Normally the average daily weather in Ulan Bator for the duration of December is -19 with a typical high being -13 with lows of -26. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | -19 |
| High Temperature | -13 |
| Low Temperature | -26 |
Useful Links: Ulan Bator Weather: Average Weather & Yearly Climate