Wanaka Weather in January
What's the weather like in Wanaka (Otago) in January 2026?
The climate in Wanaka during January can be summarized as mild and a little damp.
January is in the summer in Wanaka and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 20.9°C 69.6°F |
|---|---|
| Nightly temperature | 8.7°C 47.7°F |
| Average temperature | 14.8°C 58.6°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 9 days |
| Sea temperature | 15.9°C 60.6°F |
| Humidity | 66% |
| Windspeed | 11.5kph 7 mph |
On average January is the 5th wettest month of the year in Wanaka with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
January temperatures in Wanaka
January rainfall
January hourly sunshine
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 January 2025.
Other monthly averages
Best places to visit in January
Wanaka weather stats
| 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 |
© Google
Locations nearby
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