Climate and Rainfall 

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As the major part of the Study, Area is located near the foothills of Arunachal Pradesh, it exhibits a difference in temperature, rainfall, fog, wind, etc. The climate of the district is Per-humid characterized by high rainfall, mild summer and winter and falls under cool to warm per-humid thermic-agroecological subzone. The annual rainfall of the district ranges from 2600 mm to 3200 mm. Rainfall generally begins from April and continues till the end of September. The rainfall generally increases from southeast to northeast. July is the rainiest month. On average there are about 200 days with 3.5 mm or more rain in a year. The relative humidity varies from 90 to 73 percent. The temperature varies between 39.9°C in summer and 5.9°C in winter.