Rangitīkei River – current water temperature and swimming conditions
This page provides information about the current water temperature at Rangitīkei River in Manawatū–Whanganui. 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 Rangitīkei River today is 8°C.
Water Temperature in Rangitīkei 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 Rangitīkei 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 Rangitīkei River will be 8.1°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 | 14.6°C | 8.1°C | |
| Aug 20 | 14.6°C | 8.1°C | |
| Aug 21 | 14.5°C | 8.1°C | |
| Aug 22 | 14.7°C | 8.1°C | |
| Aug 23 | 15.0°C | 8.1°C | |
| Aug 24 | 15.0°C | 8.1°C | |
| Aug 25 | 8.4°C | 8.1°C | |
| Aug 26 | 8.4°C | 8.1°C | |
| Aug 27 | 8.4°C | 8.1°C | 8.4°C |
| Aug 28 | 8.1°C | 8.4°C | |
| Aug 29 | 8.1°C | 8.3°C | |
| Aug 30 | 8.1°C | 8.3°C | |
| Aug 31 | 8.1°C | 8.3°C | |
| Sep 1 | 8.1°C | 8.2°C | |
| Sep 2 | 8.1°C | 8.2°C | |
| Sep 3 | 8.1°C | 8.1°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 | 10°C | 17°C | 23°C |
| February | 11°C | 17°C | 22°C |
| March | 10°C | 15°C | 20°C |
| April | 7°C | 11°C | 15°C |
| May | 3°C | 9°C | 14°C |
| June | 2°C | 6°C | 10°C |
| July | 2°C | 6°C | 10°C |
| August | 1°C | 7°C | 12°C |
| September | 4°C | 8°C | 12°C |
| October | 6°C | 11°C | 15°C |
| November | 7°C | 13°C | 18°C |
| December | 11°C | 16°C | 20°C |
Rangitīkei River: Water Temperature by Location
Mangaweka
Rangitīkei River: Weather Forecast
August 28
August 29
August 30
August 31
September 1
Location & Local Information
Source Ngapuketurua • location Kaimanawa Ranges • coordinates 39°4′52″S 176°1′52″E • elevation 1,480 metres (4,860 ft) Mouth Tasman Sea • location Tangimoana • coordinates 40°18′2″S 175°13′31″E • elevation Sea level Length 253 kilometres (157 mi)
The Rangitīkei River runs from the central North Island ranges through deep gorges and open farmland before reaching the Tasman Sea, forming a key natural feature of the Manawatū–Whanganui. Water temperature in the Rangitīkei River is influenced by inland climate, shaded gorges, and steady flow. In summer, temperatures typically range from about 17–21 °C, feeling pleasantly cool and refreshing on hot days. During spring and autumn, the river usually sits between 13–17 °C. In winter, temperatures drop noticeably, often to around 8–11 °C, making the water cold and limiting comfort for most swimmers.
Swimming Conditions
Swimming in the Rangitīkei River is allowed and is popular in summer, particularly at recognised swimming holes, river beaches, and calmer bends where access is easier. The river is known for its clear water in settled weather, which adds to its appeal during warm months. However, parts of the river flow through steep gorges where currents can be strong and conditions change quickly after rain. Following heavy rainfall, water levels rise and clarity can reduce, making swimming less suitable. For this reason, swimming is best enjoyed during fine summer weather and in well-known local spots. Outside summer, cooler temperatures and higher flows generally limit swimming, and the river is more often appreciated for its scenery and outdoor activities rather than regular time in the water.