Temperatures in December
It's cool to moderate in December in Lisbon with an average temperature of 16°C. Temperatures this month range from a low of 15°C to a high of 18°C. At night, you can expect temperatures between 9°C and 13°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Lisbon in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Lisbon with cool temperatures, averaging around 17°C during the day and nights close to 11°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature stays the same at 17°C, with nights close to 11°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of December
By the end of December, the average daytime temperature in Lisbon will be around 16°C, with nights close to 10°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Discover cheap trips to Lisbon 
Water temperature
The water temperature at Lisbon is 18°C this month. You can swim, but it's a bit on the chilly side.
Precipitation in December
In December, there is an average of 83 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 27% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Lisbon. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Lisbon in December |
London | ||
|---|---|---|---|
 Average Temperature |
16°C | 9°C | |
 High Temp |
18°C | 11°C | |
| Low Temp |
15°C | 8°C | |
 Total Precipitation |
83 mm | 67 mm | |
| Rainy Days |
8 days | 10 days | |
November
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Lisbon?
Looking for sun and warm weather? Then December isn’t the best time to be in Lisbon. The temperature is too low this month for a warm stay.
Temperature records for Lisbon in December
With 21°C, Lisbon hit the highest temperature in the last 10 years in December 2018. The lowest daytime temperature in this month was 9°C in 2014. The extreme night temperatures ranged from a low of 2°C to a high of 16°C.
Check out the climate of Lisbon for all months and discover the best travel time
Curious about the climate in other parts of Portugal? Check out the weather and climate in places like Algarve, Albufeira, Madeira, or have a look at other destinations in Portugal.
Plan your next holiday
Don’t miss the best holiday deals for Lisbon and see what our partners have for you.
Daily Temperature in December in Lisbon
This chart shows the average daily temperatures, both day and night, for each day in December in Lisbon, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Weather experiences in December in Lisbon
Good
December in Lisbon was a pleasure. It was a warm and somewha... more
Daily Precipitation in December in Lisbon
The chart below shows the average daily precipitation in December for Lisbon, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 8 days of rain in Lisbon.
Daily UV Index in December in Lisbon
This chart shows the average daily UV index in December in Lisbon, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Lisbon Over the Years
This chart shows the average temperature in December in Lisbon, measured in degrees Celsius, over the past years.
Total Precipitation in December in Lisbon Over the Years
This chart shows the average precipitation in December in Lisbon, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Lisbon
Click on a specific day in December for detailed info on the typical weather on that day in Lisbon. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Lisbon
The weather in December in Lisbon is rated 4 out of 5 stars by 1 visitor. Have you been to Lisbon? Share your weather experience to help other visitors.
Write your own review
December in Lisbon was a pleasure. It was a warm and somewhat sunny day, perfect for exploring the city. The evenings were cool. It rained sporadically.— This text is automatically translated to English
Have you been to Lisbon in December?
Share your weather experience in December in Lisbon.
Average Weather in Lisbon by Month
Click on a month below to see detailed weather info for Lisbon. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
