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Monthly climate in Wanaka, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Wanaka features a oceanic climate (Cfb). Temperatures typically range between 1 °C (35 °F) and 14 °C (58 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 28 °C (82 °F). The average annual precipitation amounts to about 1262 mm (49.7 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually. Wanaka enjoys an average of 2849 hours of sunshine throughout the year, and daylight varies from 8 hours 50 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Wanaka, New Zealand

The warmest months in Wanaka are January, February and December, with daily mean temperatures ranging from 13 to 14 °C (55 - 58 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 1 to 3 °C (35 - 38 °F) throughout the day. On average each year, Wanaka experiences 1 days above 25 °C (77.0 °F) and 70 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wanaka. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(82°F)		24°C
(76°F)		22°C
(73°F)		20°C
(69°F)		16°C
(60°F)		15°C
(59°F)		9°C
(49°F)		14°C
(57°F)		15°C
(60°F)		20°C
(69°F)		24°C
(76°F)		24°C
(75°F)
Mean maximum25°C
(76°F)		23°C
(74°F)		21°C
(71°F)		18°C
(65°F)		14°C
(58°F)		11°C
(52°F)		8°C
(47°F)		11°C
(52°F)		14°C
(58°F)		18°C
(65°F)		22°C
(72°F)		22°C
(73°F)
Average high19°C
(66°F)		18°C
(65°F)		17°C
(63°F)		13°C
(55°F)		9°C
(49°F)		6°C
(42°F)		4°C
(40°F)		7°C
(44°F)		9°C
(49°F)		12°C
(54°F)		15°C
(59°F)		17°C
(63°F)
Daily mean14°C
(58°F)		13°C
(57°F)		12°C
(54°F)		8°C
(47°F)		5°C
(42°F)		2°C
(37°F)		1°C
(35°F)		3°C
(38°F)		5°C
(41°F)		8°C
(46°F)		10°C
(51°F)		13°C
(55°F)
Average low9°C
(49°F)		9°C
(48°F)		8°C
(46°F)		4°C
(40°F)		2°C
(36°F)		-0°C
(32°F)		-2°C
(29°F)		0°C
(32°F)		1°C
(34°F)		3°C
(38°F)		6°C
(42°F)		8°C
(47°F)
Mean minimum4°C
(39°F)		3°C
(38°F)		2°C
(36°F)		-1°C
(31°F)		-3°C
(26°F)		-4°C
(26°F)		-7°C
(20°F)		-7°C
(20°F)		-5°C
(24°F)		-3°C
(26°F)		-1°C
(31°F)		3°C
(38°F)
Minimum3°C
(37°F)		2°C
(36°F)		-1°C
(31°F)		-2°C
(28°F)		-7°C
(21°F)		-9°C
(17°F)		-8°C
(18°F)		-11°C
(12°F)		-6°C
(21°F)		-4°C
(25°F)		-2°C
(29°F)		1°C
(34°F)

Compare climate in Wanaka with other places

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

Monthly average precipitation in Wanaka, New Zealand

Wanaka usually has the most precipitation in July, September and December, with an average of 13 rainy days and 131 mm (5.1 inches) of precipitation per month. The driest months in Wanaka are January, June and August. On average, 75 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wanaka. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)88 (3.5)123 (4.8)96 (3.8)101 (4.0)95 (3.7)61 (2.4)127 (5.0)77 (3.0)130 (5.1)102 (4.0)127 (5.0)134 (5.3)
Average precipitation days (≥ 1 mm)10121011119131413131415

Monthly sunshine hours in Wanaka, New Zealand

The sunniest months in Wanaka are February, November and December, when the sun shines an average of 10 hours 6 minutes a day. Least sunny months in Wanaka: May, June and July receive an average of 5 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wanaka. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours261284262217184158155192242263301324
Mean daily daylight hours15h 6m13h 53m12h 21m10h 48m9h 30m8h 50m9h 10m10h 18m11h 46m13h 20m14h 44m15h 29m

Solar UV radiation in Wanaka, New Zealand

Wanaka experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 12 - 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 3. For more detailed information, check out our hourly Wanaka UV Index data.

Average daily maximum UV levels by month for Wanaka. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1312963224591013