Leven River – current river water temperature and swimming conditions
This page shows the current river water temperature at Leven River in Tasmania. 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 Leven River today is 13°C.
Water Temperature in Leven River: Daily Trends, Historical Records, and Forecast
⚠️ River water between 10 and 15°C is cold but manageable for short swims, especially on sunny days with warm air temperatures. The moving nature of a river can make the water feel colder than the actual reading, particularly in shaded or deeper sections. Casual swimming is usually brief, with wetsuits often preferred. Windy or cool weather can significantly reduce comfort, even when the air temperature is mild.
Water Temperature Over the Last 30 Days
Water temperatures in Leven River 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 Leven River will be 11.9°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 |
|---|---|---|---|
| Apr 28 | 12.9°C | 11.8°C | |
| Apr 29 | 12.9°C | 11.8°C | |
| Apr 30 | 12.9°C | 11.8°C | |
| May 1 | 12.8°C | 11.8°C | |
| May 2 | 12.8°C | 11.8°C | |
| May 3 | 12.7°C | 11.8°C | |
| May 4 | 13.2°C | 11.8°C | |
| May 5 | 13.3°C | 11.8°C | |
| May 6 | 12.6°C | 11.8°C | 12.6°C |
| May 7 | 11.8°C | 12.5°C | |
| May 8 | 11.8°C | 12.4°C | |
| May 9 | 11.8°C | 12.3°C | |
| May 10 | 11.8°C | 12.2°C | |
| May 11 | 11.8°C | 12.1°C | |
| May 12 | 11.8°C | 12.0°C | |
| May 13 | 11.8°C | 11.9°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 | 13°C | 16°C | 20°C |
| February | 13°C | 16°C | 20°C |
| March | 13°C | 15°C | 19°C |
| April | 11°C | 14°C | 17°C |
| May | 8°C | 12°C | 14°C |
| June | 7°C | 11°C | 13°C |
| July | 6°C | 10°C | 13°C |
| August | 7°C | 11°C | 13°C |
| September | 8°C | 11°C | 13°C |
| October | 9°C | 12°C | 14°C |
| November | 13°C | 14°C | 16°C |
| December | 13°C | 15°C | 19°C |
Location & Local Information
Source Vale of Belvoir Conservation Area
• location near Cradle Mountain
• coordinates 41°31′23″S 145°52′31″E
• elevation 946 m (3,104 ft)
Mouth Bass Strait
• location Ulverstone / West Ulverstone midpoint
• coordinates 41°08′54″S 146°10′07″E
• elevation 0 m (0 ft)
Length 99.3 km (61.7 mi)
The Leven River flows from Tasmania’s north-west highlands down to the coast near Ulverstone, and its water temperature is shaped by the island’s cool maritime climate. In summer, the river typically sits around 16–20°C, which feels crisp but refreshing, especially on warmer days. Spring and autumn usually bring temperatures in the 12–16°C range, while winter sees a further drop to about 8–12°C, making the water feel distinctly cold. Shaded banks and steady flows help keep temperatures low throughout the year, even during settled weather.
Swimming Conditions
Swimming in the Leven River is generally allowed, but it is mostly a summer activity. Locals tend to choose calm pools and wider sections where the current is gentle and access is easy. These spots can be enjoyable for a short swim during warm weather, especially when the water is clear. After heavy rain, the river level can rise quickly, the temperature drops, and the current strengthens, making swimming unsafe. Closer to the river mouth, tidal influence can also affect conditions and comfort. Overall, the Leven River offers limited but refreshing swimming opportunities, best suited to confident swimmers who are happy with cooler water and short dips rather than long, leisurely swims.