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Lisbon Weather in December
December in Lisbon sees daytime temperatures around 16°C (61°F) and lows of 10°C (50°F) at night. With around 81 mm (3.2 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Lisbon in December
Historically, December sees about 14 days of rain, with a monthly average of 81 mm (3.2 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Lisbon in December
December in Lisbon brings typical temperatures with highs around 16°C (61°F) and lows of 10°C (50°F). December is part of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Lisbon in December
With about 141 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.December in Lisbon has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Lisbon Temperature in December
Min Temperature
10°C (50°F)
Max Temperature
16°C (61°F)
Chance of Rain
46%
Precipitation
81 mm (3.2 in)
Rainy days
14 days
Sunshine
141 hours
Percentage Sunshine
57%
Lisbon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lisbon - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lisbon typically stay consistent throughout December, with daily highs averaging around 16°C (61°F). Nights are cool, with lows around 10°C (50°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Lisbon in December
Browse day-by-day weather records for Lisbon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lisbon historical weather extremes in December
Based on 49 years of weather observations in Lisbon between 1976 and 2025, these are the recorded extremes.
- On December 2, 1985, temperatures climbed to 23°C (73°F), marking the warmest December day on record.
- Lisbon experienced its chilliest December day on December 25, 2010, reaching only 8°C (46°F).
- Lisbon registered its coldest December night on December 14, 1985, with temperatures dropping to 1°C (34°F).
Best Places in Portugal in December
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lisbon in December
For Lisbon in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Lisbon in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports9/10
Lisbon 3-Day Forecast
More climate data for Lisbon
See the full Lisbon climate overview or explore weather in Portugal.
Popular in December
Where to go in December - average daytime high across popular destinations.
Portimão
17°C (63°F) Albufeira17°C (63°F) Lagos17°C (63°F) Ericeira16°C (61°F) Cascais17°C (63°F) Vilamoura17°C (63°F) Lisbon16°C (61°F) Porto
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