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 13°C.
Water Temperature in Mōtū 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 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 10.8°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 | 14.3°C | 10.5°C | |
| May 7 | 14.3°C | 10.5°C | |
| May 8 | 14.8°C | 10.5°C | |
| May 9 | 14.9°C | 10.5°C | |
| May 10 | 15.1°C | 10.5°C | |
| May 11 | 15.1°C | 10.5°C | |
| May 12 | 14.9°C | 10.5°C | |
| May 13 | 13.2°C | 10.5°C | |
| May 14 | 13.1°C | 10.5°C | 13.1°C |
| May 15 | 10.5°C | 12.8°C | |
| May 16 | 10.5°C | 12.5°C | |
| May 17 | 10.5°C | 12.1°C | |
| May 18 | 10.5°C | 11.8°C | |
| May 19 | 10.5°C | 11.5°C | |
| May 20 | 10.5°C | 11.2°C | |
| May 21 | 10.5°C | 10.8°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
May 15
May 16
May 17
May 18
May 19
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.