Wanganui Weather in May

What's the weather like in Wanganui (Manawatu-Wanganui) in May 2025?

The climate in Wanganui during May can be summarized as mild and a little damp.

May is in the fall / autumn in Wanganui and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 8°C (46°F) is normal.

Wanganui weather averages (imperial / metric)
Daytime temperature 15.5°C 59.8°F
Nightly temperature 7.6°C 45.6°F
Average temperature 11.5°C 52.7°F
Daily sunshine 4.5 hrs
Avg rainfall 90 mm 3.6 ins
Rainy days 14 days
Sea temperature 16.2°C 61.2°F
Humidity 85%
Windspeed 11.9kph 7 mph

On average May is the 4th wettest month of the year in Wanganui with around 90mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.5 hours of sunshine per day.

May temperatures in Wanganui

Wanganui average temperature in May

May rainfall

Wanganui average rain in May

May hourly sunshine

Wanganui average rain in May

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 Wanganui in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Wanganui weather stats

Wanganui weather statistics
Hottest month: February 22.2°C 72°F
Driest month: February 63mm 2.5ins
Sunniest month: February 8.1hrs
Coldest month: July 12.2°C 54°F
Wettest month: July 99mm 3.9ins
Map showing location of Wanganui (-39.93333, 175.05) Wanganui map pin © Google

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