December weather forecast
Alfundão, Portugal

December

Weather in December

The first month of the winter, December, is also a moderate month in Alfundão, Portugal, with an average temperature ranging between max 15.5°C (59.9°F) and min 7.1°C (44.8°F).

Temperature

Alfundão registers an average high-temperature of a moderate 15.5°C (59.9°F) at the commencement of December, closely related to the preceding month. The temperature lowers to an average of 7.1°C (44.8°F) during December nights.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Alfundão, during December, the rain falls for 5.5 days and regularly aggregates up to 11mm (0.43") of precipitation. In Alfundão, during the entire year, the rain falls for 65.2 days and collects up to 110mm (4.33") of precipitation.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 07:30 and sunset at 17:12. On the last day of December, in Alfundão, sunrise is at 07:48 and sunset at 17:22 WET.

Sunshine

In Alfundão, the average sunshine in December is 6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 3 during December translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What are the temperatures in December?
In Alfundão, 15.5°C (59.9°F) is the average high-temperature and 7.1°C (44.8°F) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in September is estimated at 33°C (91.4°F).
What is the average humidity in December?
In December, the average relative humidity is 77%.
How much does it rain in December?
In December, the rain falls for 5.5 days. Throughout December, 11mm (0.43") of precipitation is accumulated.
What is the month with the shortest days in Alfundão?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
How many hours of daylight does Alfundão have in December?
The average day length in December is 9h and 34min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 07:30 and sunset at 17:12. On the last day of the month, sunrise is at 07:48 and sunset at 17:22 WET.
How long on average sun shines in December?
In Alfundão, the average sunshine duration in December is 6h.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
How high is the UV index in December?
In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Alfundão, Portugal
Average temperature in December
Alfundão, Portugal
  • Average high temperature in December: 15.5°C

The warmest month (with the highest average high temperature) is August (34.7°C).
The month with the lowest average high temperature is January (14.4°C).

  • Average low temperature in December: 7.1°C

The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

Average pressure in December - Alfundão, Portugal
Average pressure in December
Alfundão, Portugal
  • Average pressure in December: 1022.7mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December - Alfundão, Portugal
Average wind speed in December
Alfundão, Portugal
  • Average wind speed in December: 10.7km/h

The windiest month (with the highest average wind speed) is July (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).

Average humidity in December - Alfundão, Portugal
Average humidity in December
Alfundão, Portugal
  • Average humidity in December: 77%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (47%).

Average rainfall in December - Alfundão, Portugal
Average rainfall in December
Alfundão, Portugal
  • Average rainfall in December: 11mm

The wettest month (with the highest rainfall) is April (20mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in December - Alfundão, Portugal
Average rainfall days in December
Alfundão, Portugal
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is April (9.7 days).
The month with the least rainy days is August (1 days).

Average daylight in December / Average sunshine in December - Alfundão, Portugal
Average daylight in December /
Average sunshine in December
Alfundão, Portugal
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December - Alfundão, Portugal
Average sunshine days in December
Alfundão, Portugal
  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (18.8 days).

Average UV index in December - Alfundão, Portugal
Average UV index in December
Alfundão, Portugal
  • Average UV index in December: 3

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December - Alfundão, Portugal
Average cloud cover in December
Alfundão, Portugal
  • Average cloud cover in December: 34

The months with the most cloud cover are January and April (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in December - Alfundão, Portugal
Average visibility in December
Alfundão, Portugal
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

englishespañol中文
Share