Typically the average temperate in Kathmandu throughout December is 9 with usual highs being around 18 and lows around 3.5. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 18 |
| Low Temperature | 3.5 |
| Sunshine Per Day | 11 |
Useful Links: Kathmandu Weather: Average Weather & Yearly Climate