When to go · December
Portugal in December
Workable but with caveats
Daytime high
15°C
59°F
Overnight low
9°C
48°F
Rainfall
100 mm
moderate
Crowd levels
low
quiet
Prices
low
value window
What to expect in Portugal in December
December brings mild weather to Portugal, with daytime highs around 15°C (59°F) and overnight lows near 9°C (48°F). Skies are typically moderately wet, with about 100 mm of rainfall on average.
December is a quiet stretch — most attractions are easy to access and you'll often have spaces to yourself. It's one of the best-value windows of the year for both flights and hotels. Peak season runs July–August, for context.
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Live fares for Portugal in December
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Portugal in other months
Where else is good to go in December
Japan in December
12°C high · medium crowds · good
Thailand in December
31°C high · high crowds · great
France in December
8°C high · medium crowds · good
Morocco in December
18°C high · low crowds · good
Mexico in December
21°C high · high crowds · great
Costa Rica in December
24°C high · high crowds · great
Australia in December
25°C high · high crowds · good
New Zealand in December
21°C high · high crowds · great