Manaslu circuit trek weather is often unpredictable, particularly at its highest elevation above 5,000 meters (16,000 feet). Like other trekking areas in Nepal, conditions vary by season. Be ready for rapidly changing weather, which can include humidity, rain, and strong winds—sometimes all within a single day. During spring, temperatures generally range from -6 to 12°C (21° to 54°F), while in the fall, they typically fall between 8° and 12°C (46° to 54°F).

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