Climate and Weather

The Weather and Climate of the Himalayas

If you have not been to the Himalayas before you might make the mistake of thinking the climate is fairly uniform across the entire mountain range but nothing could be further from the truth. If you’re planning a trip its key to understand how the weather changes throughout the year in each part of the Himalayas. The Indian monsoon is the main driver of climate and the impact of the monsoon or lack of it is of key importance for predicting the weather. A monsoon is best described as a seasonally reversing wind system. It works because during the hot part of the year the sun warms up the earth’s surface causing the atmosphere to rise and as it does it pulls in moist air from the ocean. When the sun is no longer heating the surface during the winter this mechanism reverses and a generally dry subsiding air mass dominates. The monsoon first reaches the Himalayas in far eastern India, Bhutan and Nepal in early June and remains over these regions for the longest time. For this reason, the western Himalayas in contrast to the eastern Himalayas are much drier and the monsoon starts later in the year. When […]

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The weather and climate of Mount Everest is one of extremes. Temperatures at the summit are never above freezing and during January temperatures can drop as low as -60° C (-76° F). Despite the low temperatures the biggest issue faced by climbers are hurricane force winds and wind chill. When the jet stream dips south during the winter hurricane force winds may develop reaching more than 285 km/h (177 mph). These winds relax in the month of May and most climbers try to attempt the peak during this short window. The Himalayas house the 3rd largest concentration of ice on the planet after the polar regions are often referred to as the third pole of the planet. Seasons of Everest Mount Everest lies 28° north of the equator and is subject to a typical northern hemisphere seasonal pattern. It lies at the edge of the influence of the Indian Monsoon which brings moisture and clouds from June to September. The cold months are December/January and the best trekking is between these two seasons .during March to May and October to November, when the climate is moderate. 1. Winter Weather at Everest:  Winter weather (Nov to Feb) is dominated by the […]

Categories: Climate and Weather

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