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Season & Weather Guide
Peak season offers stable clear weather windows.
Summit Window
Severe from November through winter
Alpine Start
01:00 AM – 09:00 AM
Avoid afternoon wind deterioration and high temperatures melting snow bridges.
Forecast Source
Meteoblue / Mountain-Forecast
Verify satellite forecasting reports before final summit push.
Conditions by Month
May
Jun
Oct
Sep
Lightning Risk
July & August
May-June and September-October offer the most reliable conditions for glacier travel. April and November serve as shoulder seasons, suitable for experienced teams equipped for colder or transitional conditions.
Season at a Glance
Editor's Notes
May-June offers consolidated snow corridors, while September-October post-monsoon offers stable skies but extremely cold summit temperatures.
Month by Month
Conditions
Extreme winter conditions with severe blizzards.
Crowds
none
Sub-zero temperatures and high avalanche risk on steep slopes dominate.
Closed. Extreme winter conditions.
Conditions
Extreme winter conditions with deep snow accumulation.
Crowds
none
Sub-zero temperatures and high avalanche risk on steep slopes dominate.
Closed. Extreme winter conditions.
Conditions
Early season with deep, unconsolidated snow.
Crowds
none
Unconsolidated snow increases avalanche risk on the 45-degree summit slopes.
Early season. Deep snow accumulations.
Conditions
Transitional month with warming daytime temperatures but significant lingering snow.
Crowds
low
Early season. Deep snow accumulations.
Conditions
Consolidated snow provides better bridging over the crevassed glacier.
Crowds
low
Prime pre-monsoon window. Good snow stability.
Conditions
Pre-monsoon warmth with generally stable weather and consolidated snow.
Crowds
low
Prime pre-monsoon window. Good snow stability.
Conditions
Heavy monsoon rainfall on the approach.
Crowds
none
Heavy rainfall increases landslide risk on the approach and weakens snow bridges.
Monsoon danger. Landslides and severe rains.
Conditions
Heavy monsoon rainfall on the approach.
Crowds
none
Heavy rainfall increases landslide risk on the approach and weakens snow bridges.
Monsoon danger. Landslides and severe rains.
Conditions
Clear skies and stable weather, though crevasses may be more exposed.
Crowds
low
Crystal clear skies. Best visibility of the year.
Conditions
Clear skies and stable weather, though crevasses may be more exposed.
Crowds
low
Crystal clear skies. Best visibility of the year.
Conditions
Cold but stable weather. Rapid temperature drops require robust cold-weather gear.
Crowds
low
Winter setting in. Sub-zero temperatures rapid.
Conditions
Extreme winter conditions with severe blizzards.
Crowds
none
Sub-zero temperatures and high avalanche risk dominate.
Closed. Extreme winter conditions.
Sunrise Spot
Summit ridge / high camp looking east.
Recommended Lenses
Astrophotography
Drones not permitted
Requires DGCA permission; usually restricted due to close proximity to borders.
Sub-zero temperatures rapidly draining batteries. Keep devices in inner clothing pockets.
Plan Your Expedition:
Compare routes side-by-side to find the perfect match for your fitness, dates, and budget.
Timing makes or breaks a trek. Send this to your group before you decide.
Step 3: Route Intelligence
Now see exactly how the route unfolds day by day, including terrain types and daily altitude profiles.
Explore the Itinerary