Porirua in Fall
In fall (March, April and May), Porirua sees average daytime highs around 15°C and overnight lows near 13°C, with 208 mm of rain over about 27 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 17°C in early March to 13°C by late May. The sky is clear or mostly clear about 40% of the time across fall, and the air most often feels dry.
Fall is Porirua's 2nd-best season to visit on our travel score. Porirua has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Porirua's year-round climate.
- Avg daytime high
- 15°C
- 2nd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 208 mm
- 27 wet days
- Avg wind
- 25 km/h
- Travel score
- 4.9
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Porirua in Fall
Over the season highs ease from about 17°C in early March to 13°C by late May.
A typical fall day in Porirua reaches about 15°C and drops to 13°C overnight. The warmest of the three months is March, the coolest May.
Porirua weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 15° | 55 | 7.5 | 14.6 | 5.9 |
| Feb | 18° / 15° | 56 | 6.1 | 13.6 | 6.4 |
| Mar | 17° / 14° | 59 | 7.4 | 12.3 | 5.8 |
| Apr | 15° / 13° | 73 | 9 | 10.9 | 4.8 |
| May | 14° / 12° | 76 | 10.2 | 9.7 | 4.0 |
| Jun | 12° / 10° | 95 | 12.1 | 9.1 | 3.1 |
| Jul | 11° / 9° | 87 | 12.1 | 9.3 | 2.7 |
| Aug | 11° / 9° | 82 | 12.6 | 10.4 | 2.7 |
| Sep | 12° / 10° | 74 | 10.8 | 11.7 | 3.2 |
| Oct | 13° / 11° | 83 | 11.3 | 13.1 | 3.6 |
| Nov | 14° / 12° | 69 | 9.1 | 14.3 | 4.3 |
| Dec | 16° / 14° | 65 | 9.6 | 14.9 | 5.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 40% of the time across fall.
Chance of precipitation in Fall
Porirua gets around 208 mm of rain over 27 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 25 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early March to 9 h 18 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.3 kWh/m².
Is fall a good time to visit Porirua?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Porirua for sightseeing.
What to pack for Porirua in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Porirua sees daytime highs around 15°C and nights near 13°C. Worth packing: a warm layer, rain gear, sun protection and a windbreaker. About 27 days see rain.
Sea temperature near Porirua in Fall
The nearest coast averages about 16°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 km away) is warmest in February at about 17°C and coldest in August near 12°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 13 | 13 | 14 | 15 |
| Comfort | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 16 | Cool |
| May | 15 | Bracing |
| Jun | 14 | Bracing |
| Jul | 13 | Bracing |
| Aug | 12 | Bracing |
| Sep | 13 | Bracing |
| Oct | 13 | Bracing |
| Nov | 14 | Bracing |
| Dec | 15 | Cool |
UV index in Porirua in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Porirua peaks around January 1 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 10 | 6 | 4 | 2 | 1 | 2 | 3 | 4 | 6 | 9 | 11 |
| Level | Extreme | Extreme | High | Moderate | Low | Low | Low | Moderate | Moderate | High | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Extreme |
| Mar | 6 | High |
| Apr | 4 | Moderate |
| May | 2 | Low |
| Jun | 1 | Low |
| Jul | 2 | Low |
| Aug | 3 | Moderate |
| Sep | 4 | Moderate |
| Oct | 6 | High |
| Nov | 9 | Very high |
| Dec | 11 | Extreme |
Where is Porirua?
Porirua sits at 41.1°S, 174.8°E, 58 m above sea level, in New Zealand. The nearest listed city is Lower Hutt, 11 km away.
Topography around Porirua
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Porirua.
Within 3 km, the terrain around Porirua has significant variations in elevation — a maximum elevation change of 356 m around an average of 82 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 560 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,512 m.
The land around Porirua is covered by trees (43%), artificial surfaces (25%) and grassland (24%) within 3 km, water (40%), trees (32%) and grassland (22%) within 16 km, and water (57%) and trees (24%) within 80 km.
New Zealand travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 86% of US
- price level, 2025
- GDP per capita
- $49,591
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2022
- Road deaths
- 9.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Porirua (-41.1333°, 174.85°, elevation 58 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.