October in Invercargill is the windiest and the sunniest month of the year. In October, the weather in Invercargill is typically warm. Average daily high temperature in October is about 12 degrees above zero. On average, Invercargill has 24 rainy, 5 sunny, 1 cloudy, and 1 partly cloudy day in October. The rains are usually heavy. October as well as January, March, April, and May is considered the most uncomfortable time to visit Invercargill.