Helsenhorn Mountain

Alpine peak in Valais on Swiss-Italian ridge

Helsenhorn in Valais is a high, glaciated Alp on the border with Uri. Climbers approach for multi-day ridge traverses and views down into the Rhone and Reuss valleys.

Main image

Helsenhorn at a Glance#

Best Time to Visit Helsenhorn#

For Helsenhorn, the safest and most practical window for non-technical alpine hiking is midsummer (Jul-Sep) when snow is at its minimum; outside that window conditions can be cold and unpredictable.

Summer (best for access)
Jul-Sep · Valley 5-20°C; summit near or below 0-5°C
Warm conditions in the valleys and reduced snow make alpine approaches and hiking most accessible, though summit temperatures remain low.
Spring/Autumn (variable)
Apr-Jun, Oct-Nov · Valley 0-15°C; summit often around or below freezing
Unpredictable weather with possible late/early snow at higher elevations; good for experienced hikers who monitor conditions closely.
Winter
Dec-Mar · Valley often below 0-5°C; summit well below freezing
Heavy snow and avalanche risk make routes suitable only for well-equipped, experienced mountaineers.

Weather & Climate near Helsenhorn#

Climate

Helsenhorn'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 8°C. Moderate rainfall (672 mm/year), distributed fairly evenly throughout the year.

Air Quality: AQI 38 Good
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
26°
Warmest Month
-29°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -11° - -6° -17° 53 mm partly cloudy 87% 6.3 m/s 0.2 low 8.9h
February Poor -12° - -7° -17° 48 mm partly cloudy 87% 5.9 m/s 0.3 low 10.2h
March Poor -12° - -7° -17° 62 mm partly cloudy 87% 6.0 m/s 0.7 moderate 11.8h
April Poor -10° - -5° -15° 59 mm overcast 84% 5.7 m/s 1.0 high 13.4h
May Poor -6° - -1° -9° 54 mm overcast 81% 5.3 m/s 1.3 high 14.8h
June Poor -2° - 3° -4° 56 mm overcast 78% 4.9 m/s 1.7 very high 15.6h
July Acceptable 2° - 7° 0° 59 mm partly cloudy 77% 4.8 m/s 1.7 very high 15.2h
August Acceptable 3° - 8° 2° 64 mm partly cloudy 79% 4.4 m/s 1.4 high 14.0h
September Acceptable 0° - 5° -2° 57 mm partly cloudy 81% 5.1 m/s 1.0 moderate 12.4h
October Poor -4° - 1° -7° 55 mm partly cloudy 83% 5.6 m/s 0.5 low 10.7h
November Poor -8° - -3° -13° 57 mm partly cloudy 87% 6.0 m/s 0.2 low 9.3h
December Poor -10° - -5° -15° 48 mm partly cloudy 85% 6.3 m/s 0.1 low 8.5h