Weather Overview (Kathmandu & trekking regions)
- Spring (March–May): Warm days, clear skies, stable weather
- Summer/Monsoon (June–August): Heavy rain, cloudy, slippery trails
- Autumn (September–November): Clear views, best trekking weather
- Winter (December–February): Cold, snow at high altitude, fewer trekkers
Best Season for Trekking
Autumn (Best Season)
- Clear mountain views (Everest, Annapurna, Manaslu)
- Stable weather and mild temperature
- Perfect for all major treks
- Best for photography and peak climbing
Spring (Second Best Season)
- Beautiful rhododendron forests bloom
- Moderate temperature (not too cold or hot)
- Good visibility in mornings
- Popular for trekking and peak climbing
Seasons to Be Careful
Monsoon (Not recommended)
- Heavy rainfall and landslides
- Leech-infested trails in lower regions
- Poor mountain visibility
Winter (Challenging but possible)
- Very cold at high altitude
- Snow may block passes (Thorong La, etc.)
- Good for short and low-altitude treks
Simple Summary
- Best: Autumn (Sept–Nov)
- Good: Spring (Mar–May)
- Risky: Monsoon (Jun–Aug)
- Hard: Winter (Dec–Feb)