Portugal Weather in December: Temperature, Precipitation, Wind

Updated on: March 1, 2024 Author: Anna Feierabend

Temperature

11.5°C

52.8°F

High temperature

14.9°C

58.8°F

Low temperature

8.6°C

47.4°F

Feels like

11.1°C

52°F

Rainy days

13 days

Rainfall level

1.03mm

0.04 inch

Cloud coverage

42.4%

Wind speed

18.1km/h

11.2mph

Daylight time

9:30:34

UV index

3.3

11.5°C

53.0°F

11.5°C

53.0°F

9.8°C

50.0°F

13.8°C

57.0°F

9.6°C

49.0°F

11.2°C

52.0°F

14.5°C

58.0°F

15.0°C

59.0°F

16.6°C

62.0°F

16.3°C

61.0°F

15.1°C

59.0°F

17.0°C

63.0°F

13.5°C

56.0°F

11.6°C

53.0°F

11.1°C

52.0°F

11.2°C

52.0°F

9.7°C

49.0°F

8.4°C

47.0°F

8.3°C

47.0°F

13.2°C

56.0°F

11.7°C

53.0°F

11.0°C

52.0°F

9.5°C

49.0°F

8.2°C

47.0°F

8.5°C

47.0°F

9.8°C

50.0°F

7.7°C

46.0°F

10.0°C

50.0°F

10.2°C

50.0°F

10.5°C

51.0°F

11.7°C

53.0°F

In December, Portugal experiences mild and wet weather conditions. The average temperature in Portugal during December is around 11.5°C (52.7°F), with highs of 14.9°C (58.8°F) and lows of 8.6°C (47.5°F). The average feels-like temperature is 11.1°C (52°F).

Detailed weather report for Portugal in December

Humidity levels are relatively high, with an average of 87.5%. Portugal receives an average of 1.03 inches of precipitation, with a 41.9% chance of rain. The country is likely to have 13 days of rainy weather in December, with occasional gusty winds reaching an average speed of 18.1 km/h (11.2 mph) and gusts up to 34.1 km/h (21.2 mph). The average atmospheric pressure is 1024.5 mb, and there is an average cloud cover of 42.4%. The average visibility is 9.6 km (6 miles), and the average UV index is 3.3. There is no significant risk of severe weather conditions. The most common precipitation type is rain. Portugal has an average sunrise time of 7:46 am and an average sunset time of 5:17 pm.

What is the temperature in Portugal in December?

Average air temperature in Portugal is 11.5°C (52.8°F) in December. The outside temperature in Portugal feels like 11.1°C (52°F) on a typical December day. The highest average temperature during sunny days is 14.9°C (58.8°F) and feels like 14.9°C (58.8°F). The lowest average temperature after dark is 8.6°C (47.4°F) which feels like 7.5°C (45.5°F).

How hot is Portugal in December?

The hot temperature in December in Portugal rises to 19.6°C (67.3°F) on sunny days with low cloud coverage and 87.5% humidity. During hottest days of December it feels like 19.6 °C (67.3°F). The average maximum temp in Portugal is 14.9°C (67.3°F) during day time in December.

How cold is Portugal in December?

The coldest temp in Portugal in December drops to 3°C (37.4°F) during the cold nights. With 18.1km/h (11.2mph) winds and 87.5% humidity it feels like 2.4°C (36.3°F) on the coldest nights. The average minimum temperature is 8.6°C (47.4°F) during night time in December.

Does it rain in Portugal in December?

Yes, it rains for 13 days in Portugal in December averaging 1.03 mm of precipitation. Portugal has a 41.9% chance for rain throughout the entire month of December.

How much does it rain in Portugal throughout December?

Portugal has 1.03 mm (0.04 inch) of rain per day on average in December. It rains for an average of 13 days out of the entire month.

Is Portugal windy in December?

The average speed of wind in Portugal during December is 18.1km/h (11.2mph) and average windgust is 34.1km/h (21.2mph). On some days in December wind can reach up to 33.8km/h (21mph).

What is the direction of the wind in Portugal in December?

Most days of December the wind is blowing from South-Southeast direction in Portugal.

What are the humidity levels in Portugal in December?

The average humidity levels in Portugal in December are 87.5%. Daily humidity levels in Portugal range from 73.9% to 97% during December.

How many hours of daylight are in Portugal in December?

Portugal has 9 hours 30 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Portugal in December is at 7:46:58 and the sunset is at 17:17:32.

What is the cloud coverage in Portugal in December?

Clouds cover 42.4% of the sky on average throughout December in Portugal. The cloud coverage ranges from 0% to 88.8% depending on the day of the month.

What is the UV level in December in Portugal?

The average UV index in Portugal is 3.3 in December. UV levels change throughout the month and range from 0 to 5.

What is the solar radiation in Portugal in December?

The average solar radiation is 66.5 W/m2 (Watts per square meter) in Portugal during December. However solar radiation levels change throughout the month and range from 0 W/m2 to 114.4 W/m2.

What is the solar energy during December in Portugal?

The average solar energy during December in Portugal is 5.7 MJ/m2 (megajoules per square metre). Solar energy ranges from 0 MJ/m2, to 9.8 MJ/m2 during December.

Are there severe weather risks in Portugal in December?

Yes, there is a % risk for severe weather in Portugal in December.

What is the air pressure in Portugal in December?

On average the air pressure in Portugal in December is 1024.5 mb (millibars). Throughout the month the sea level pressure ranges from 1008.6 mb to 1034.7 mb.

What is the visibility in Portugal in December?

The average daylight visibility in Portugal in December is 9.6 km (5.9 miles). Depending on the precipitation the visibility ranges from 5.6 km (3.5 miles) to 10.5 km (6.5 miles) throughout December.

What is the dew point in Portugal in December?

The average dew point in Portugal during December is 9.4°C (49°F).

Where is the data for Portugal climate in December coming from?

The climate data for Portugal in December is collected from the following weather stations.

SINTRA, PO
MONTIJO, PO
LISBOA, PO
DW7126 Lourinha PT
LPPT