Weather in Chitwan national park


The weather in Chitwan national park is influenced strongly by the climate of the area in which the Chitwan National park is situated. The climate is tropical and wet with the typical monsoon. The climate has three distinct seasons-summer, Monsoon and winter. The summer lasts from March to June. These months are dry with high temperatures reaching 30 degrees Celsius or more. The hottest month in this season is May. The daily amplitude during this period is significant, the nights can very cold and in the afternoon it may become terribly hot. The relative humidity of air is lowest in this period (particularly in March).The prevailing winds are with southwesterly direction. The monsoon season begins at the end of May when the first pre-monsoon storms set in. The rain in this period falls mainly in the afternoons with high winds, thunder and lightning. The showers last for a very short time-15-20 minutes, and when June comes the frequency of these showers increases dramatically.


The real monsoon season begins in the middle of June when the wind direction changes from southwesterly to southeasterly which carry heavy rains from the Bay of Bengal. This period lasts until the end of September and is characterized with massive amounts of precipitations. In these three months more than 80% of the total annual falls in the form of rain. The precipitations although are not continuous and the dry days are almost the same as wet ones. The humidity reaches its peak in this season. The period is not conducive to tourism because all roads are closed and rivers are swollen.


The winter begins in October and ends in February. The winds blow from northerly direction coming from the mountains. They carry cold area masses from the north. The temperatures in this period are mild with averages around 25 degrees Celsius. In November the air over the Himalayas is particularly clear. That is why this is the best time in the year to see these majestic mountains in their full grandeur. The coldest month is January, with temperatures falling near the zero degree mark. The relative humidity in the winter can reach 100% in the mornings and that is why dew can appear. That is why it is not unusual in this period dew to be formed. It accumulates on the leaves of the trees and falls like a rain in the morning. The mornings are very cold but it is not unusual the temperatures to soar to 20-25 degrees in the afternoon. The annual rainfall in the park is 2150 mm. The greatest part of it falls in the monsoon season. The most beneficial season for visiting Chitwan national park is in winter because at that time temperatures are moderate and there are almost no rains. The vegetation is particularly lush and abundant in the monsoon season. The late winter is also the season when most of the trees in Chitwan bloom and blossom. One of them is the so called plash tree also known as the ‘flame of the forest’ and the silk cotton tree which have spectacular crimson colored flowers.















































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