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PortugalThe weather in December in Alentejo
It's cool in December in Alentejo with an average temperature of 12°C. Temperatures this month range from a low of 11°C to a high of 13°C. At night, you can expect temperatures between 4°C and 8°C.
Looking for sun? December isn’t a good month to be in Alentejo. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Alentejo, Portugal. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 19°C in 2021, Alentejo reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 2°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 13°C.
Precipitation and snowfall
In December, there is an average of 172 mm of precipitation, spread over 17 days. Of the total precipitation, about 0,1 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in December for Alentejo
Click on any day in December to get detailed info about the usual weather on that day in Alentejo. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Alentejo | New York | |
|---|---|---|
| Average temperature | 12°C | 9°C |
| Max. temperature | 13°C | 12°C |
| Min. temperature | 4°C | -5°C |
| Total precipitation | 172 mm | 133 mm |
| Rainy days | 17 days | 17 days |
| Total snowfall | 0,1 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Alentejo with cool temps, averaging around 12°C during the day and nights around 6°C.
Mid December
By mid-December, daytime temps stay steady at around 12°C, with nights around 6°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Alentejo is around 12°C, while nighttime temps are about 7°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Alentejo 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, Lisbon, Albufeira, or explore other destinations in Portugal.
Temperature charts
These charts show the average temperatures in December in Alentejo, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Alentejo
Temperature in December in Alentejo over the years
Precipitation charts
These charts show the average amount of precipitation in December in Alentejo, Portugal. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Alentejo
Total precipitation in December in Alentejo over the years
Daily Snowfall in December in Alentejo
Snowfall in December in Alentejo per year
Daily UV index in December in Alentejo
This chart shows the average daily UV index in December in Alentejo, 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.
Weather experiences in December in Alentejo
The weather in December in Alentejo is rated 4 out of 5 stars by 1 visitor. Have you been to Alentejo? Share your weather experience to help other visitors.
Write your own review
Although it was not usually sunny in the Mediterranean, there were quite long hours of sunshine. The temperature was often around 15 degrees, so not very cold. Be prepared for occasional rain!— This text is automatically translated to English
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Average weather in Alentejo by month
Click on a month below to see detailed weather info for Alentejo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.