Andermatt weather in December
December in Andermatt: cold, soaked, with clean air — fine if you can take 15 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#4 of 12 months in Andermatt · #390 of 1413 destinations to visit in December · comfort 82/100 (tier A)
- Days
- 1°C
- Nights
- -5°C
- Wet days
- 15
- Sun
- 4.5 h
- Humidity
- 85%
- Daylight
- 9 h

Traveller notes on Andermatt in December
Andermatt-forum threads on a December visit describe this as genuinely one of the stronger early-season picks in the Swiss Alps, posters naming it alongside a short list of resorts reliable enough for real December conditions. Regulars call the resort's own opening a real mid-December event, several posters noting recent years kicked off around December thirteenth with live music. Posters recommend checking exact opening weekends each season, several regulars naming late-November and early-December dates when first lifts typically start running. Regulars call the combined Andermatt-Sedrun-Disentis area genuinely large for this time of year, a hundred eighty kilometers across thirty-three lifts cited as real scale. Posters recommend real patience around December terrain limits, several threads noting not every lift or run is open even once the season has officially started. The record: 0.6C days, -5.5C nights, an extraordinarily high 159.6mm across over 15 days and 85 percent humidity.
Other months in Andermatt
Andermatt-forum threads on an August visit describe July and August specifically as when mountain railways run and trails stay reliably clear underfoot, posters naming this the real dependable window for summer hiking here. Regulars call the Natschen to Andermatt route a real standard family hike, several posters naming it accessible and scenic without being especially demanding. Posters call the Urschner Hohenweg and the Gemsstock tour the best-view routes, several regulars naming both for a more serious day out. Regulars call Andermatt genuinely unusual among Swiss towns, several threads naming it one of the few places to step straight out of a hotel door into the mountains without transport first. Posters recommend checking railway schedules before planning a route, several regulars calling this standard given how central the mountain trains are. The record: 19.1C days, 9.6C nights, an extraordinarily high 177.5mm across over 16 days and 80 percent humidity.
Andermatt-forum threads on a March visit describe a real split between the two main areas, posters naming the Natschen side as prone to slushy afternoon snow while Gemsstock, higher and north-facing, holds firmer conditions longer into the day. Regulars call most terrain here genuinely steep and north-facing, several posters naming limited grooming as the reason powder can persist for days after a storm. Posters call Gemsstock's roughly three-thousand-meter elevation a real advantage in March, several regulars naming this why experienced skiers gravitate there once lower slopes soften. Regulars call icy patches a real factor on Gemsstock despite generally better snow, several threads recommending sharp edges on the steeper pitches. Posters recommend timing runs by aspect and time of day, several regulars calling this standard given how much conditions vary between the two areas. The record: 3.7C days, -4.7C nights, 83.6mm across nearly 13 days and 75 percent humidity.
Andermatt-forum threads on a June visit describe the village as genuinely reachable without a car, posters naming train connections through the Gotthard and Furka lines as the real standard way in for a summer stay. Regulars call late May and June still a real transition period, several posters naming higher passes and trails that can hold patches of snow well into the month. Posters call the valley genuinely green and walkable by June even with peaks still capped, several regulars naming this the real appeal of an early-summer visit before full trail season. Regulars call afternoon showers a real feature of June here, several threads recommending a layered pack given how quickly conditions can shift. Posters recommend checking trail and pass status before a June hike, several regulars calling this standard given how much snow lingers at altitude. The record: 17.7C days, 7.8C nights, 137mm across 18 days and 80 percent humidity.
Andermatt-forum threads on a January visit describe December through March as genuinely the real peak snowfall window here, posters naming this the stretch when conditions run most reliable across the combined Andermatt-Sedrun-Disentis area. Regulars call Gemsstock's north-side slopes a real standout, several posters naming this near-three-thousand-meter peak for usually excellent cover regardless of lower-down conditions. Posters call the first week of January genuinely quieter than expected, several regulars reporting low crowds despite this sitting within the broader holiday season. Regulars call Gutsch the newer of the two areas, several threads distinguishing it from Gemsstock for anyone planning a multi-day itinerary. Posters recommend real layers and an early start for January powder days, several regulars describing excellent, varied terrain from past trips here. The record: -1.2C days, -7.6C nights, an extraordinarily high 89.7mm across over 12 days and 77 percent humidity.
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Andermatt climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Andermatt 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.
BusyChristmas holidays in Switzerland, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Andermatt'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 weatherAndermatt's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Andermatt in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Snow season
Ski seasonAbout 123 cm of snow falls in the month.
from the climate normals
Nearby, and something's on
Within 300 km of Andermatt — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Andermatt?
Andermatt in December — FAQ
- Is December a good time to visit Andermatt?
- December in Andermatt: cold, soaked, with clean air — fine if you can take 15 rainy days. It ranks #4 of 12 months for Andermatt on SeasonMap's comfort score (82/100).
- What is the weather like in Andermatt in December?
- In December, Andermatt averages a daily high of 0.6°C and a low of -5.5°C, with about 159.6 mm of rain over roughly 15.4 rainy days.
- What is the air quality in Andermatt in December?
- Andermatt has a mean US Air Quality Index of about 30 in December.
- Does it snow in Andermatt in December?
- Andermatt sees roughly 123.1 cm of snowfall in December.
Within 300 km: Bern's Munsterplatz bell-ringing on 31 Dec – 1 Jan, and Davos' Spengler Cup on 26–31 Dec.