The climate in Wanaka during August can be summarized as cool and a little damp.
August is in the winter in Wanaka and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -1°C (31°F) is normal.
| Daytime temperature | 8.3°C 46.9°F | 
|---|---|
| Nightly temperature | -0.9°C 30.5°F | 
| Average temperature | 3.7°C 38.7°F | 
| Daily sunshine | 4.4 hrs | 
| Avg rainfall | 92 mm 3.6 ins | 
| Rainy days | 7 days | 
| Sea temperature | 11.6°C 52.9°F | 
| Humidity | 80% | 
| Windspeed | 7.6kph 5 mph | 
On average August is the 6th driest month of the year in Wanaka with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
				
						
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Wanaka in August 2025.
Best places to visit in August
| Hottest month: | January | 20.6°C 69.1°F | 
|---|---|---|
| Driest month: | February | 63mm 2.5ins | 
| Sunniest month: | February | 7.5hrs | 
| Coldest month: | July | 5.6°C 42.1°F | 
| Wettest month: | October | 115mm 4.5ins |