February in Wanganui is the warmest month of the year. In February, the weather in Wanganui is typically warm. Average daily high temperature in February is about 20 degrees above zero. On average, Wanganui has 13 partly cloudy, 12 sunny, and 4 rainy days in February. The rains are usually light. February as well as March is considered the most comfortable time to visit Wanganui.