Weather and Climate

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Climate of Nepal
Climate of Nepal

Weather and Climate of Nepal – Climatic conditions of Nepal vary from one place to another in accordance with the geographical features. In the north summers are cool and winters severe, while in south summers are tropical and winters are mild. Nepal has namely five major seasons: spring, summer, monsoon, autumn and winter. An average temperature drop of 6°C occurs for every 1,000 m gain in altitude. In the Terai, summer temperatures exceed 37° C and higher in some areas, winter temperatures range from 7°C to 23°C in the Terai. In mountainous regions, hills and valleys, summers are temperate while winter temperatures can plummet under sub zero.

Nepal has four distinct seasons. Spring, from March to May is warm and dusty with rain showers. Summer, from June to August, is the monsoon season when the hills turn lush and green. Autumn, from September to November, is cool with clear skies, and is the most popular trekking season. In winter from December to February, it is cold at night and can be foggy in the early morning but afternoons are usually clear and pleasant, though there is occasional snow in the mountains.

Climate Condition in Kathmandu
Climate Condition in Kathmandu

Weather condition in Nepal vary from region to region. Summer and late spring temperatures range from more than 40 Degrees Celsius in the Terai to about 28 Degrees Celsius in the hilly region of the country. In winter, average maximum and minimum temperatures in the Terai range from a mild 23 Degrees Celsius to a brisk 7 Degrees Celsius while the central valleys experience a chilly 12 Degrees Celsius maximum temperature and a minimum temperature often falling below freezing point.

Much colder temperatures prevail at higher elevations. The Katmandu Valley situated at an altitude of 1310m, has a seasonable but equable climate with average summer and winter temperatures of 27 Degrees Celsius to 19 Degrees Celsius and 20 Degrees Celsius to 2 Degrees Celsius respectively. The annual rainfall in Katmandu generally exceeds 1300mm. The mean annual precipitation ranges from more than 6000mm along the southern slopes of the Annapurna Range in central Nepal to less than the 250mm in the north central portion near the Tibetan plateau. Amounts varying between 1500 and 2500mm predominate over most of the country. On an average, about 80% of the precipitation is confined to the monsoon period (June-September).

Below the chart for Nepal Weather & Climate Condition

 

First line: Precipitation [mm]. Second line: Temperature-Max/Min [oC]

Town
(Altitude meters/feet)
Jan Feb March April May June July Aug Sept Oct Nov Dec
Kathmandu  18     11 33  54 83 270 383 338 160 62 7 2
(1336/4383) 19/2 21/3 25/7 28/10 30/14 29/18 28/19 28/19 27/17 27/12 23/7 20/2

Trisuli   20   23 29 57  90 319 463 474 265 107 14 5
(541/1775) 22/7 25/8 30/13 34/17 33/19 33/21 32/20 32/20 31/18 30/15 27/12 23/8

Langtang
(3500/11,4) 2/-11  3/-10 8/-6 14/-2 17/2 18/7 19/9 18/8 16/7 15/2 9/-8 8/-10

Pokhara   26      25 50 87 292 569 809 705 581 224 19 1
(827/2713) 19/6 21/8 26/12 30/15 30/18 29/20 29/21 29/21 28/20 26/17 23/11 20/7

Lumle 28 45 52 194 318 902 1522 1339 932 294 23 2
(1615/5300)  13/5 14/6 19/10 22/13 22/14 23/17 22/17 23/17 21/16 20/14 16/9 13/6

Marpha   14     13 27 22 26 44 63 58 45 58 7 2
(2667/8750)  10/-1 12/0 15/3 18/5 19/7 21/11 21/12 21/12 20/11 17/7 14/2 12/0

Jomson

   20

18 23  15 11 17 41 54 35 37 2 2
(2713/8900) 12/-3 13/-1 16/2 20/4  23/7 25/12 25/14  25/14 23/11 19/5 15/1 13/-2

Chame 3 71  72  — 50 106 182 145   65 59 8 24
(2615/8580) 9/-3 13/1 14/1 20/7 19/6 21/11 21/10  21/10 19/10 17/6 14/1 11/-3

 Jumla  32  40 43 27  40 70 162  173  92  39 1 4
(2329/7640) 11/-2 13/-3 17/0 22/3 24/6 24/13 23/15  24/15 23/12  24/6 19/-4 15/-5

Jiri 18 20 47 71 139 381 599  605 337 93 15 3
(1905/6250) 13/0 15/1 19/4 22/8 22/12 23/16 23/17 23/17 22/15 20/10 17/4 14/1

Namche Bazaar  26 23 34 26 41 140  243  243 165 78   9  39
(3446/11,300) 7/-8 6/-6 9/-3 12/1 14/4 15/6 16/8  16/8 15/6 12/2  9/3  7/-6

Tengboche 13  24 23 25 29 95 280  265 140 72  9   2
(3867/12,887) 4/-9 5/-9 9/-6 12/-4 14/-1 14/3 14/5 14/4 13/2  12/-2 8/-7  6/-7

Taplejung 15   32  55  111 243  335  448  400 271   82 14 4
(1783/5850) 14/4 15/6 19/9 22/2 23/14 24/17 24/18 24/17   23/16 22/13 18/8 15/5

Ilam

 10  8 18 62 139  321  463 280 215  81 8  2
(1300/4265)  16/9 18/10 23/14  25/16  25/17  25/18 25/18  25/19 25/17  25/16  21/12  18/8

 

For more information about Nepal’s climatic conditions,please visit: http://www.dhm.gov.np (official web site of the Department of Hydrology & Meteorology, Ministry of Environment).