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Monthly climate in Mamaku, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mamaku features a oceanic climate (Cfb). Temperatures typically range between 8 °C (47 °F) and 18 °C (65 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 1464 mm (57.6 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Mamaku enjoys an average of 3003 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 44 minutes per day.

Monthly average temperatures in Mamaku, New Zealand

The warmest months in Mamaku are January, February and December, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, Mamaku experiences 16 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mamaku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		29°C
(85°F)		26°C
(79°F)		23°C
(74°F)		19°C
(67°F)		18°C
(64°F)		15°C
(60°F)		16°C
(60°F)		19°C
(66°F)		22°C
(72°F)		29°C
(85°F)		27°C
(81°F)
Mean maximum27°C
(81°F)		27°C
(81°F)		24°C
(76°F)		22°C
(72°F)		19°C
(66°F)		16°C
(61°F)		15°C
(59°F)		15°C
(59°F)		18°C
(64°F)		20°C
(69°F)		24°C
(75°F)		26°C
(78°F)
Average high23°C
(74°F)		23°C
(74°F)		21°C
(70°F)		18°C
(65°F)		15°C
(60°F)		13°C
(56°F)		12°C
(54°F)		13°C
(55°F)		14°C
(58°F)		16°C
(61°F)		19°C
(67°F)		21°C
(71°F)
Daily mean18°C
(65°F)		18°C
(65°F)		16°C
(62°F)		14°C
(57°F)		11°C
(52°F)		9°C
(49°F)		8°C
(47°F)		9°C
(48°F)		10°C
(50°F)		12°C
(54°F)		15°C
(59°F)		17°C
(63°F)
Average low13°C
(56°F)		14°C
(57°F)		12°C
(54°F)		9°C
(49°F)		7°C
(45°F)		6°C
(42°F)		4°C
(40°F)		5°C
(41°F)		6°C
(43°F)		8°C
(47°F)		10°C
(51°F)		12°C
(55°F)
Mean minimum8°C
(47°F)		8°C
(47°F)		8°C
(46°F)		4°C
(39°F)		1°C
(33°F)		2°C
(36°F)		-2°C
(29°F)		-1°C
(30°F)		1°C
(34°F)		2°C
(35°F)		4°C
(40°F)		7°C
(44°F)
Minimum6°C
(43°F)		8°C
(46°F)		5°C
(41°F)		3°C
(37°F)		-1°C
(30°F)		-1°C
(31°F)		-4°C
(25°F)		-3°C
(26°F)		0°C
(32°F)		0°C
(33°F)		2°C
(36°F)		5°C
(41°F)

Compare climate in Mamaku with other places

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

Monthly average precipitation in Mamaku, New Zealand

Mamaku usually has the most precipitation in April, August and September, with an average of 14 rainy days and 147 mm (5.8 inches) of precipitation per month. The driest months in Mamaku are January, February and May. On average, 96 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mamaku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)74 (2.9)106 (4.2)124 (4.9)152 (6.0)107 (4.2)113 (4.4)133 (5.2)152 (6.0)137 (5.4)121 (4.8)120 (4.7)126 (5.0)
Average precipitation days (≥ 1 mm)9912111011131616151415

Monthly sunshine hours in Mamaku, New Zealand

The sunniest months in Mamaku are January, November and December, when the sun shines an average of 9 hours 52 minutes a day. Least sunny months in Mamaku: May, June and July receive an average of 6 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mamaku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours277276273232207178195221241268296333
Mean daily daylight hours14h 27m13h 30m12h 17m11h 4m10h 3m9h 32m9h 47m10h 40m11h 50m13h 4m14h 10m14h 44m

Solar UV radiation in Mamaku, New Zealand

Mamaku 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 Mamaku UV Index data.

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