Will I be cold?
Will I be cold in Porto in December?
Verdict
Maybe — Chilly at times.
Lows near 46°F — cool mornings and evenings, comfortable afternoons.
Day vs. night
Day
58°F
Cool
Sweater weather with the option to add a light shell.
Night
46°F
Cool
You'll want a warm layer after sunset — not a heavy coat.
Why
Porto in December averages highs of 58°F, lows of 46°F, 13 rainy days.
Layering wins here. A packable puffer plus a base layer handles the cool end without overheating in the middle of the day.
See a full outfit plan for chilly evenings →
Porto in December outfit ideas from ForecastStyle.
Nearby months
Packing pointers
Best shoes
Boots & insulated picks for Porto in December →