Dunedin Weather in August

The climate in Dunedin during August can be summarized as cool and reasonably dry.

August is in the winter in Dunedin and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 4°C (39°F) is normal.

On average August is the 2nd driest month of the year in Dunedin with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 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 Dunedin in August 2025.