Daytime highs, nighttime lows and the warmest cities across Portugal this December.
Portugal, experiences maximum daytime temperatures in December ranging from 9°C (48°F) in Montezinho to 22°C (72°F) in Santa Maria. Nighttime temperatures generally drop to 19°C (66°F) in Santa Maria and 2°C (36°F) in Montezinho. December is a winter month.
Discover the typical December temperatures for the most popular locations of Portugal on the map below. Detailed insights are just a click away.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Portugal.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Drill down to December weather for any region in Portugal.
Pick a city to see its December weather averages.
Daytime temperatures in Lisbon typically peak at 16°C (61°F) in December, putting it in the moderate range.
Nighttime temperatures in Lisbon typically drop to around 10°C (50°F) in December.
Based on our systematic data collection, Santa Maria has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 22°C (72°F), while at night it goes down to an approximate temperature of 19°C (66°F).
Our database indicates that in December, Montezinho is the city with the coolest temperatures in Portugal. You can expect daytime highs of 9°C (48°F) and nighttime lows close to 2°C (36°F).
Most areas experience a moderate amount of sunshine, with approximately 141 hours of sunlight expected in Lisbon. This makes it neither too gloomy nor overly bright.
The water temperature averages approximately 19°C (66°F) in Ponta Delgada this month, so still a bit cool to swim, though some enjoy a chilly dive.
We have much more information about the climate in Portugal.
Weather and climate has detailed information for every country in the world. Are you going to Portugal? Get detailed historical weather averages for many cities in Portugal.
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