January 2022 is not a good time to go to Europe. Omicron's spike is hitting fast. In mid-January, the UK is reaching a plateau: if you make plans for even a few weeks from now, there are very good odds that rates will be falling. Much of Europe was hit later, and so will see their peaks later. Still, Omicron is fast: you might cross your fingers and make plans for March.
A few points worth emphasizing: