Wellington Weather in January

The climate in Wellington during January can be summarized as mild and a little damp.

January is in the summer in Wellington and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 13°C (56°F) is normal.

On average January is the 2nd driest month of the year in Wellington with around 80mm 3.2 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 8.2 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 Wellington in January 2025.