Generally, average temperature in Geilo throughout the duration of January is -7. You can expect highs around -5 and low average expected to be -10 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | -7 |
| High Temperature | -5 |
| Low Temperature | -10 |
Useful Links: Geilo Weather: Average Weather & Yearly Climate