Is December a good month to visit Lisbon?

For beach + nightlife seekers: no. For locals'-rhythm city breaks: surprisingly yes. Sea around 15°C — local-only territory.

Can you swim in Lisbon in December?

Sea is around 15.2°C — local-only territory in December.

About 85 mm on the 1991-2020 baseline — wet.

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

Lisbon · December 2026

Cool — Lisbon in December averages a 14.2°C daytime high. Indoor / cultural / nightlife months are the play. Sea 15.2°C — cold for tourists.

Avg high

14.2°C

Avg low

10°C

Rainfall

85 mm

Wet

Sun

0 h/day

Sea temp

15.2°C

Cold for tourists

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 Lisbon?: For beach + nightlife seekers: no. For locals'-rhythm city breaks: surprisingly yes. Sea around 15°C — local-only territory.
Can you swim in Lisbon in December?: Sea is around 15.2°C — local-only territory in December.
What's the average rainfall in Lisbon in December?: About 85 mm on the 1991-2020 baseline — wet.
Is December crowded in Lisbon?: Quiet by tourism standards. December in Lisbon is for travellers who want the locals' version of the city.