Is December a good month to visit London?

For beach + nightlife seekers: no. For locals'-rhythm city breaks: surprisingly yes.

Can you swim in London in December?

London isn't a coastal swim city — that's not the angle here.

About 52 mm on the 1991-2020 baseline — moderate.

Quiet by tourism standards. December in London is for travellers who want the locals' version of the city.

London · December 2026

Cool — London in December averages a 7.5°C daytime high. Indoor / cultural / nightlife months are the play.

Avg high

7.5°C

Avg low

2.8°C

Rainfall

51.5 mm

Moderate

Sun

0 h/day

Proper jacket weather. Wool, fleece, scarves. Waterproof shoes worth packing — cosy-restaurant trip rather than beach.

Year-round spots plus seasonal venues whose own season covers December. Tap through for the editorial detail page.

Is December a good month to visit London?: For beach + nightlife seekers: no. For locals'-rhythm city breaks: surprisingly yes.
Can you swim in London in December?: London isn't a coastal swim city — that's not the angle here.
What's the average rainfall in London in December?: About 52 mm on the 1991-2020 baseline — moderate.
Is December crowded in London?: Quiet by tourism standards. December in London is for travellers who want the locals' version of the city.