Average maximum and minimum temperatures in centigrade in various trekking locations. You can estimate temperatures for other nearby locations by a simple formula For a rise of 100m the temperature falls 0.6
| Altitude | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sept | Oct | Nov | Dec | |
| Kathmandu | 1336m | 19/2 | 21/3 | 25/7 | 28/10 | 30/4 | 29/18 | 28/19 | 28/19 | 27/17 | 27/12 | 23/7 | 20/2 |
| Pokhara | 833m | 19/6 | 21/8 | 26/12 | 30/15 | 30/18 | 29/20 | 29/21 | 29/21 | 28/20 | 26/17 | 23/11 | 20/7 |
| Trisuli | 540m | 20/7 | 25/8 | 30/13 | 34/17 | 33/19 | 33/21 | 32/20 | 32/20 | 31/18 | 30/15 | 27/12 | 23/8 |
| Langtang | 3310m | 2/-11 | 3/-10 | 8/-6 | 14/-2 | 17/2 | 18/7 | 19/9 | 18/8 | 16/7 | 15/2 | 9/-8 | 8/-10 |
| Jomsom | 2800m | 12/-3 | 13/-1 | 16/2 | 20/4 | 23/7 | 25/12 | 25/14 | 25/14 | 23/11 | 9/5 | 15/1 | 13/-2 |
| Marpha | 3000m | 10/-1 | 12/0 | 15/3 | 18/5 | 19/7 | 21/11 | 21/12 | 21/12 | 20/11 | 17/7 | 14/2 | 12/0 |
| Lumle | 1520m | 13/5 | 14/6 | 19/10 | 22/13 | 22/14 | 23/17 | 22/17 | 23/17 | 21/16 | 20/14 | 16/9 | 13/6 |
| Jumla | 2425m | 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 | 2000m | 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 | 3450m | 7/-8 | 6/-6 | 9/-3 | 12/1 | 14/4 | 15/6 | 16/8 | 6/8 | 15/6 | 12/2 | 9/3 | 7/-6 |
| Tengboche | 3870m | 4/-9 | 5/-9 | 9/-6 | 12/-4 | 14/-1 | 14/3 | 14/5 | 14/4 | 13/2 | 12/-2 | 8/-7 | 6/-7 |
| Ilam | 1300m | 16/9 | 18/10 | 23/14 | 25/16 | 25/17 | 25/18 | 25/18 | 25/19 | 25/17 | 25/16 | 21/12 | 18/8 |
| Chitwan | 150m | 20/5 | 25/10 | 30/20 | 32/24 | 36/25 | 37/26 | 37/27 | 35/26 | 36/27 | 30/25 | 28/24 | 20/4 |
