Invercargill Weather in January

The climate in Invercargill during January can be summarized as mild and damp.

January is in the summer in Invercargill and is typically the warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (49°F) is normal.

On average January is the wettest month of the year in Invercargill with around 114mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.9 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 Invercargill in January 2024.