Franz Josef weather in December

December in Franz Josef: nice, soaked, with clean air — fine if you can take 20 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Franz Josef🇳🇿 New Zealand · New Zealand's South Island · Trekking72
  1. 76Jan
  2. 78Feb
  3. 76Mar
  4. 71Apr
  5. 62May
  6. 65Jun
  7. 59Jul
  8. 64Aug
  9. 63Sep
  10. 67Oct
  11. 72Nov
  12. 72Dec

#5 of 12 months in Franz Josef · #677 of 1413 destinations to visit in December · comfort 72/100 (tier B)

Days
17°C
Nights
11°C
Wet days
20
Sun
11.2 h
Humidity
83%
Daylight
15 h
Franz Josef, New Zealand
Photo: Tim O'Farrell · Pexels

Traveller notes on Franz Josef in December

Notes from nearby Aoraki Mount Cook (39 km away)

Franz Josef 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 Franz Josef

Franz Josef-forum threads on a May visit describe both glaciers as genuinely accessible year round, one poster from a tropical country asking whether May is worthwhile and getting a clear yes in reply. Regulars call weather genuinely iffy enough to affect guided hikes, several posters recommending two nights in the village since heli-hikes see real cancellations when conditions turn. Posters call a single day genuinely enough for walking to the terminal face at both Franz Josef and Fox, forty minutes apart by car, though an overnight is safer. Regulars call the swing between bright sun and heavy downpours genuinely dramatic, several threads naming scenic flights as grounded roughly a third of days most years. Posters recommend real flexible scheduling for a May trip, several regulars calling this standard given how quickly West Coast weather changes. The record: 12.4C days, 7C nights, an extraordinarily high 380.4mm across over 17 days and 86 percent humidity.
FranzJosefMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Franz Josef-forum threads on visiting the glacier describe weather as genuinely unpredictable regardless of season, posters reporting multi-night stays where a helicopter never landed on the ice due to conditions. Regulars call the Glacier Valley Walk a real fallback when helicopter access isn't possible, a guided look at the valley without time on the ice itself. Regulars call the Heli-Hike, roughly three and a half hours including two on the ice, the preferred option when weather allows it. Posters call November sometimes cited as more settled than October by regulars comparing the two, though both remain genuinely weather-dependent on the West Coast. Regulars recommend booking well ahead regardless of exact October dates, popular tour slots here filling fast even with the region's changeable weather. The record: 12.8C days feeling like 12C, 6.9C nights, an extraordinarily high 395.8mm across nearly 20 days and 82 percent humidity.
FranzJosefOctoberRegular · October · 1 month ago · Read more on Tripadvisor ↗
Franz Josef-forum threads on whether early March runs cold at the glacier describe conditions as genuinely dependent on wind more than the calendar date, posters calling a still, sunny day comfortable while any wind off the ice turns things properly brisk fast. Regulars call March, along with October and November, a genuinely favored window locally, though the West Coast's reputation as one of the wettest parts of the country holds regardless of month. Posters describe helicopter and guided ice walks as grounded on a windy or wet day, checking current tour status the morning of standing advice. Regulars recommend real layers even on a mild-looking day, the glacier's own cold air different from the valley floor. Posters call the viewpoint walk worth doing without a guided tour. Regulars recommend flexible dates if the ice walk specifically matters. The record: 17C days feeling like 17C, 11.3C nights, an extraordinarily high 310.3mm across nearly 16 days and 85 percent humidity.
FranzJosefMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗
Franz Josef-forum threads on a June visit describe the West Coast as genuinely one of the rainiest regions anywhere, the same conditions feeding the rainforest and glaciers also meaning real showers are a standing feature. Posters recommend packing for both brilliant sunshine and a sudden proper downpour within the same day, weather shifting dramatically with little warning. Regulars call glacier helicopter flights entirely weather-dependent, cancellations common enough that posters recommend booking at least two nights to build in a backup day. Posters describe shady, frosty patches as a real hazard on foot, ice a genuine concern on cooler mornings. Regulars recommend checking road conditions and carrying snow chains. Posters call the kiwi centre and thermal pools solid backups for a genuinely wet day. The record: 10.4C days feeling like 8C, 5C nights, an extraordinarily high 265.2mm across over 13 days and 84 percent humidity.
FranzJosefJuneRegular · June · 1 month ago · Read more on Tripadvisor ↗

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

Franz Josef climate normals — December

Daytime high17°C / 62°F😎 nice
Nighttime low11°C / 52°F
Feels like (high)17°C / 63°F
Sea temperature17°C / 62°F🧊 bracing
Rainfall387 mm / 15.2 in⛈ soaked
Rainy days20 days
Humidity83%💦 very humid
Dew point11°C / 52°F
Sunshine11.2 h/day
Daylight15.3 h
Wind17 km/h / 11 mph
Snowfall0.2 cm / 0.1 in
Air quality (US AQI)29🍃 good

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

Crowds in Franz Josef 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 crowdsSummer peak in the village, Christmas Day closures, Summer holidays in New Zealand(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Franz Josef'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 weatherFranz Josef's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

JFMAMJJASOND

What's on in Franz Josef in December

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

  • Hazard

    Highway closures in heavy rain

    1 Jan – 31 DecFlood seasonClosures

    There is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year. Check the highway before you commit to a night here. Source ↗

  • Hazard

    Sandflies at their worst

    1 Nov – 31 Mar · usuallyInsects & disease

    Sandflies are here all year and unbearable in the warm months, worst on still overcast days by the river and at the glacier car park. Repellent and covered ankles are not optional. Source ↗

  • Holiday

    Summer peak in the village

    20 Dec – 5 Feb · usuallySchool holidaysCrowdedBook early

    The village doubles over the New Zealand holidays and the heli-hike slots go weeks ahead. Book the flight for your first morning here, because the second one may be weathered out. 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 Franz Josef — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Franz Josef?

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Franz Josef in December — FAQ

Is December a good time to visit Franz Josef?
December in Franz Josef: nice, soaked, with clean air — fine if you can take 20 rainy days. It ranks #5 of 12 months for Franz Josef on SeasonMap's comfort score (72/100).
What is the weather like in Franz Josef in December?
In December, Franz Josef averages a daily high of 16.8°C and a low of 11°C, with about 387 mm of rain over roughly 19.5 rainy days.
What is the air quality in Franz Josef in December?
Franz Josef has a mean US Air Quality Index of about 29 in December.

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