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Lisbon in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Lisbon in December will be like? Take a look at our weather guide for Lisbon, based on historical data.
Check flight prices to Lisbon on Avionero:
December

Weather in Lisbon in December 2024

OK Weather
Mild
☀️
Sunny
✈️
$698 - $1,023
If you plan to visit Lisbon in December, the weather is typically alright, with an average high temperature of +59°F during the day and approximately 12 sunny days. Expect some rainy, though, as there are typically 7 rainy days in the month and around 121 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in 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.
121 mm
Total precipitation
80%
Avg. humidity
3 m/s
Avg. wind
12 ☀️
Sunny Days
12 ⛅️
Cloudy
7 🌦
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 expected average maximum temperature in December is +63°F with a maximum of +66°F and a minimum of +45°F.

The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +61°F to +64°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:

Travel to Lisbon

Click to see more details
✈️
64
Flights per week
$698
Min. Price
$1,023
Max. Price

Climate in Lisbon in December

Lisbon weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
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
96 mm121 mm82 mm
Wind
2 m/s3 m/s2 m/s
Humidity
77%80%78%
Air pressure
1017 HPa1020 HPa1021 HPa
Sunny days
121213
Cloudy days
111211
Rainy days
777
Snowy days
000

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 96 mm to 121 mm. Humidity rises from 77% to 80%. Winds are stronger in comparison to November, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 12 sunny days during the month.

January brings much the same weather, it remains ok.

Wind

Wind speed in Lisbon in December based on historical data.
Last Year
Historical Data

The average wind speed is 6 m/s getting up to 13 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 increasing during December, going from 6 m/s to 9 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
Typically, there is a 74% chance of rain on an average day in December, with total rainfall of approximately 835 mm. The maximum amount of rainfall per day is around 207 mm, which is considered heavy rain. December is a pretty wet month with over 23 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 23% chance of precipitation and 121 mm of rainfall per day. July, on the other hand, is the driest month with a mere 0% 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
☀️
+61°F
2 December
☀️
+59°F
3 December
☀️
+56°F
4 December
🌫️
+57°F
5 December
🌧️
+62°F
6 December
☀️
+61°F
7 December
🌫️
+60°F
8 December
🌧️
+65°F
9 December
🌧️
+64°F
10 December
🌧️
+60°F
11 December
🌧️
+66°F
12 December
🌧️
+66°F
13 December
🌧️
+66°F
14 December
🌧️
+63°F
15 December
☀️
+61°F
16 December
☁️
+62°F
17 December
☀️
+63°F
18 December
☁️
+62°F
19 December
☁️
+64°F
20 December
🌧️
+66°F
21 December
☁️
+66°F
22 December
☁️
+65°F
23 December
☁️
+65°F
24 December
☁️
+66°F
25 December
🌧️
+63°F
26 December
🌧️
+67°F
27 December
🌫️
+65°F
28 December
🌫️
+63°F
29 December
☁️
+64°F
30 December
☁️
+64°F
31 December
☀️
+64°F
In December 2023 Lisbon had 7 sunny days, 9 cloudy days, and 11 rainy days. The average maximum temperature was +63°F, with an absolute maximum of +66°F and a minimum of +55°F. The average humidity was 82%, with a maximum of 97% and a minimum of 62%. The average wind speed was 6 m/s, with a maximum of 28 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 1982 (+58°F) and the highest in 2022 (+66°F). The driest year was 1980 with only 2 mm of rainfall, and the wettest year was 2022 with 1020 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!

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.

Monthly weather in Lisbon

Source of the data

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, 2022.

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.