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Monthly climate in Porirua, Wellington, New Zealand

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Porirua features a oceanic climate (Cfb).Temperatures typically range between 11 °C (52 °F) and 17 °C (63 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 23 °C (73 °F).The average annual precipitation amounts to about 1000 mm (39.4 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually.Porirua enjoys an average of 3076 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 3 minutes per day.

Monthly average temperatures in Porirua, Wellington, New Zealand §

The warmest months in Porirua are January, February and March, with daily mean temperatures ranging from 16 to 17 °C (61 - 63 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 11 to 11 °C (52 - 52 °F) throughout the day. On average each year, Porirua experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Porirua, Wellington, New Zealand.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 23°C
(73°F)		 22°C
(72°F)		 20°C
(69°F)		 19°C
(67°F)		 17°C
(64°F)		 16°C
(61°F)		 15°C
(59°F)		 14°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 18°C
(64°F)		 20°C
(68°F)
Mean maximum 20°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 18°C
(65°F)		 17°C
(63°F)		 15°C
(58°F)		 14°C
(58°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(60°F)		 17°C
(63°F)		 19°C
(66°F)
Average high 18°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 16°C
(61°F)		 14°C
(58°F)		 13°C
(55°F)		 12°C
(53°F)		 12°C
(54°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(59°F)		 17°C
(63°F)
Daily mean 17°C
(62°F)		 17°C
(63°F)		 16°C
(61°F)		 15°C
(59°F)		 13°C
(56°F)		 12°C
(53°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(52°F)		 12°C
(55°F)		 14°C
(57°F)		 16°C
(61°F)
Average low 16°C
(60°F)		 16°C
(60°F)		 15°C
(59°F)		 13°C
(57°F)		 12°C
(54°F)		 10°C
(51°F)		 10°C
(50°F)		 10°C
(50°F)		 10°C
(50°F)		 11°C
(53°F)		 13°C
(55°F)		 15°C
(58°F)
Mean minimum 12°C
(55°F)		 13°C
(55°F)		 12°C
(54°F)		 10°C
(51°F)		 8°C
(47°F)		 9°C
(48°F)		 8°C
(46°F)		 7°C
(45°F)		 8°C
(46°F)		 8°C
(46°F)		 10°C
(50°F)		 12°C
(53°F)
Minimum 11°C
(52°F)		 12°C
(54°F)		 11°C
(51°F)		 9°C
(48°F)		 7°C
(44°F)		 7°C
(45°F)		 7°C
(44°F)		 6°C
(43°F)		 7°C
(44°F)		 6°C
(44°F)		 9°C
(49°F)		 10°C
(51°F)

Compare climate in Porirua with other places

Compare temperature, precipitation, sunshine, UV index in Porirua, Wellington, New Zealand with other places around the world.

Monthly average precipitation in Porirua, Wellington, New Zealand §

Porirua usually has the most precipitation in April, July and December, with an average of 11 rainy days and 105 mm (4.1 inches) of precipitation per month.The driest months in Porirua are January, February and October. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Porirua, Wellington, New Zealand.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 33 (1.3) 69 (2.7) 76 (3.0) 104 (4.1) 88 (3.5) 101 (4.0) 108 (4.3) 89 (3.5) 85 (3.4) 72 (2.8) 73 (2.9) 101 (4.0)
Average precipitation days (≥ 1 mm) 6 6 9 10 11 12 13 12 12 11 10 11

Monthly sunshine hours in Porirua, Wellington, New Zealand §

The sunniest months in Porirua are February, November and December, when the sun shines an average of 10 hours 29 minutes a day.Least sunny months in Porirua: May, June and July receive an average of 6 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Porirua, Wellington, New Zealand.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 286 296 277 236 206 169 193 225 249 285 311 336
Mean daily daylight hours 14h 44m 13h 40m 12h 19m 10h 57m 9h 48m 9h 14m 9h 31m 10h 30m 11h 48m 13h 11m 14h 24m 15h 3m

Solar UV radiation in Porirua, Wellington, New Zealand §

Porirua experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.May, June and July are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Porirua UV Index data.

Average daily maximum UV levels by month for Porirua, Wellington, New Zealand.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 13 13 9 7 4 2 2 4 6 9 10 13