Piz Gannaretsch Mountain

Swiss Alpine peak in Graubünden popular with hikers

A Swiss alpine summit near the Lukmanier region, Piz Gannaretsch appeals to hikers and ski‑tourers with high‑alpine routes, ridgelines and passes linking Graubünden valleys.

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Piz Gannaretsch at a Glance#

Address: Piz Gannaretsch, canton of Graubünden (Grisons), Switzerland

Tips for Visiting Piz Gannaretsch#

  • Climb or approach Piz Gannaretsch in summer (July-September) when snow is minimal and route-finding over alpine terrain is easier; start very early to avoid typical afternoon storms.
  • Check recent conditions and route descriptions from the Swiss Alpine Club (SAC) or local mountain guides - some approaches include exposed or pathless sections where up-to-date information matters.
  • If you plan overnighting, use nearby SAC huts or established alpine accommodation rather than improvising campsites; this both reduces environmental impact and gives safer staging for summit attempts.
  • Allow extra time for descent and factor in sudden weather changes - even in summer the high alpine environment in Graubünden can change rapidly, making late returns risky.

Best Time to Visit Piz Gannaretsch#

Visit in midsummer for the safest, most reliable hiking and snow-free routes; outside that window expect snow and technical conditions.

Summer (hiking season)
June-September · Alpine: around 0-15 °C depending on elevation
Most trails are snow-free and accessible; best window for day hikes and ridge routes.
Late autumn/winter (snow and ice)
October-May · Often below freezing at higher elevations
Cold and snowy conditions make routes technical-suitable for experienced mountaineers and winter sports with proper equipment.

Weather & Climate near Piz Gannaretsch#

Climate

Piz Gannaretsch's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -12°C to 7°C. Abundant rainfall (1285 mm/year), wettest in July, distributed fairly evenly throughout the year.

Air Quality: AQI 34 Good
Best Time to Visit
AugustJulySeptember
Temperature & Rainfall
Temperature Range
27°
Warmest Month
-30°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -11° - -7° -17° 101 mm partly cloudy 90% 6.5 m/s 0.2 low 8.9h
February Poor -12° - -7° -18° 88 mm partly cloudy 90% 6.0 m/s 0.3 low 10.2h
March Poor -11° - -6° -17° 104 mm partly cloudy 90% 6.0 m/s 0.7 moderate 11.8h
April Poor -9° - -5° -14° 109 mm overcast 86% 5.6 m/s 1.0 high 13.4h
May Poor -5° - 0° -8° 98 mm overcast 82% 5.0 m/s 1.3 high 14.8h
June Poor -2° - 4° -4° 116 mm overcast 78% 4.7 m/s 1.7 very high 15.6h
July Poor 2° - 7° 1° 127 mm partly cloudy 78% 4.6 m/s 1.7 very high 15.2h
August Poor 2° - 7° 1° 122 mm partly cloudy 80% 4.2 m/s 1.4 high 14.0h
September Poor -1° - 5° -2° 110 mm partly cloudy 82% 4.9 m/s 1.0 moderate 12.4h
October Poor -4° - 1° -7° 102 mm partly cloudy 86% 5.6 m/s 0.5 low 10.7h
November Poor -8° - -4° -13° 107 mm partly cloudy 90% 6.2 m/s 0.2 low 9.3h
December Poor -10° - -5° -15° 101 mm partly cloudy 88% 6.5 m/s 0.1 low 8.5h

Nearby Attractions to Piz Gannaretsch#