The best time to visit Whanganui
Month-by-month climate averages for Whanganui, New Zealand, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Whanganui is usually February, March, April and May, when daytime highs sit in the pleasant 16-26°C range and the heaviest January rain is behind you.
Whanganui is warmest in January (highs near 22°C) and coldest in August (lows around 6°C), with roughly 1302 mm of precipitation across the year and January the wettest month. The sweet spot for most visitors is February, March, April and May.
These are long-run averages. For the actual days you are travelling, check the live Whanganui forecast — and note how much the models agree, because that tells you how much to trust it.
Whanganui weather by month
what to expect in Whanganui through the yearHere is Whanganui's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Whanganui by season.