Porirua weather in May
Long-run climate averages for Porirua, New Zealand in May, plus what the forecast models say for the days ahead.
In May, Porirua averages 15°C by day and 9°C at night. It is the wettest month of the year here.
May in Porirua averages a daytime high of 15°C and an overnight low of 9°C, which reads as mild for this part of the world. It is also the wettest month, so build rain into any plan. Across the whole year Porirua sees roughly 1238 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Porirua forecast with every model compared and how much they currently agree.
Porirua weather by month
what to expect in Porirua through the yearHere is Porirua'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 Porirua by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Porirua, scoring 87/100 on our CheckWeather Score, ahead of the American at 86. See the full NZ accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Porirua in May?
Is May a good time to visit Porirua?
Does it rain a lot in Porirua in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .