Mōtū River – current water temperature and swimming conditions
This page provides information about the current water temperature at Mōtū River in Bay of Plenty 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 Mōtū River today is 9°C.
Water Temperature in Mōtū River: Daily Trends, Historical Records, and Forecast
❌ River water below 10°C is very cold and generally unsuitable for swimming for most people. Even on a warm day, rivers at this temperature can quickly cause cold shock and numbness due to flowing water and shaded banks. Swimming is usually limited to brief cold dips or experienced cold-water swimmers. Overcast weather or cool air temperatures make river swimming especially uncomfortable and potentially unsafe.
Water Temperature Over the Last 30 Days
Water temperatures in Mōtū 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 Mōtū River will be 10.0°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 |
|---|---|---|---|
| Aug 19 | 14.2°C | 10.1°C | |
| Aug 20 | 14.1°C | 10.1°C | |
| Aug 21 | 13.8°C | 10.1°C | |
| Aug 22 | 13.7°C | 10.1°C | |
| Aug 23 | 14.0°C | 10.1°C | |
| Aug 24 | 14.1°C | 10.1°C | |
| Aug 25 | 8.9°C | 10.1°C | |
| Aug 26 | 8.9°C | 10.1°C | |
| Aug 27 | 8.9°C | 10.1°C | 8.9°C |
| Aug 28 | 10.1°C | 9.1°C | |
| Aug 29 | 10.1°C | 9.2°C | |
| Aug 30 | 10.1°C | 9.4°C | |
| Aug 31 | 10.1°C | 9.5°C | |
| Sep 1 | 10.1°C | 9.7°C | |
| Sep 2 | 10.1°C | 9.8°C | |
| Sep 3 | 10.1°C | 10.0°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 | 19°C | 24°C |
| February | 13°C | 18°C | 23°C |
| March | 11°C | 16°C | 20°C |
| April | 8°C | 13°C | 18°C |
| May | 5°C | 11°C | 16°C |
| June | 3°C | 8°C | 13°C |
| July | 3°C | 8°C | 12°C |
| August | 5°C | 9°C | 12°C |
| September | 6°C | 11°C | 15°C |
| October | 8°C | 13°C | 18°C |
| November | 11°C | 16°C | 20°C |
| December | 12°C | 18°C | 24°C |
Mōtū River: Weather Forecast
August 28
August 29
August 30
August 31
September 1
Location & Local Information
The Mōtū River flows through remote hill country in the eastern North Island, running from the ranges inland of Ōpōtiki to the Pacific coast. Its water is typically clear and fast-moving, reflecting its largely undeveloped catchment. Because the river rises in elevated terrain, temperatures remain relatively cool for much of the year. In winter, water temperatures usually range from about 8–11°C. During spring, they increase to around 12–16°C as air temperatures climb. In summer, especially in sheltered and slower-flowing stretches, the river can reach approximately 17–21°C, while autumn sees a gradual drop back to roughly 13–17°C. After heavy rain, temperatures may briefly decrease due to runoff from the surrounding hills.
Swimming Conditions
Swimming is generally allowed in the Mōtū River, and in summer it can provide a refreshing dip in selected calm sections. However, the river is known for its strong current, rapids, and changing flow conditions, particularly after rainfall. Swimmers should choose quiet pools away from fast channels and avoid entering the water during high flows. When summer temperatures approach or exceed 18°C, swimming is more comfortable, though still cooler than many coastal beaches. As with other New Zealand rivers, it is advisable to check local water quality information, especially after rain, to ensure conditions are suitable for swimming.