Nepal Weather & Climate Guide: Seasons, Regions, and Best Times to Visit
Nepal is a country of extraordinary geographic range, stretching from subtropical lowlands along its southern border to the highest peaks on Earth in the north. That range means Nepal does not have a single climate — it has many, stacked on top of each other within a few hundred kilometres. Understanding how those climates work is the key to planning a trip that matches the weather you actually want.
Nepal's Climate Zones
The southernmost strip, the Terai, shares the hot, humid climate of the Indo-Gangetic Plain. Cities like Bharatpur sit in this zone: summers are genuinely hot and steamy, winters are mild and hazy, and the monsoon delivers heavy rainfall from June through September. Moving north into the mid-hills, the climate moderates quickly. Kathmandu and Pātan, both sitting at roughly 1,300–1,400 metres in the Kathmandu Valley, enjoy pleasantly warm springs and autumns, cool winters that occasionally dip near freezing overnight, and a distinct monsoon season. Pokhara, at a similar elevation but further west and positioned to catch moisture rolling off the Annapurna massif, is one of the wettest cities in the country even outside the monsoon. The high Himalaya above 3,000 metres transitions into an alpine and eventually arctic climate, where snow can fall in any month and temperatures remain extreme year-round.
The Four Seasons
Spring (March–May) is one of Nepal's two great trekking windows. Temperatures climb steadily, rhododendrons bloom across the mid-hills, and mountain views remain clear before the monsoon haze builds. By May, the Terai becomes genuinely hot, and afternoon thunderstorms start to arrive.
Monsoon (June–September) transforms the landscape. The southwest monsoon pushes moisture northward from the Bay of Bengal, delivering roughly 80 percent of Nepal's annual rainfall in these four months. Trails turn muddy, leeches emerge in the forests, and mountain views are frequently hidden by cloud. The far northwest — the rain-shadow regions of Mustang and Dolpo — stays relatively dry and is at its best precisely during these months.
Autumn (October–November) is Nepal's peak travel season, and for good reason. The monsoon retreats, washing the sky to an exceptionally clear blue, temperatures are comfortable at all elevations, and the mountain views are the sharpest of the year. Trails become busy, so booking ahead matters.
Winter (December–February) brings cold, crisp air and occasional snowfall above 2,000 metres. The Kathmandu Valley can see frost on cold nights, and high-altitude routes become impassable or demanding. The Terai, meanwhile, stays comfortably warm in the daytime, making it a good season for wildlife safaris in Chitwan.
Best Time to Visit Nepal for Weather
October and November offer the most reliable conditions for trekking, sightseeing, and travel across most of the country. March and April are a close second, especially for those who want to see the mountains without the crowds of autumn. If your goal is the high-altitude rain-shadow regions, plan for July or August. For budget travel and a lush green landscape, the monsoon is viable if you accept the rain. For global weather comparisons and forecasts from thousands of locations around the world, the world weather hub is a useful starting point.
FAQ
What is the best time to visit Nepal?
October and November are widely considered the best months to visit Nepal. The monsoon has ended, skies are crystal clear, and temperatures are comfortable from the Terai up to high trekking elevations. Spring — particularly March and April — is nearly as good and offers the bonus of blooming rhododendrons across the hillsides.
What is the climate of Nepal?
Nepal has multiple climate zones due to its dramatic change in elevation. The southern Terai lowlands have a subtropical climate with hot summers and a heavy monsoon. The mid-hills and Kathmandu Valley have a temperate climate with four distinct seasons. The high Himalayan zone above 3,000 metres is alpine to arctic, with permanent snow and ice at the highest elevations.
Does Nepal get snow?
Yes, but mainly above 2,000 metres and primarily during winter (December–February). The Kathmandu Valley, sitting at around 1,300–1,400 metres, occasionally sees brief snowfall during cold winters, which is a notable event for the city. High mountain passes and trekking routes above 4,000 metres can receive snow in any month of the year.