Portugal weather in December - temperature, rain and is it a good time to visit?

Daytime
16°
Night
🌊 Sea
16°
☀️ Day length
9 h 29 min
Chance of rain
26%
Thunder days
2%
Humid days
5%
WEATHER THROUGH THE YEARPortugal - December vs the year15°15°17°20°11°22°13°25°15°27°17°28°17°26°16°23°15°18°10°16°CHANCE OF RAIN (%)4747473225179917343726JanFebMarAprMayJunJulAugSepOctNovDecWARMESTAug (28°)COLDESTJan (15°)DRIESTJul (9%)WETTESTJan (47%)world-prices.com · 2026-07-08 · ★ best months
In December, Portugal averages about 16° during the day and 7° at night. There's a moderate chance of rain (about 26%). The sea is around 16°C - very cold for swimming.

Portugal weather all year - average temperatures and rain

MonthDayNightChance of rain
January 15℃7℃47%
February 15℃7℃47%
March 17℃9℃47%
April 20℃11℃32%
May 22℃13℃25%
June 25℃15℃17%
July 27℃17℃9%
August 28℃17℃9%
September 26℃16℃17%
October 23℃15℃34%
November 18℃10℃37%
December 16℃7℃26%
★ - months most often recommended for travel

Where is it warmest in Portugal in December? Weather by city

PlaceDayNight🌊 SeaChance of rain
Algarve 17℃10℃17℃18%
Faro 17℃10℃17℃18%
Leiria 16℃6℃15℃33%
Coimbra 16℃6℃-33%
Lisbon 15℃8℃16℃21%
Porto 15℃7℃15℃35%
Évora 15℃6℃-20%
Sintra 15℃7℃16℃21%
Ponte de Lima 15℃7℃15℃35%
Travelling soon? Check the live 14-day weather forecast for Portugal.

Portugal weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember