Dunedin weather in December

December in Dunedin: nice, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Dunedin🇳🇿 New Zealand · New Zealand's South Island · City83
  1. 86Jan
  2. 88Feb
  3. 85Mar
  4. 78Apr
  5. 71May
  6. 66Jun
  7. 64Jul
  8. 71Aug
  9. 75Sep
  10. 77Oct
  11. 81Nov
  12. 83Dec

#4 of 12 months in Dunedin · #367 of 1413 destinations to visit in December · comfort 83/100 (tier A)

Days
19°C
Nights
9°C
Wet days
15
Sun
11 h
Humidity
76%
Daylight
16 h
Dunedin, New Zealand
Photo: Donovan Kelly · Pexels

Traveller notes on Dunedin in December

Other months in Dunedin

Forum posters describe July and August as the two coldest months of the year across New Zealand, but rate Dunedin as staying reasonably fine in August, without the more extreme cold seen elsewhere in the South Island's winter. Posters are direct that beach time is off the table in August, but describe plenty of other things to do - old stone architecture, museums and galleries, the Chinese Garden, the Settlers Museum, and a tour through Cadbury World among the highlights. Posters flag snow on nearby roads, like the Middlemarch route, as a real possibility this time of year, alongside snow-covered hills that posters describe as genuinely stunning. Posters generally recommend Dunedin as a solid winter city destination, provided visitors set expectations around indoor and cultural attractions rather than beach or outdoor summer activities.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗
February is New Zealand's most settled month and the quieter one — school holidays are over and accommodation is easier — and it is about as warm as Dunedin gets, an average high near 19°C. One forum visitor remembers the wind chill making it feel colder than Antarctica, and that is worth taking at face value: the city is exposed, locals say the weather changes day to day and hour to hour, and monthly averages run breezy here all year without singling February out. An average will not tell you what a southerly feels like on the day. A light waterproof and a fleece for the evening is the standing advice for a New Zealand February, and in Dunedin it is not optional.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

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

Dunedin climate normals — December

Daytime high19°C / 65°F😎 nice
Nighttime low9°C / 48°F
Feels like (high)18°C / 64°F
Sea temperature14°C / 57°F🥶 cold sea
Rainfall94 mm / 3.7 in🌧 rainy
Rainy days15 days
Humidity76%💦 very humid
Dew point9°C / 48°F
Sunshine11 h/day
Daylight15.7 h
Wind23 km/h / 14 mph
Air quality (US AQI)24🍃 good

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

Crowds in Dunedin 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 crowdsCruise season at Port Chalmers, Christmas Day closures, Summer holidays in New Zealand(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Dunedin'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).

Fair weatherDunedin's weather peaks January–March, best around February.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Dunedin in December

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

  • Season

    Cruise season at Port Chalmers

    1 Oct – 30 AprCrowded

    Port Chalmers is one of the busiest cruise calls in New Zealand and takes several ships a week through the summer. On a big day the Octagon, the station and the peninsula tours belong to them until mid-afternoon. Source ↗

  • Nature

    Little penguins come ashore

    1 Nov – 28 Feb · usuallyBirdlife season

    Little penguins land at Pilots Beach below the albatross colony after dark every night of the year, but the numbers peak while there are chicks in the burrows. Viewing is from a boardwalk and the lights are red for a reason. Source ↗

  • 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 Dunedin — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Dunedin?

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Dunedin in December — FAQ

Is December a good time to visit Dunedin?
December in Dunedin: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Dunedin on SeasonMap's comfort score (83/100).
What is the weather like in Dunedin in December?
In December, Dunedin averages a daily high of 18.5°C and a low of 9°C, with about 93.9 mm of rain over roughly 15.1 rainy days.
What is the air quality in Dunedin in December?
Dunedin has a mean US Air Quality Index of about 24 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.