Mohaka River – current water temperature and swimming conditions
This page provides information about the current water temperature at Mohaka River in Hawke's Bay. 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 Mohaka River today is 9°C.
Water Temperature in Mohaka 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 Mohaka 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 Mohaka 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 | 15.8°C | 10.1°C | |
| Aug 20 | 15.7°C | 10.1°C | |
| Aug 21 | 15.6°C | 10.1°C | |
| Aug 22 | 15.6°C | 10.1°C | |
| Aug 23 | 15.8°C | 10.1°C | |
| Aug 24 | 15.9°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 | 11°C | 16°C | 21°C |
| February | 12°C | 17°C | 22°C |
| March | 11°C | 16°C | 20°C |
| April | 8°C | 13°C | 18°C |
| May | 6°C | 11°C | 15°C |
| June | 2°C | 7°C | 12°C |
| July | 2°C | 6°C | 10°C |
| August | 4°C | 8°C | 11°C |
| September | 4°C | 9°C | 13°C |
| October | 6°C | 10°C | 14°C |
| November | 9°C | 13°C | 17°C |
| December | 9°C | 15°C | 20°C |
Mohaka River: Weather Forecast
August 28
August 29
August 30
August 31
September 1
Location & Local Information
Source Kaimanawa Range Mouth Hawke Bay • location Mohaka • coordinates 39.125°S 177.194°E • elevation Sea level Length 172 kilometres
The Mohaka River flows from the central North Island high country through steep gorges and open farmland before reaching the coast in Hawke's Bay. Water temperature in the river is influenced by altitude, shaded canyon sections, and seasonal weather. In summer, temperatures typically range from about 17–21 °C, feeling pleasantly cool and refreshing on warm days, especially in slower pools and sheltered bends. During spring and autumn, the river usually sits between 13–17 °C. In winter, temperatures often drop to around 8–11 °C, making the water cold and limiting comfort for most swimmers.
Swimming Conditions
Swimming in the Mohaka River is allowed and is popular during summer, particularly at recognised swimming holes and calmer stretches where access is easier. The river is known for its clear water in settled conditions, which adds to its appeal in warm weather. However, the Mohaka can rise quickly after heavy rain, with stronger currents and reduced visibility, making swimming unsuitable at times. Even in summer, water temperatures remain on the cool side, so swimming is often refreshing rather than prolonged. Outside the warmer months, cold temperatures and increased flow generally discourage swimming. Overall, the Mohaka River offers good summer swimming opportunities for those choosing suitable locations, while for much of the year it is better enjoyed for its dramatic landscape and outdoor recreation along the riverbanks rather than regular time spent in the water.