Lake Wakatipu – current water temperature and swimming conditions
This page provides information about the current water temperature at Lake Wakatipu 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 Lake Wakatipu today is 6°C.
Water Temperature in Lake Wakatipu: Daily Trends, Historical Records, and Forecast
❌ Lake water below 10°C is extremely cold and generally unsuitable for swimming for most people. Even during warm weather, deep lakes retain cold water, making entry uncomfortable and limiting time in the water. Swimming at this temperature is usually limited to quick dips or cold-water enthusiasts. Cool air temperatures or cloudy conditions can make lake swimming particularly harsh.
Water Temperature Over the Last 30 Days
Water temperatures in Lake Wakatipu 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 Lake Wakatipu will be 8.0°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 | 13.3°C | 8.2°C | |
| Aug 20 | 13.4°C | 8.2°C | |
| Aug 21 | 13.4°C | 8.2°C | |
| Aug 22 | 12.8°C | 8.2°C | |
| Aug 23 | 12.9°C | 8.2°C | |
| Aug 24 | 12.9°C | 8.2°C | |
| Aug 25 | 6.2°C | 8.2°C | |
| Aug 26 | 6.2°C | 8.2°C | |
| Aug 27 | 6.2°C | 8.2°C | 6.2°C |
| Aug 28 | 8.2°C | 6.5°C | |
| Aug 29 | 8.2°C | 6.7°C | |
| Aug 30 | 8.2°C | 7.0°C | |
| Aug 31 | 8.2°C | 7.2°C | |
| Sep 1 | 8.2°C | 7.5°C | |
| Sep 2 | 8.2°C | 7.7°C | |
| Sep 3 | 8.2°C | 8.0°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual lake water temperatures may differ from the reported values by several degrees, particularly during periods of strong winds or rapid weather changes. Wind can mix surface and deeper layers in a lake, bringing cooler water to the surface, while shallow areas may warm more quickly under direct sunlight. Air temperature, sunshine, and cloud cover strongly influence how quickly a lake heats up or cools down. These factors can lead to noticeable temperature variations across different parts of the lake.
Our forecast is based on a proprietary mathematical model that considers real-time lake temperature observations, historical trends, seasonal cycles, wind strength and direction, and region-specific air temperature. To enhance accuracy, we also incorporate data from nearby monitored locations and comparable lakes within New Zealand.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 9°C | 16°C | 22°C |
| February | 10°C | 15°C | 20°C |
| March | 6°C | 12°C | 18°C |
| April | 5°C | 9°C | 13°C |
| May | 2°C | 6°C | 10°C |
| June | 0°C | 4°C | 8°C |
| July | 0°C | 4°C | 7°C |
| August | 0°C | 4°C | 7°C |
| September | 2°C | 7°C | 12°C |
| October | 4°C | 9°C | 13°C |
| November | 6°C | 12°C | 17°C |
| December | 8°C | 13°C | 18°C |
Lake Wakatipu: Water Temperature by Location
🔗 Queenstown
Lake Wakatipu: Weather Forecast
August 28
August 29
August 30
August 31
September 1
Location & Local Information
Lake Wakatipu, in the Otago Region, is a long, deep alpine lake surrounded by the Southern Alps and well known for its clear, cold water. Because it is fed by mountain rivers and snowmelt, water temperatures remain low for much of the year. In winter, surface temperatures are typically around 6–9°C. During spring, the lake slowly warms to approximately 8–12°C, though inflows from melting snow can keep it cool. In summer, especially in January and February, near-shore areas may reach about 14–18°C on warm, calm days, while deeper water remains colder. By autumn, temperatures usually fall back to between 9 and 14°C as air temperatures decline.
Swimming Conditions
Swimming is allowed at many accessible shoreline spots around Lake Wakatipu, including beaches near Queenstown and smaller bays along the lake edge. However, even in summer the water often feels cold due to its alpine origin. The most comfortable conditions are generally during mid to late summer when temperatures approach the mid to high teens and winds are light. Swimmers should take care, as sudden weather changes can create choppy conditions and cold water can increase the risk of shock. Choosing sheltered areas and entering the water gradually helps ensure a safer and more enjoyable experience.