Normally the average weather in Ulsan for the month of December is 6 with a normal high in the month being 10 with low average temperatures being 0. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 6 |
| High Temperature | 10 |
| Low Temperature | 0 |
Useful Links: Ulsan Weather: Average Weather & Yearly Climate