C | 23°C | 28°C |
| March | 17°C | 21°C | 25°C |
| April | 14°C | 19°C | 22°C |
| May | 11°C | 15°C | 20°C |
| June | 9°C | 13°C | 16°C |
| July | 8°C | 11°C | 13°C |
| August | 10°C | 12°C | 14°C |
| September | 12°C | 15°C | 18°C |
| October | 15°C | 18°C | 22°C |
| November | 18°C | 20°C | 24°C |
| December | 20°C | 23°C | 26°C |
Location & Local Information
Nowra sits along the broad, tidal stretch of the Shoalhaven River, where inland flows meet coastal conditions from the NSW South Coast. Water temperature here changes steadily through the year. In summer, from December to February, the river around Nowra is usually a comfortable 20–24°C, sometimes edging a bit warmer in slow-moving sections during hot spells. Spring and autumn are mild, with water temperatures generally sitting between 16–20°C. Winter is cooler but not harsh, typically around 12–15°C, especially after cold nights or when freshwater flows dominate. Tides and rainfall can cause short-term shifts in how warm the water feels from day to day.
Swimming Conditions
Swimming in the Shoalhaven River at Nowra is allowed and fairly common in summer, particularly when coastal winds make the beaches less appealing. The water temperature during the warmer months is usually pleasant enough for a proper swim, not just a quick splash. Locals tend to use familiar river access points and calmer stretches where currents are manageable. Being a tidal river, conditions can change quickly, and boat traffic is something to watch for. After heavy rain, visibility can drop and flows can increase. With settled weather and sensible spot choice, the river offers a relaxed and refreshing swimming option around Nowra.