Season & Weather Guide
Best Time for Yunam Peak Expedition — Month-by-Month Guide
Seasonal Overview
The climbing window is restricted entirely to late summer when the snowpack is hardest and the Leh-Manali highway is guaranteed open.
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Peak Season
july, august, september
Off Season
october, november, december, january, february, march, april, may, june
Season Selection
Key point
August is the absolute safest bet. The snow has consolidated, making stepping much firmer than the soft sludge of early July.
Month-by-Month Trail Guide
January
Conditions
Buried under massive Himalayan winter snow. Highway closed.
Crowds
none
Forbidden.
February
Conditions
Highway closed.
Crowds
none
Forbidden.
March
Conditions
Highway closed.
Crowds
none
Forbidden.
April
Conditions
Highway closed.
Crowds
none
Wait.
May
Conditions
Highway clearing operations. Highly dangerous avalanches on Yunam.
Crowds
none
Wait.
June
Conditions
First expeditions possible, but snow is soft, wet, and exhausting.
Crowds
low
Snow is too unstable for safe, non-exhausting climbing.
July
RecommendedConditions
Prime climbing window. Better snow stability.
Crowds
medium
Expedition season begins.
August
RecommendedConditions
Peak climbing season. Trans-Himalayan desert stays dry during monsoon.
Crowds
high
Best conditions. Summit winds are lowest of the year.
September
RecommendedConditions
Extremely cold, but clear. Best summit visibility.
Crowds
medium
Very cold, but outstanding 360-degree visibility on the summit.
October
Conditions
Winds at 20,000 ft become lethal. Expeditions stop.
Crowds
none
Lethal wind chill. Season ends.
November
Conditions
Highway closing.
Crowds
none
Closed.
December
Conditions
Highway closed.
Crowds
none
Closed.
Important Tips
Aim for mid-August. You escape the blistering Indian monsoon completely because Keylong/Bharatpur falls entirely in the rain shadow area.
Timing makes or breaks a trek. Send this to your group before you decide.
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