Hunter River – current river water temperature and swimming conditions
This page shows the current river water temperature at Hunter River in New South Wales. You can explore recent temperature trends, typical monthly ranges, and historical averages for this date. The page also includes a 7-day water temperature forecast, local weather conditions, and an overview of how suitable the river is for swimming.
Current Water Temperature
The water temperature in Hunter River today is 23°C.
Water Temperature in Hunter River: Daily Trends, Historical Records, and Forecast
✅ River water between 20 and 25°C is ideal for swimming and offers very comfortable conditions for most people. Combined with warm air temperatures and settled weather, this range is perfect for extended swims and family-friendly activities. Rivers may still feel slightly cooler than lakes due to gentle currents, which many swimmers find refreshing. Even on partly cloudy days, swimming remains enjoyable.
Water Temperature Over the Last 30 Days
Over the past 30 days, water temperatures in Hunter River have generally increased, although a slight cooling trend has set in over the last week.
According to our forecast, the water temperature in Hunter River will be 24.3°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 | 23.0°C | 24.5°C | |
| Mar 13 | 24.1°C | 24.5°C | |
| Mar 14 | 24.1°C | 24.5°C | |
| Mar 15 | 23.0°C | 24.5°C | |
| Mar 16 | 23.0°C | 24.5°C | |
| Mar 17 | 23.0°C | 24.5°C | |
| Mar 18 | 23.0°C | 24.5°C | |
| Mar 19 | 23.2°C | 24.5°C | |
| Mar 20 | 23.0°C | 24.5°C | 23.0°C |
| Mar 21 | 24.5°C | 23.2°C | |
| Mar 22 | 24.5°C | 23.4°C | |
| Mar 23 | 24.5°C | 23.6°C | |
| Mar 24 | 24.5°C | 23.8°C | |
| Mar 25 | 24.5°C | 23.9°C | |
| Mar 26 | 24.5°C | 24.1°C | |
| Mar 27 | 24.5°C | 24.3°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 | 26°C | 27°C | 28°C |
| February | 18°C | 26°C | 28°C |
| March | 23°C | 25°C | 27°C |
| April | 19°C | 21°C | 23°C |
| May | 14°C | 17°C | 19°C |
| June | 12°C | 13°C | 15°C |
| July | 12°C | 13°C | 14°C |
| August | 13°C | 14°C | 16°C |
| September | 16°C | 18°C | 19°C |
| October | 19°C | 21°C | 23°C |
| November | 22°C | 24°C | 25°C |
| December | 25°C | 26°C | 27°C |
Hunter River: Water Temperature by Location
🔗 Newcastle
🔗 Raymond Terrace
Aberdeen
🔗 Muswellbrook
Denman
Jerrys Plains
🔗 Singleton
🔗 Maitland
Morpeth
Location & Local Information
Source Mount Royal Range, Liverpool Range
• location within Barrington Tops National Park, Upper Hunter Valley
• coordinates 31°53′36.5″S 151°27′04.4″E
• elevation 1,420 m (4,660 ft)
Mouth Tasman Sea
• location between Nobbys Head and Stockton
• coordinates 32.92°S 151.79°E
• elevation 0 m (0 ft)
Length 300 km (190 mi)
The Hunter River flows from the Great Dividing Range through the Hunter Valley and out to the coast at Newcastle, and its water temperature reflects the region’s temperate to subtropical climate. In summer, from December to February, water temperatures are usually around 20–25°C, sometimes feeling warmer in slow-moving inland sections during hot spells. Spring and autumn are mild, with the river generally sitting between 16–20°C. Winter brings cooler conditions, particularly upstream, where temperatures often drop to around 12–15°C, while the lower river closer to the coast can feel slightly warmer due to tidal influence. Rainfall and releases from upstream can affect both temperature and clarity at short notice.
Swimming Conditions
Swimming in the Hunter River is generally allowed, but it’s not common in all sections. In the upper and inland parts of the river, some locals do swim in summer, especially in calmer stretches where the water temperature is comfortable enough for a proper dip. However, closer to towns and the lower reaches, swimming is less popular. Strong currents after rain, poor visibility, boat traffic and variable water quality all play a part. Near the mouth, tidal movement and industrial activity further reduce suitability. For most people, the Hunter is better known for fishing, boating and riverside walks, with swimming best kept to selected inland spots and only during settled conditions.