Wānaka weather in December

December in Wānaka: nice, rainy, with clean air — one of the weakest months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Wānaka🇳🇿 New Zealand · New Zealand's South Island · Ski12
  1. 14Jan
  2. 18Feb
  3. 16Mar
  4. 27Apr
  5. 41May
  6. 57Jun
  7. 71Jul
  8. 62Aug
  9. 59Sep
  10. 45Oct
  11. 25Nov
  12. 12Dec

#12 of 12 months in Wānaka · #1413 of 1413 destinations to visit in December · comfort 12/100 (tier F)

Days
19°C
Nights
10°C
Wet days
15
Sun
11.6 h
Humidity
71%
Daylight
16 h
Wānaka, New Zealand
Photo: Inspire Media Works · Pexels

Traveller notes on Wānaka in December

Notes from nearby Aoraki Mount Cook (131 km away)

Wānaka doesn't have its own notes for December yet — these are about Aoraki Mount Cook, close enough to share the season.

Mount Cook-forum threads on December weather are direct conditions here can swing genuinely widely, everything from a warm, clear day to an actual snow event possible within the same week even at the height of southern summer. Posters note the village sits on the valley floor, meaningfully milder than the high-altitude cold further up the mountain, so a warm day at the village doesn't rule out real winter conditions on the higher trails. Regulars call New Zealand's whole-country weather genuinely fickle in December, a heat wave elsewhere entirely compatible with an unsettled stretch here at the same time. The Hooker Valley Track is the standard, accessible hike for most visitors regardless of conditions, real layers still standing advice given how fast weather can turn at this elevation. The record: 16.3C days feeling like 17C, 8.5C nights, an extraordinarily high 305mm across nearly 20 days, a notably high 6.5cm of fresh snowfall and 84 percent humidity.
MtCookVillageDecemberRegular · December · 1 month ago · about Aoraki Mount Cook · Read more on Tripadvisor ↗

Other months in Wānaka

Wanaka-forum threads on a September visit describe this as genuinely early spring locally, posters calling remnant cover still visible on the peaks alongside blossoming fruit trees lower down. Regulars call the Crown Range road a real concern this month, ice still possible well into spring on the higher sections. Posters recommend flexible plans around the first two weeks of October specifically, school holidays in both Australia and New Zealand capable of tightening accommodation right at the ski season's tail end. Regulars call baby lambs and spring blossoms a genuine September highlight for photography, the mix of remnant snow and new growth considered distinctive to this window. Posters recommend real waterproof layers regardless of a clear morning, spring showers here a real factor in the region's famously green pastures. The record: 9.8C days feeling like 9C, 2.4C nights, an extraordinarily high 146.7mm across nearly 14 days and 74 percent humidity.
WanakaSeptemberRegular · September · 1 month ago · Read more on tripadvisor.co.nz ↗
Wanaka-forum threads on April describe this as genuinely the strongest month for autumn colour, posters calling the last three weeks of the month the reliable peak for the valley's poplars and willows turning. Regulars call conditions properly changeable day to day, one post summing it up as frost, rain, warmth and clear sun all possible within the same visit. Posters describe overnight frosts as standard by this point, clear mornings typically following once the temperature drops overnight. Regulars call the first light dusting on higher peaks a real sign of the season turning, though proper accumulation at lake level stays well off yet. Posters recommend layering for a genuine daily swing, mornings needing a real jacket even when afternoons turn mild and sunny. Regulars call the drive around the lake toward Glendhu Bay a standout for the colour specifically. The record: 14.2C days feeling like 13C, 7C nights, 94.7mm across over 10 days and 80 percent humidity.
WanakaAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Wanaka-forum threads on a first family trip for late June describe frosty mornings as the norm, often clearing into a genuinely sunny day once the sun gets over the surrounding peaks. Posters recommend real layers, hats and gloves rather than expecting high temperatures, comfort here coming from good gear rather than a warm reading. Regulars call the ski season typically underway by late June, though conditions this close to the mountains stay genuinely changeable and worth checking a day or two out rather than a longer forecast. Posters describe a proper wind and water-resistant shell as standing advice regardless of how clear the morning looks. Regulars call Wanaka a genuinely different place depending on the season, winter's quiet lake views a real contrast to busier summer months. Posters call the mix of skiing and lake scenery worth the unpredictable forecast. The record: 6.5C days feeling like 4C, 1.6C nights, a notably high 9.8cm of fresh accumulation and 92 percent humidity.
WanakaJuneRegular · June · 1 month ago · Read more on Tripadvisor ↗
Wanaka-forum threads on August confirm this sits deep in the Southern Hemisphere winter, frosty mornings a near-daily occurrence, though posters call the mountain air genuinely changeable, a chilly start regularly giving way to a bright, clear afternoon within the same day. Regulars describe conditions as never truly freezing during daylight hours even when overnight lows drop well toward zero, and are consistent proper layers, a windproof shell, sunglasses and sunscreen all matter regardless of how cold the morning felt. Posters call the lower valley walks genuinely accessible year round, while higher terrain above the usual line stays the province of properly equipped winter travelers. Cardrona and Treble Cone both draw real crowds this time of year for anyone splitting a trip between town and the slopes. The record: 6.9C days feeling like 5C, 1.2C nights, a notably high 9.6cm of fresh accumulation and 88 percent humidity.
WanakaAugustRegular · August · 1 month ago · Read more on tripadvisor.co.nz ↗

Add your own note from Wānaka's card on the map.

Wānaka climate normals — December

Daytime high19°C / 65°F😎 nice
Nighttime low10°C / 50°F
Feels like (high)18°C / 64°F
Rainfall114 mm / 4.5 in🌧 rainy
Rainy days15 days
Humidity71%💧 humid
Dew point9°C / 48°F
Sunshine11.6 h/day
Daylight15.5 h
Wind12 km/h / 7 mph
Snowfall0.1 cm / 0 in
Air quality (US AQI)19🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Wānaka in December

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsLakefront summer holidays, Christmas Day closures, Summer holidays in New Zealand(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Wānaka's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherWānaka's weather peaks July–September.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Wānaka in December

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Lakefront summer holidays

    22 Dec – 31 JanSchool holidaysCrowdedBook early

    The lakefront campground and every bed in town go to New Zealanders over Christmas, and the queue for the tree photo is real. It is the busiest and dearest five weeks of the Wānaka year.

  • Holiday

    Christmas Day closures

    25–26 DecChristmas & New YearClosures

    Christmas Day is one of the few days most shops must close by law, and many cafes, restaurants and tours shut too. Boxing Day is a public holiday as well, when shops reopen for the sales and the roads fill with families heading off on summer holiday. Source ↗

What's on around the world in December →

Nearby, and something's on

Within 300 km of Wānaka — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Wānaka?

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Wānaka in December — FAQ

Is December a good time to visit Wānaka?
December in Wānaka: nice, rainy, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Wānaka on SeasonMap's comfort score (12/100).
What is the weather like in Wānaka in December?
In December, Wānaka averages a daily high of 18.5°C and a low of 10.2°C, with about 113.6 mm of rain over roughly 14.9 rainy days.
What is the air quality in Wānaka in December?
Wānaka has a mean US Air Quality Index of about 19 in December.

Within 300 km: Queenstown's Lupins along the roads around 15 Nov – 5 Jan, and Lake Tekapo's Lupins along the lake around 15 Nov – 10 Jan.