Te Anau (Milford Sound) weather in December
December in Te Anau: nice, soaked, with clean air — fine if you can take 18 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#4 of 12 months in Te Anau · #354 of 1413 destinations to visit in December · comfort 84/100 (tier A)
- Days
- 17°C
- Nights
- 9°C
- Wet days
- 18
- Sun
- 10.9 h
- Humidity
- 80%
- Daylight
- 16 h

Traveller notes on Te Anau in December
Other months in Te Anau
Te Anau-forum threads on an October visit describe day hikes as genuinely the safer call this early in spring, posters asking about Fiordland options given real avalanche risk on multi-day tramps. Regulars call DOC huts genuinely open but unmanned over this stretch, several posters naming suspended winter operations as why higher sections stay unsafe. Posters call the Milford Track genuinely impractical this time of year, several regulars naming removed bridges and no regular ferry service as the real blockers despite it being nominally open. Regulars call the Kepler Track's lower sections genuinely fine, several threads naming Te Anau to Luxmore Hut or Rainbow Reach to Shallow Bay as recommended options. Posters recommend checking avalanche-season road conditions before driving to Milford Sound, several regulars calling this standard given how much access can shift. The record: 12.3C days, 5.1C nights, an extraordinarily high 194.8mm across over 19 days and 84 percent humidity.
Te Anau-forum threads on March weather call February and March broadly the more reliable stretch locally, though posters add that reliable here still means genuinely changeable day to day. Regulars describe one account of a bright, warm day with full sun followed within the week by an entirely different forecast, conditions shifting fast even within a reliable month. Posters call real layers and a waterproof jacket standing advice regardless of how settled the forecast looks, a Milford Sound cruise prone to a shower even on an otherwise clear day. Regulars describe one hiker's Routeburn Track account in March as genuinely rough, two days of persistent wet weather, cold temperatures and a light snow at higher elevation. Posters call autumn nights noticeably cooler here than further north, checking trail and weather reports standing advice. The record: 16.3C days feeling like 15C, 9.1C nights, an extraordinarily high 121.4mm across over 13 days and 84 percent humidity.
Te Anau-forum threads on the drive to Milford Sound in April describe road conditions as generally manageable, posters calling chains unnecessary though frosty patches are a real possibility early morning and after dark. Regulars call the road narrow, steep and twisty regardless of season, tour bus congestion more of a factor than weather most days. Posters describe mid-April as noticeably cooler than earlier in the month, still capable of a genuinely lovely clear day though the wind turns unreliable fast. Regulars call roughly two weeks of precipitation typical across the month, real waterproof layers standing advice regardless of the morning. Posters call April genuinely rewarding given how much lower visitor numbers run than the summer bus crowds. Regulars recommend warm layers for any evening activity, temperatures dropping fast after dark. The record: 13.4C days feeling like 12C, 7.3C nights, an extraordinarily high 129.2mm across over 13 days and 86 percent humidity.
Te Anau-forum threads on a three-week June Fiordland trip get genuinely reassuring answers, posters calling winter surprisingly the most settled stretch of the year despite the cold. Regulars call real temperature swings standard, readings commonly sitting around three to four degrees Celsius with regular overnight frosts. Posters describe daylight as genuinely limited, sightseeing effectively confined to roughly ten in the morning until half past four. Regulars call Fiordland worth visiting in any weather, the region's famously fast-changing conditions delivering something new within the same day. Posters recommend the bus-and-boat day trips from Te Anau or Queenstown for anyone not wanting to drive Milford Road in winter. Regulars recommend real cold-weather layers and checking a current forecast. The record: 8.3C days feeling like 6C, 3.3C nights, a notably high 6.2cm of fresh accumulation and 93 percent humidity.
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Te Anau climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Te Anau 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 crowdsKepler Challenge, New Zealand summer holidays, Summer holidays in New Zealand(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Te Anau'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 weatherTe Anau's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Te Anau in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Sandflies at their worst
1 Oct – 30 Apr · usuallyInsects & diseaseFiordland's sandflies are the reason people remember the walk in as well as the view. Worst at the trail ends and by the water in still, overcast weather; repellent is not optional here. Source ↗
- Season
Great Walks season
25 Oct – 30 Apr · usuallyTrail seasonBook earlyThe Milford and Kepler run on booked, serviced-hut rules from late October to the end of April. Outside it the bridges come out, the huts lose their heating and the walks become alpine trips. Source ↗
- Festival
Kepler Challenge
28 Nov – 10 Dec · usuallySporting eventCrowdedBook earlyA sixty-kilometre mountain run around the Kepler Track on the first Saturday of December, entered by ballot. The town's beds are taken by runners and their families that weekend. Source ↗
- Holiday
New Zealand summer holidays
20 Dec – 1 Feb · usuallySchool holidaysCrowdedBook earlyThe town is the staging post for Milford Sound, and in January the day-trip buses leave before dawn. Book the cruise and the bed together, or drive the road yourself very early. Source ↗
- Holiday
Christmas Day closures
25–26 DecChristmas & New YearClosuresChristmas 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 ↗
Nearby, and something's on
Within 300 km of Te Anau — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Te Anau?
Te Anau in December — FAQ
- Is December a good time to visit Te Anau?
- December in Te Anau: nice, soaked, with clean air — fine if you can take 18 rainy days. It ranks #4 of 12 months for Te Anau on SeasonMap's comfort score (84/100).
- What is the weather like in Te Anau in December?
- In December, Te Anau averages a daily high of 16.7°C and a low of 9.2°C, with about 157.4 mm of rain over roughly 17.9 rainy days.
- What is the air quality in Te Anau in December?
- Te Anau has a mean US Air Quality Index of about 16 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.