Weather and Climate in Nepal

Nepal’s climate varies with its topography. It ranges from tropical to arctic depending upon the altitude. The Terai region, which lies in the tropical southern part of the country, for instance, has a hot, humid climate. The mid-land regions are pleasant almost all year around, although winter morning and nights are cool. The northern mountain region, around an altitude above 3,353 meters has an alpine climate with a considerably lower temperature and thin air in winter as can be expected.  Nepal has four climatic seasons.

Spring: March - May
Summer: June - August
Autumn: September - November
Winter: December -February                                                 

Spring is colorful season which is punctuated by the odd shower of life-giving rain but the heat gradually builds until the monsoon relief arrives. During summer the Monsoon; moisture-laden wind, gathers in the Bay of Bengal and sweep up across India to spend its force on the Himalayan mountain chain. Autumn is renowned for clear skies and pleasant temperature. By winter the high hills take dry brown shades and the mountains are occasionally dusted with fresh snow. However due to Nepal’s vast range of diversified land orientation as well its amazing climatic variation effects regular seasons different and are six in Nepal. 

Nepali Seasons
Spring -Basanta,April-May      
Summer -Grishma,June-July      
Monsoon -Barsha,Late June-Mid September       
Autumn - Sharad,September-November      
Winter -Hinud, December-January      
Windy - Sisir,February-March      

Weather in Himalayan region is unpredictable. Due to diversity in altitude and high Himalayas surrounded this area is always chilling with high winds all the time. This region has 4 weather seasons with each of its own characteristics. 

• Spring Season (March to May): This is the best season in this region as the weather starts to warm up after winter. Day time are sunny with clear sky and beautiful mountains. Trekking trails are easy with rhododendron flower (National flower of Nepal) blooming all around forest. 
• Summer/ Monsoon (June to August): This season is off season for trekking as the trails are rough due to rainfalls and less visibility of mountains. The high humidity and rain make the trekking route challenging but this region is quite during this season. 
• Autumn (September to November): The weather is generally stable and dry making the trekking route easy. Autumn is a best season for trekking because of the weather conditions and its also the festival season in Nepal. Days are warm and comfy whereas nights are bit chilly. 
• Winter (December to February): Winter in Himalayas is most challenging time throughout the year making the trekking routes quiet. Snow falls all around the region during this time will lead the authorities to close some of trekking routes due to safety concerns. 

Note: Weather is unpredictable in Himalayas region and can change the conditions rapidly. We want our valued trekkers to be prepared for every kind of climatic conditions. Our trekking guide will always update you about the weather conditions and precautions method if anything unforeseen situation comes up.