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Monthly climate in Waiuku, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Waiuku features a oceanic climate (Cfb). Temperatures typically range between 12 °C (53 °F) and 21 °C (70 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 1151 mm (45.3 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually. Waiuku enjoys an average of 3074 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Waiuku, New Zealand

The warmest months in Waiuku are January, February and March, with daily mean temperatures ranging from 19 to 21 °C (67 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 12 °C (53 - 55 °F) throughout the day. On average each year, Waiuku experiences 30 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 Waiuku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		29°C
(84°F)		28°C
(82°F)		25°C
(78°F)		22°C
(72°F)		20°C
(68°F)		19°C
(66°F)		18°C
(65°F)		21°C
(70°F)		23°C
(73°F)		25°C
(77°F)		27°C
(81°F)
Mean maximum27°C
(81°F)		28°C
(82°F)		26°C
(80°F)		24°C
(75°F)		21°C
(70°F)		18°C
(65°F)		18°C
(64°F)		18°C
(64°F)		20°C
(68°F)		21°C
(70°F)		24°C
(75°F)		26°C
(79°F)
Average high24°C
(75°F)		25°C
(77°F)		23°C
(74°F)		20°C
(69°F)		18°C
(65°F)		16°C
(60°F)		15°C
(59°F)		15°C
(60°F)		16°C
(61°F)		18°C
(64°F)		20°C
(69°F)		23°C
(73°F)
Daily mean20°C
(69°F)		21°C
(70°F)		19°C
(67°F)		17°C
(62°F)		14°C
(58°F)		12°C
(55°F)		12°C
(53°F)		12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		17°C
(63°F)		19°C
(67°F)
Average low17°C
(62°F)		17°C
(63°F)		16°C
(61°F)		13°C
(56°F)		11°C
(52°F)		10°C
(49°F)		8°C
(47°F)		9°C
(49°F)		10°C
(50°F)		12°C
(53°F)		13°C
(56°F)		16°C
(61°F)
Mean minimum13°C
(56°F)		12°C
(54°F)		12°C
(53°F)		8°C
(48°F)		4°C
(39°F)		6°C
(42°F)		2°C
(37°F)		3°C
(38°F)		6°C
(42°F)		7°C
(44°F)		10°C
(50°F)		11°C
(52°F)
Minimum11°C
(52°F)		11°C
(52°F)		11°C
(52°F)		7°C
(45°F)		2°C
(37°F)		2°C
(37°F)		1°C
(34°F)		2°C
(36°F)		3°C
(38°F)		6°C
(42°F)		9°C
(48°F)		9°C
(48°F)

Compare climate in Waiuku with other places

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

Monthly average precipitation in Waiuku, New Zealand

Waiuku usually has the most precipitation in July, August and September, with an average of 15 rainy days and 119 mm (4.7 inches) of precipitation per month. The driest months in Waiuku are January, February and March. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Waiuku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.4)72 (2.8)87 (3.4)99 (3.9)99 (3.9)102 (4.0)120 (4.7)130 (5.1)109 (4.3)92 (3.6)91 (3.6)89 (3.5)
Average precipitation days (≥ 1 mm)8911121012141716151312

Monthly sunshine hours in Waiuku, New Zealand

The sunniest months in Waiuku are January, November and December, when the sun shines an average of 10 hours 3 minutes a day. Least sunny months in Waiuku: May, June and July receive an average of 6 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Waiuku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours281279280231210180207231254273301342
Mean daily daylight hours14h 23m13h 27m12h 17m11h 6m10h 7m9h 37m9h 51m10h 43m11h 50m13h 2m14h 6m14h 39m

Solar UV radiation in Waiuku, New Zealand

Waiuku experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the 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 Waiuku UV Index data.

Average daily maximum UV levels by month for Waiuku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141410743357101113