The temperatures in Wanganui in May are usually low and can range between 10°C and 15°C.
You can expect about 3 to 8 days of rain in Wanganui during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Wanganui in May 2025.
If you’re planning to visit Wanganui in the near future, we highly recommend that you review the 14 day weather forecast for Wanganui before you arrive.
Temperatures
15° / 10°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
121
mm
Sun Hours
9.2
Hrs