Lisbon in December usually sees fair weather conditions, with an average daily high temperature of +59°F and roughly 11 sunny days. However, you should prepare for about 13 rainy days with an average precipitation of 122 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
December is usually the wettest month of the year in Lisbon;
Average weather
☀️
+59°F
Avg. max. temperature
+36°F
Min.
+70°F
Max.
122 mm
Total precipitation
80%
Avg. humidity
3 m/s
Avg. wind
11 ☀️
Sunny Days
6 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Lisbon has OK weather in December.
Average temperature in Lisbon in December
Here are the expected maximum, average and minimum temperatures in Lisbon for December based on the historical data.
Last Year
Historical Data
The temperature in December is +61°F on average, with a range between a maximum of +68°F during the day and a minimum of +39°F at night.
The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +59°F to +57°F.
Is Lisbon warm or cold in December?
Lisbon is typically mild in December.
Maximum temperatures go down compared to the previous month from +64°F to +59°F. The minimum temperature also goes down from +54°F to +50°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
December is one of the coolest months in Lisbon, here is the comparison with other months:
Water temperature in Lisbon in December
Water in Lisbon in December is Fresh. It varies from +60°F to +63°F, with an average of +62°F.Note that the air temperature is lower than the water temperature, averaging around +59°F.
In December, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Lisbon are reached in October, when the average sea temperature rises to +68°F. The coldest water temperatures are in March, with an average of +59°F.
Can you swim in Lisbon in December?
Water temperature (+62°F) in Lisbon in December might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.
Travel to Lisbon
Click to see more details
✈️
68
Flights per week
$698
Min. Price
$1,023
Max. Price
Airlines with direct connections:
Brussels Airlines
Air France
Lufthansa
TAP Portugal
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Climate in Lisbon in December
Lisbon weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+64°F
+59°F
+57°F
Min. temperature
+41°F
+36°F
+34°F
Max. temperature
+77°F
+70°F
+72°F
Rainfall
103 mm
122 mm
84 mm
Wind
3 m/s
3 m/s
3 m/s
Avg. water temperature
+65°F
+62°F
+60°F
Humidity
78%
80%
79%
Air pressure
1018 HPa
1021 HPa
1022 HPa
Sunny days
11
11
12
Cloudy days
6
6
7
Rainy days
12
13
12
Snowy days
0
0
0
December weather is still as ok as in November.It’s getting colder in December. From +64°F in the day, the average maximum temperature lowers to +59°F.Prepare for more rain. Average rainfall goes from 103 mm to 122 mm.Humidity rises from 78% to 80%.The average wind speed doesn’t change much during December, staying around 3 m/s.The amount of sunny days stay about the same, averaging 11 sunny days during the month.
January brings much the same weather, it remains ok.
Wind speed in Lisbon in December based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Lisbon is gradually decreasing during December, going from 4 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Lisbon based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in December stands at 48%, leading to total precipitation of around 148 mm. The maximum amount of rainfall per day is around 65 mm, which is considered heavy rain.December is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
December is one of the rainiest months in Lisbon, here is a comparison with other months, total mm:
Lisbon wettest month is December, where a typical day has a 42% chance of precipitation and 122 mm of rainfall per day. July, on the other hand, is the driest month with a mere 6% chance of precipitation and 2 mm of rainfall per day.
How was the weather last December in Lisbon?
This is the weather in Lisbon in December 2023:
1 December
☀️
+59°F
2 December
☀️
+60°F
3 December
☁️
+59°F
4 December
☀️
+62°F
5 December
🌧️
+53°F
6 December
☀️
+57°F
7 December
🌧️
+64°F
8 December
☀️
+64°F
9 December
☁️
+67°F
10 December
☁️
+65°F
11 December
☁️
+64°F
12 December
☁️
+68°F
13 December
☀️
+61°F
14 December
☀️
+60°F
15 December
☀️
+60°F
16 December
☀️
+62°F
17 December
☀️
+58°F
18 December
☀️
+57°F
19 December
☀️
+56°F
20 December
☀️
+60°F
21 December
☀️
+60°F
22 December
☀️
+63°F
23 December
☀️
+60°F
24 December
☀️
+57°F
25 December
☁️
+60°F
26 December
☁️
+61°F
27 December
☁️
+57°F
28 December
☀️
+56°F
29 December
☀️
+54°F
30 December
🌫️
+58°F
31 December
☁️
+58°F
In December 2023 Lisbon had 19 sunny days, 9 cloudy days, and 2 rainy days. The average maximum temperature was +61°F, with an absolute maximum of +68°F and a minimum of +54°F. The average humidity was 84%, with a maximum of 100% and a minimum of 60%. The average wind speed was 4 m/s, with a maximum of 22 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Lisbon climate has changed over the last 43 years.
The climate in Lisbon in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+65°F) and the highest in 2017 (+72°F). The driest year was 1992 with only 298 mm of rainfall, and the wettest year was 2022 with 2338 mm.
FAQ
Frequently asked questions about the weather in Lisbon in December:
Is December a good time to visit Lisbon?
It’s always a good time to visit Lisbon, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Lisbon in December?
December has mild temperatures in Lisbon. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Lisbon in December?
In general, you can swim in Lisbon in December, if you want to, at an average water temperature of +62°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.
Is Lisbon rainy in December?
Lisbon is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Lisbon in December?
The amount of sunny days in Lisbon during December varies; prepare for a mix of clouds and sun.
How much does it cost to fly to Lisbon in December?
The normal prices to fly to Lisbon is $698 - $1,023. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.
Other cities in Portugal
Check out the weather for other cities in Portugal.
For this page, we’ve looked at the typical weather in Lisbon, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
