Transit Desk

Climate

Weather in Portugal in December

Weather in Portugal, December
In December, Portugal sees average highs of 15.9°C (61°F) and lows of 10.5°C (51°F), with around 110 mm of rain.

Portugal — December

Portugal December
Daytime high
15.9°C (61°F)
Overnight low
10.5°C (51°F)
Rainfall
110 mm
Best-time rank
Off-peak

How December compares

Portugal, December vs. the annual average (2025)
This month15.9°C (61°F) / 10.5°C (51°F) · 110 mm
Yearly average21.8°C (71°F) / 13.8°C (57°F) · 56 mm

December in Portugal runs 5.9°C (10.6°F) cooler than the yearly average, and is wetter than the yearly average. Pack a warm jacket for cooler conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Portugal in December?

Average highs of 15.9°C (61°F) and lows of 10.5°C (51°F), with around 110 mm of rain.

Is December a good time to visit Portugal?

It is an off-peak month for comfort in Portugal; May, June, September tend to be more pleasant.

Updated climate normals, 2025