Whanganui Weather & Climate: Best Time to Visit

In Whanganui, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 22°C (72°F) in February to a moderate 13°C (55°F) in the coolest month, July.

Nights vary from 15°C (59°F) in February to around 7°C (45°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Whanganui experiences significant rainfall throughout the year, averaging 1189 mm (47 in) of precipitation annually. Precipitation levels in Whanganui remain relatively steady throughout the year. October has the most rain, with 115 mm (4.5 in) over 14 days. In the driest month March, this drops slightly to 73 mm (2.9 in), making the city's climate fairly predictable. For more details, please visit our Whanganui Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Whanganui serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 7.0 hours of sunshine daily, and embrace the darker days in June, offering only 2.6 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in June, reaching 87%. In January, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year