South AfricaAverage weather for Portugal 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.
Start of December
The month of December starts in Portugal with hot temps, averaging around 31°C during the day and nights around 17°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid December
By mid-December, daytime temps drop to around 30°C, with nights around 18°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers.
End of December
By the end of December, the average daytime temperature in Portugal is around 31°C, while nighttime temps are about 18°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.
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.
Portugal in December |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 9°C | |
 Max. temperature |
33°C | 12°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
91 mm | 133 mm | |
| Rainy days |
8 days | 17 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 good month to be in Portugal for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records
With 39°C in 2019, Portugal reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 17°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 23°C.
Check out the climate of Portugal for all months and discover the best travel time
Curious about the weather in other parts of South Africa? Check out the climate and weather for spots like Cape Town, Krugerpark, Johannesburg, or explore other destinations in South Africa.
Daily Temperature in December in Portugal
This chart shows the average daily high and low temperatures in December for Portugal, 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 Portugal
The chart below shows the average daily precipitation in December for Portugal, 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 8 days of precipitation 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 few years.
Total precipitation in December in Portugal over the years
This chart shows the average precipitation in December in Portugal, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Portugal
Click on any day in December to get detailed info about the usual 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.
