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Ladakh, India’s high-altitude cold desert, is witnessing an unusual shift in its climate. The Union Territory has recorded 65% more rainfall than normal during the current southwest monsoon, making it the wettest state or Union Territory in India in terms of rainfall departure as of July 15. According to the India Meteorological Department (IMD), this marks the fifth consecutive year that Ladakh has received above-normal monsoon rainfall, a striking departure for a region that typically lies in the rain shadow of the Himalayas and receives very little monsoon precipitation. Scientists warn that while the extra rainfall may appear beneficial, it is increasing the risk of flash floods, landslides and glacier-related hazards in one of India’s most fragile mountain ecosystems.
Ladakh’s rainfall pattern is changing
Ladakh is traditionally known as a cold desert, receiving only around 100 millimetres of annual precipitation because the Himalayas block most monsoon clouds from reaching the region. However, rainfall has remained above normal every monsoon season since 2022, with four of those five years falling in the IMD’s large excess rainfall category. This year’s 65% rainfall surplus stands in sharp contrast to many other parts of India, including Meghalaya and Kerala, which are currently reporting rainfall deficits.
Meteorologists say changing atmospheric circulation, warmer temperatures and an increasing interaction between monsoon systems and western disturbances are allowing more moisture to penetrate the western Himalayas. The result is more frequent rainfall events in a landscape that is naturally dry and poorly adapted to absorb large volumes of water.
Researchers say even moderate rainfall can trigger significant impacts in Ladakh because its steep slopes, loose sediments and sparse vegetation offer little protection against erosion and runoff.
More rain is bringing greater disaster risks
The shift in rainfall patterns is increasing the likelihood of flash floods, landslides and debris flows across the region. Scientists note that warming temperatures are already accelerating glacier melt, while heavier rainfall can destabilise glacial lakes and increase the risk of glacial lake outburst floods (GLOFs).
The concern is particularly acute because many villages, roads and tourism infrastructure are located along narrow river valleys. Heavy rainfall in recent years has repeatedly damaged roads, bridges and agricultural land while disrupting connectivity in several parts of Ladakh. Researchers say infrastructure in the region was designed for a cold desert climate and is becoming increasingly vulnerable as rainfall becomes more frequent.
The changing weather is also affecting traditional farming systems. Farmers who have long depended on predictable snowmelt and limited rainfall are now dealing with sudden downpours that can erode fields, damage crops and alter water availability during the growing season.
Scientists link the trend to a changing Himalayan climate
Climate scientists say Ladakh’s changing rainfall pattern reflects broader changes taking place across the Himalayan region. Rising temperatures are allowing the atmosphere to hold more moisture, increasing the potential for intense rainfall events even in places that historically remained dry.
The findings also come as much of India experiences an uneven monsoon. While several states continue to face rainfall deficits, Ladakh has emerged as one of the country’s biggest rainfall anomalies this season, highlighting how climate change is making the monsoon increasingly unpredictable across different regions.
Experts caution that more rainfall should not be mistaken for greater water security. In fragile mountain regions such as Ladakh, short bursts of heavy rain often run off quickly instead of replenishing groundwater, while increasing the risk of floods, erosion and damage to infrastructure. They say the region’s recent run of wetter monsoons may be an early sign of how climate change is reshaping one of India’s most climate-sensitive landscapes.
References:
https://www.nature.com/articles/s44304-026-00168-w
Banner image: Photo by Vikas Anand Dev on Unsplash
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