December weather forecast
Alhandra, Portugal

December

Weather in December

December, the first month of the winter in Alhandra, is still a mild month, with an average temperature varying between 15.3°C (59.5°F) and 8.5°C (47.3°F).

Temperature

Alhandra's weather, upon December's arrival, documents an average high-temperature of a moderate 15.3°C (59.5°F), nearly identical to the prior month. In December, Alhandra experiences an average nighttime temperature of 8.5°C (47.3°F).

Humidity

In Alhandra, Portugal, the average relative humidity in December is 78%.

Rainfall

In Alhandra, in December, it is raining for 9.5 days, with typically 39mm (1.54") of accumulated precipitation. In Alhandra, during the entire year, the rain falls for 97 days and collects up to 309mm (12.17") of precipitation.

Sea temperature

In Alhandra, Portugal, the average seawater temperature in December is 16.6°C (61.9°F).
Note: For most, swimming in 16.6°C (61.9°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 07:36 and sunset at 17:14. On the last day of the month, sunrise is at 07:54 and sunset at 17:23 WET.

Sunshine

In Alhandra, the average sunshine in December is 5.6h.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in December interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What is the usual temperature for Alhandra in December?
In Alhandra, in December, the average high-temperature is 15.3°C (59.5°F), and the average low-temperature is 8.5°C (47.3°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 30°C (86°F).
What is the average humidity in December in Alhandra?
The average relative humidity in December in Alhandra, Portugal, is 78%.
How much does it rain in Alhandra in December?
In Alhandra, Portugal, during December, the rain falls for 9.5 days and regularly aggregates up to 39mm (1.54") of precipitation.
How cold is the water in December in Alhandra?
In Alhandra, in December, the average water temperature is 16.6°C (61.9°F). Swimming in 16.6°C (61.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days in Alhandra?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Alhandra, Portugal.
How many hours of daylight does Alhandra have in December?
In December, the average day length in Alhandra is 9h and 29min.
What time are sunrise and sunset in December in Alhandra?
In December, on the first day of the month, sunrise is at 07:36 and sunset at 17:14. On the last day of the month, sunrise is at 07:54 and sunset at 17:23 WET.
How long on average sun shines in December in Alhandra?
In December, the average sunshine duration in Alhandra is 5.6h.
When is the lowest UV index in Alhandra?
The months with the lowest UV index in Alhandra, Portugal, are January, November and December, with an average maximum UV index of 3.
How high is the UV index in December in Alhandra?
In December, the average daily maximum UV index in Alhandra, Portugal, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Alhandra, Portugal
  • Average high temperature in December: 15.3°C

The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (14.6°C).

  • Average low temperature in December: 8.5°C

The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is February (7.7°C).

Average pressure in December
Alhandra, Portugal
  • Average pressure in December: 1022.6mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in December
Alhandra, Portugal
  • Average wind speed in December: 11.7km/h

The windiest month (with the highest average wind speed) is July (14.2km/h).
The calmest month (with the lowest average wind speed) is October (11km/h).

Average humidity in December
Alhandra, Portugal
  • Average humidity in December: 78%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Alhandra, Portugal
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in December
Alhandra, Portugal
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is April (12.8 days).
The month with the least rainy days is July (2.2 days).

Average sea temperature in December
Alhandra, Portugal
  • Average sea temperature in December: 16.6°C

The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).

Average daylight in December /
Average sunshine in December
Alhandra, Portugal
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Alhandra, Portugal
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (15.8 days).

Average UV index in December
Alhandra, Portugal
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in December
Alhandra, Portugal
  • Average cloud cover in December: 39

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Alhandra, Portugal
  • Average visibility in December: 9km

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

englishespañol中文
Share