# Climate Insights for Porirua

*Source: [Airpult](https://airpult.com/climate/nz/porirua/6820739755): Porirua City, Wellington, New Zealand*

The climate in Porirua is temperate. The average annual temperature is 14°C and approximately 1008mm of precipitation falls per year. Porirua receives a notable amount of rainfall throughout the year, including during its driest month. Porirua is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are August, July, September, when temperatures can drop to 10°C.

## Key insights

- **Hottest month:** February (peak 18°C)
- **Coldest month:** August (low 10°C)
- **Wettest month:** July (116 mm)
- **Best time to visit:** January, February, March

## Monthly climate data

The table below shows monthly climate averages for Porirua based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

| Month | Avg low (°C) | Avg high (°C) | Mean (°C) | Precip (mm) | Wind (km/h) | Snow (cm) |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| Jan | 16 | 18 | 17 | 50 | 25 | 0 |
| Feb | 16 | 18 | 17 | 76 | 25 | 0 |
| Mar | 15 | 17 | 16 | 65 | 25 | 0 |
| Apr | 14 | 16 | 15 | 89 | 25 | 0 |
| May | 12 | 15 | 13 | 101 | 26 | 0 |
| Jun | 11 | 13 | 12 | 101 | 25 | 0 |
| Jul | 10 | 12 | 11 | 116 | 26 | 0 |
| Aug | 10 | 12 | 11 | 96 | 27 | 0 |
| Sep (current) | 10 | 13 | 11 | 83 | 30 | 0 |
| Oct | 11 | 14 | 12 | 68 | 28 | 0 |
| Nov | 13 | 15 | 14 | 78 | 28 | 0 |
| Dec | 15 | 17 | 16 | 84 | 27 | 0 |

## Temperature

Porirua has relatively stable temperatures year-round, staying within a 8°C range. February is the warmest month, though highs remain moderate at 18°C with a mean of 17°C. August is the coolest month, with minimum temperatures around 10°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

## Precipitation

Porirua is a moderately rainy area, receiving approximately 1008mm of precipitation annually, which averages out to around 84mm per month. The wettest month is July, averaging 116mm of rainfall. June and May also tend to see above-average precipitation. The driest month is January, with just 50mm. That's 66mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

## Wind

Porirua is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 30km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 25km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

## Seasons

Currently it is **winter** (astronomical) / **winter** (meteorological) in Porirua.
Spring begins September 23, 2026 (8 days from now).

| Season | Begins |
| --- | --- |
| Spring | September 23 |
| Summer | December 21 |
| Autumn | March 20 |
| Winter | June 21 |

It is currently winter in Porirua, which began on June 21, 2026. Porirua is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 18°C, while the coldest stretch bottoms out in August near 10°C. Spring is next, beginning on September 23, 2026 (8 days from now).

### Spring

Temperatures range from 10 to 15°C. Precipitation is moderate at around 229mm for the season, averaging 76mm per month. Winds are strong, averaging 29km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

### Summer

Temperatures range from 15 to 18°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Winds are strong, averaging 26km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

### Autumn

Temperatures range from 12 to 17°C. Precipitation is moderate at around 255mm for the season, averaging 85mm per month. Winds are strong, averaging 25km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

### Winter

Temperatures range from 10 to 13°C. Rainfall is heavy, totalling around 313mm across the season with a monthly average of 104mm. Winds are strong, averaging 26km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

## Best time to visit

Recommended months: January, February, March, December.

The best time to visit Porirua is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 69mm per month. By contrast, August can be quite cold with temperatures dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.