Climate & Environment

Nepal's Monsoon Is Turning Erratic and Extreme: the Climate Science Behind the Floods (2026)

A warmer sky holds more water, and Nepal's rains now arrive in shorter, fiercer bursts — driving worse landslides and floods.

By Laxman Rawal · Aug 27, 2026

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Ask anyone who has lived through a Nepali summer and they will tell you the monsoon no longer behaves the way it used to. The rains still come — broadly June to September — but they increasingly arrive in shorter, harder bursts: a month's water in a single…

Travel Himalaya Nepal · News

The physics: a fuller sponge in the sky

The engine behind heavier rain is old, settled science. Warm air holds more moisture than cold air — the Clausius—Clapeyron relationship — and the working rule is about 7% more water vapour for every degree Celsius of warming. A sky carrying more water has…

Travel Himalaya Nepal · News

What that does on the ground

Rain that falls fast, onto steep, deforested and already-saturated slopes, does not soak in — it runs off, and it can take the hillside with it. Nepal's monsoon now routinely kills people and severs highways: each summer brings landslides burying roads…

Travel Himalaya Nepal · News

The trend, not the forecast

No single flood proves climate change, and no dry season disproves it. What the science describes is loaded dice: a warmer atmosphere makes extreme wet events more likely and more severe, year on year, on top of whatever any given monsoon does. For Nepal —…

Travel Himalaya Nepal · News

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