Balclutha – current water temperature and swimming conditions
This page provides information about the current water temperature at Balclutha in Otago Region. Here you can view recent temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. A 7-day water temperature forecast, local weather conditions, and an overview of swimming suitability are also included.
Current Water Temperature
The water temperature in Clutha River at Balclutha today is 12°C.
Water Temperature in Clutha River at Balclutha: 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 Balclutha 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 Balclutha will be 10.7°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 |
|---|---|---|---|
| May 6 | 12.3°C | 10.5°C | |
| May 7 | 12.3°C | 10.5°C | |
| May 8 | 13.7°C | 10.5°C | |
| May 9 | 13.7°C | 10.5°C | |
| May 10 | 12.4°C | 10.5°C | |
| May 11 | 12.4°C | 10.5°C | |
| May 12 | 12.3°C | 10.5°C | |
| May 13 | 12.3°C | 10.5°C | |
| May 14 | 12.0°C | 10.5°C | 12.0°C |
| May 15 | 10.5°C | 11.8°C | |
| May 16 | 10.5°C | 11.6°C | |
| May 17 | 10.5°C | 11.4°C | |
| May 18 | 10.5°C | 11.3°C | |
| May 19 | 10.5°C | 11.1°C | |
| May 20 | 10.5°C | 10.9°C | |
| May 21 | 10.5°C | 10.7°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 New Zealand to improve accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 13°C | 18°C | 22°C |
| February | 14°C | 18°C | 22°C |
| March | 12°C | 17°C | 21°C |
| April | 8°C | 13°C | 17°C |
| May | 7°C | 11°C | 14°C |
| June | 3°C | 8°C | 12°C |
| July | 4°C | 7°C | 9°C |
| August | 3°C | 8°C | 12°C |
| September | 3°C | 8°C | 12°C |
| October | 8°C | 12°C | 15°C |
| November | 8°C | 13°C | 17°C |
| December | 11°C | 16°C | 21°C |
Balclutha: Weather Forecast
May 15
May 16
May 17
May 18
May 19
Location & Local Information
Balclutha sits on the lower reaches of the Clutha River, where the river is wide, powerful, and strongly influenced by inland Otago conditions. Water temperatures here are shaped by alpine lake outflows upstream and seasonal weather. In summer, the Clutha River near Balclutha typically reaches around 15–19 °C, which feels cool but refreshing on warm days. Spring and autumn usually bring temperatures in the range of 10–14 °C, while winter sees the river drop to roughly 6–9 °C, making the water very cold and unsuitable for prolonged immersion.
Swimming Conditions
Swimming in the Clutha River around Balclutha is allowed, but it is generally limited to specific calm locations and warm summer conditions. The river’s strong current, depth, and rapid changes in flow after rainfall mean it is not suitable for casual swimming in many areas. Locals who do swim tend to choose sheltered spots close to the riverbank, often during settled weather when water levels are stable. Even in summer, the water remains cool, so swimming is usually short rather than extended. Outside the warmer months, low temperatures and increased flow make swimming impractical for most people. Overall, Balclutha offers limited but possible summer swimming opportunities in the Clutha River, with safety and local knowledge playing an important role in deciding when and where to enter the water.