Normal weather for Lisbon 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.
In December, there is an average of 83 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Lisbon in December |
New York | ||
|---|---|---|---|
 Average Temperature |
16°C | 9°C | |
 High Temp |
18°C | 12°C | |
| Low Temp |
15°C | 4°C | |
 Total Precipitation |
83 mm | 133 mm | |
| Rainy Days |
11 days | 17 days | |
Start of December
The month of December starts in Lisbon with cool temps, averaging around 17°C during the day and nights around 11°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid December
By mid-December, daytime temps stay steady at around 17°C, with nights around 11°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
Since it cools down at night, it’s a good idea to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
End of December
By the end of December, the average daytime temperature in Lisbon is around 16°C, while nighttime temps are about 10°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
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Water temperature
The water temperature at Lisbon is 18°C this month. You can swim, but it's a bit chilly.
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? December isn’t a good month to be in Lisbon. The temperatures are too low for a warm stay this month.
Temperature records for Lisbon in December
Check out the climate of Lisbon for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Albufeira, Madeira, or explore other destinations in Portugal.
November
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Daily Temperature in December in Lisbon
This chart shows the average daily high and low temperatures in December for Lisbon, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Lisbon
The chart below shows the average daily precipitation in December for Lisbon, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 11 days of precipitation 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 few years.
Total Precipitation in December in Lisbon Over the Years
This chart shows the average precipitation in December in Lisbon, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in December for Lisbon
Click on any day in December to get detailed info about the usual 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
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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.
