Mount Buller weather in December

December in Mount Buller: cool, rainy, with clean air — not the best time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Mount Buller🇦🇺 Australia · Southeast Australia & Tasmania · Ski19
  1. 12Jan
  2. 16Feb
  3. 21Mar
  4. 36Apr
  5. 49May
  6. 61Jun
  7. 69Jul
  8. 72Aug
  9. 57Sep
  10. 41Oct
  11. 31Nov
  12. 19Dec

#10 of 12 months in Mount Buller · #1401 of 1413 destinations to visit in December · comfort 19/100 (tier F)

Days
16°C
Nights
7°C
Wet days
9
Sun
12 h
Humidity
65%
Daylight
15 h
Mount Buller, Australia
Photo: Sutharshan PiX · Pexels

Traveller notes on Mount Buller in December

Notes from nearby Melbourne (150 km away)

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

Locals will tell you the four-seasons-in-a-day line is more legend than forecast - by their own count it happens two or three days a year - but they will also tell you December is genuinely changeable, running mid-twenties to low thirties with the odd heatwave near forty and cool stormy spells that often follow one. Our row averages that at 25.6C over 14C with 55.4mm across 7.2 days. The night is the part people underpack for: fourteen degrees, feeling thirteen in a 21.2 kph wind, after an afternoon in the high twenties. The bay reaches 19.8C. The record: humidity 66 percent, 11.4 hours of sun inside 14.7 of daylight, and AQI 30.
TheLegendIsThreeDaysAYear · December · 1 month ago · about Melbourne · Read more on Tripadvisor ↗

Other months in Mount Buller

Mount Buller-forum threads on an April visit describe this as genuinely the month least likely to see any real accumulation, posters naming mid-July through early August as the safer bet for real winter conditions. Regulars call green-season activities genuinely still running through April, several posters naming the Via Ferrata climbing course, a sightseeing chairlift and mountain biking as standard options. Posters call hiking trails genuinely worthwhile in April despite the lack of winter terrain, several regulars naming this a real reason to visit outside ski season. Regulars call real autumn chill a factor by April, several threads recommending layers for cooler mornings even with mild afternoons. Posters recommend planning around green-season activities, several regulars calling this standard given how unlikely real winter conditions are this early. The record: 10.4C days, 4.2C nights, an extraordinarily high 113.9mm across nearly 8 days and 76 percent humidity.
MountBullerAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Mount Buller-forum threads on a mid-May visit call real accumulation genuinely unlikely this time of year, posters describing snowmaking as not starting until the June long weekend and the official season opening the following weekend. Regulars call lift and mountain services largely inactive in May, most operations waiting for the June opening rather than running an early shoulder schedule. Posters recommend self-driving over the ski coach for a May visit, coach services here not starting until the season itself does. Regulars call a self-driven trip genuinely worthwhile regardless of season, the drive up offering real stopping points for sightseeing along the way. Posters recommend checking the resort's own season calendar directly before planning any May activity, the exact opening weekend shifting slightly year to year. The record: 5.9C days feeling like 4C, 0.7C nights, an extraordinarily high 145.6mm across over 12 days and 79 percent humidity.
MountBullerMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Mount Buller-forum threads on a March or April visit are direct: no accumulation of any kind this time of year, the alpine season here strictly a winter affair. Regulars call the mountain a genuinely different place outside that window, mountain biking and walking trails the real draw rather than anything alpine-related. Posters describe a late-March mountain bike event drawing real crowds to the village, accommodation booking out well ahead for that specific weekend. Regulars call the drive up worthwhile regardless for the views alone, the surrounding valleys and forest genuinely striking under clear autumn light. Posters recommend checking which lifts and trails are actually running this time of year, summer operations considerably reduced compared with the winter peak. Regulars call layers still sensible given how quickly the mountain air turns brisk once the sun drops. The record: 15.2C days feeling like 13C, 7.6C nights, 101.6mm across over 7 days and 68 percent humidity.
MountBullerMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗
Mount Buller-forum threads on the best time to visit describe January as the mountain's other season, the lift base long quiet and the runs replaced by hiking and mountain biking trails through the alpine grass. Posters call the warmest days comfortably capped in the mid-twenties Celsius, low humidity keeping even a warm afternoon feeling manageable rather than oppressive. Regulars describe the short but genuinely steep summit walk as worth the effort, clear days here letting visitors see for miles across the surrounding ranges. Posters call stormy mornings and afternoons a real possibility even in January, mountain weather here shifting fast regardless of season. Regulars are direct many smaller shops and cafes stay closed outside the winter rush, larger accommodation the more reliable bet for a summer stay. Posters call the quieter trails a genuine reward for visiting off-season. The record: 18.4C days feeling like 18C, 10.1C nights, a low 64 percent humidity and 11.6 hours of sun.
MountBullerJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗

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

Mount Buller climate normals — December

Daytime high16°C / 60°F🙂 cool
Nighttime low7°C / 45°F
Feels like (high)14°C / 57°F
Rainfall125 mm / 4.9 in🌧 rainy
Rainy days9 days
Humidity65%💧 humid
Dew point5°C / 40°F
Sunshine12 h/day
Daylight14.7 h
Wind14 km/h / 9 mph
Snowfall0.1 cm / 0 in
Air quality (US AQI)23🍃 good

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

Crowds in Mount Buller 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.

BusySummer holidays in Australia, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Mount Buller'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 weatherMount Buller's weather peaks June–August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Mount Buller in December

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

  • Season

    Bike park and walking season

    1 Dec – 5 Apr · usuallySummer season opens

    Early December to early April the mountain runs for bikes and walkers instead, and it is a fraction as busy. Plenty of the village stays shut, so check before you count on dinner. Source ↗

What's on around the world in December →

Nearby, and something's on

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

Where is Mount Buller?

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Mount Buller in December — FAQ

Is December a good time to visit Mount Buller?
December in Mount Buller: cool, rainy, with clean air — not the best time to visit. It ranks #10 of 12 months for Mount Buller on SeasonMap's comfort score (19/100).
What is the weather like in Mount Buller in December?
In December, Mount Buller averages a daily high of 15.5°C and a low of 7.3°C, with about 125 mm of rain over roughly 8.8 rainy days.
What is the air quality in Mount Buller in December?
Mount Buller has a mean US Air Quality Index of about 23 in December.

Within 300 km: Melbourne's Jacaranda around 25 Oct – 5 Dec.