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Portugal Weather December
To help you choose the best time to travel, you can find climate data below on the weather in Portugal in December.
| Portugal Weather December: | Lisbon | Algarve | |
 | average daily high | +15.3°C | +17.1°C |
 | average daily low | +9.4°C | +9.3°C |
 | sea temperature | +16.5°C | +17.5°C |
 | daylight hours | 10.0h | 10.1h |
 | sunny/overcast hours | 4.6/5.4h | 5.4/4.7h |
 | average monthly precipitation | 122 mm | 116 mm |
Temperature in Portugal
The average daily maximum in December is +15.3 — +17.1°C, and the minimum +9.4 — +9.3°C.
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Sea temperature
The average monthly temperature in the Atlantic Ocean on the beaches of Lisbon in December is +16.5 degrees and on the beaches of Algarve +17.5 degrees.
The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.
Precipitation
The normal amount of precipitation for December is from 116 to 122 mm, which may ruin part of the trip.