Temperatures in December
It's hot in December in Portugal with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 33°C. At night, you can expect temperatures between 16°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Portugal 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 Portugal with hot temperatures, averaging around 31°C during the day and nights close to 17°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-December
By mid-December, the average daytime temperature drops to around 30°C, with nights close to 18°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of December
By the end of December, the average daytime temperature in Portugal will be around 31°C, with nights close to 18°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in December
In December, there is an average of 91 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 Portugal. 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.
Portugal in December |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 9°C | |
 High Temp |
33°C | 11°C | |
| Low Temp |
28°C | 8°C | |
 Total Precipitation |
91 mm | 67 mm | |
| Rainy Days |
8 days | 10 days | |
November
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Portugal?
December is a great month to be in Portugal for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Portugal in December
With 39°C, Portugal hit the highest temperature in the last 10 years in December 2019. The lowest daytime temperature in this month was 17°C in 2019. The extreme night temperatures ranged from a low of 11°C to a high of 23°C.
Check out the climate of Portugal for all months and discover the best travel time
Curious about the climate in other parts of South Africa? Check out the weather and climate in places like Cape Town, Krugerpark, Johannesburg, or have a look at other destinations in South Africa.
Daily Temperature in December in Portugal
This chart shows the average daily temperatures, both day and night, for each day in December in Portugal, 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.
Daily Precipitation in December in Portugal
The chart below shows the average daily precipitation in December for Portugal, 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 Portugal.
Daily UV Index in December in Portugal
This chart shows the average daily UV index in December in Portugal, 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 Portugal Over the Years
This chart shows the average temperature in December in Portugal, measured in degrees Celsius, over the past years.
Total Precipitation in December in Portugal Over the Years
This chart shows the average precipitation in December in Portugal, 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 Portugal
Click on a specific day in December for detailed info on the typical weather on that day in Portugal. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Portugal
Have you been to Portugal in December?
Share your weather experience in December in Portugal.
Average Weather in Portugal by Month
Click on a month below to see detailed weather info for Portugal. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
