Manaslu Circuit Trek: Weather and Climate Guide

The Manaslu Circuit Trek is one of Nepal’s most stunning and challenging treks, taking adventurers through diverse landscapes, from lush forests to high alpine regions. Understanding the weather and climate along this trek is crucial for planning and ensuring a safe and enjoyable journey. This guide will provide an in-depth look at the seasonal weather patterns, climate variations, and what to expect during the Manaslu Trek.

Weather and Climate Overview

General Climate of the Manaslu Region

The Manaslu Circuit Trek spans a wide range of altitudes, from around 700 meters (2,300 feet) in the lower regions to over 5,160 meters (16,930 feet) at the Larkya La Pass. This significant altitude variation results in diverse climate zones, including subtropical, temperate, and alpine climates. Understanding these zones helps trekkers prepare for the different weather conditions they will encounter.

Temperature Variations

Temperatures on the Manaslu Trek vary greatly depending on the altitude and season. Lower regions experience milder temperatures, while higher altitudes can be extremely cold, especially at night. Here’s a general breakdown of the temperature ranges you can expect:

  • Subtropical Zone (700-2,000 meters): Temperatures range from 10°C to 25°C (50°F to 77°F).
  • Temperate Zone (2,000-3,000 meters): Temperatures range from 5°C to 20°C (41°F to 68°F).
  • Alpine Zone (3,000-5,160 meters): Temperatures range from -10°C to 10°C (14°F to 50°F), with nighttime temperatures dropping significantly below freezing.

Seasonal Weather Patterns

Spring (March to May)


Spring is one of the best seasons for the Manaslu Circuit Trek. The weather is relatively stable, and the temperatures are moderate, making trekking conditions favorable. This season is also known for its blooming rhododendrons and vibrant landscapes.

Temperature and Conditions

  • Daytime: 10°C to 20°C (50°F to 68°F)
  • Nighttime: 0°C to 10°C (32°F to 50°F)
  • Conditions: Clear skies, blooming flora, and minimal rainfall.

Summer/Monsoon (June to August)


The summer season coincides with the monsoon, bringing heavy rainfall and challenging trekking conditions. Landslides, slippery trails, and leeches can be common, making this a less popular time for the Manaslu Trek.

Temperature and Conditions

  • Daytime: 15°C to 25°C (59°F to 77°F)
  • Nighttime: 10°C to 15°C (50°F to 59°F)
  • Conditions: Heavy rainfall, muddy trails, and potential landslides.

Autumn (September to November)


Autumn is the most popular season for the Manaslu Circuit Trek. The weather is stable, the skies are clear, and the temperatures are moderate. This season offers the best views of the mountains and the most comfortable trekking conditions.

Temperature and Conditions

  • Daytime: 10°C to 20°C (50°F to 68°F)
  • Nighttime: -5°C to 10°C (23°F to 50°F)
  • Conditions: Clear skies, crisp air, and excellent visibility.

Winter (December to February)


Winter trekking in the Manaslu Circuit is for the more adventurous, as it brings cold temperatures and heavy snowfall. The trails can be challenging due to snow and ice, and some passes may be closed.

Temperature and Conditions

  • Daytime: -5°C to 10°C (23°F to 50°F)
  • Nighttime: -15°C to 0°C (5°F to 32°F)
  • Conditions: Cold, snowy, and potentially hazardous.

Preparing for the Manaslu Circuit Trek

Clothing and Gear

Proper clothing and gear are essential for handling the diverse weather conditions on the Manaslu Trek:

  • Layered Clothing: Base layers, insulating layers, and waterproof outer layers to adjust to changing temperatures.
  • Warm Sleeping Bag: Rated for sub-zero temperatures.
  • Trekking Poles: Useful for stability, especially on slippery or uneven terrain.
  • Rain Gear: Essential during the monsoon season.

Acclimatization and Health

Due to the high altitudes, proper acclimatization is crucial to avoid altitude sickness. Trekkers should:

  • Ascend Gradually: Follow a sensible itinerary that allows for gradual altitude gain.
  • Stay Hydrated: Drink plenty of water to help acclimatize.
  • Rest Days: Include rest days in your itinerary for acclimatization.


Understanding the weather and climate of the Manaslu Circuit Trek is vital for a safe and enjoyable trekking experience. Each season offers unique challenges and rewards, from the vibrant blooms of spring to the clear skies of autumn. With proper preparation and awareness of the conditions, trekkers can fully appreciate the beauty and adventure that the Manaslu Trek has to offer. Whether you’re a seasoned trekker or a first-time adventurer, the Manaslu Circuit Trek promises an unforgettable journey through one of Nepal’s most stunning and diverse regions.

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