Skip to main content
One weather site to rule them all
checkweather.io

Porirua weather in May

Long-run climate averages for Porirua, New Zealand in May, plus what the forecast models say for the days ahead.

May at a glance

In May, Porirua averages 15°C by day and 9°C at night. The wettest month is usually July.

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. Across the whole year Porirua sees roughly 1295 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 year, 1991-2020 averages

Here 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.

Jan
20°
13°
Mild
Feb
20°
14°
Mild
Mar
19°
13°
Mild
Apr
17°
11°
Mild
May
15°
9°
Mild
Jun
12°
7°
Cool
Jul
11°
6°
Cool
Wettest
Aug
12°
7°
Cool
Sep
13°
8°
Cool
Oct
15°
9°
Mild
Nov
16°
11°
Mild
Dec
17°
12°
Mild

Bottom line: over the last 30 days the European model has been the most accurate forecast for Porirua, scoring 88/100 on our CheckWeather Score, ahead of the American at 87. See the full NZ accuracy scoreboard for exactly how every model is tested.

Common questions

How warm is Porirua in May?
Porirua averages a daytime high of 15°C in May, with overnight lows around 9°C. These are long-run climate averages, not a forecast - for the actual days ahead see the live model comparison.
Is May a good time to visit Porirua?
The most comfortable time to visit Porirua is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.
Does it rain a lot in Porirua in May?
The wettest month in Porirua is usually July. Across the year the city sees roughly 1295 mm of precipitation.

Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .

Porirua in other months

More about Porirua