December weather forecastSendas, Portugal

December

Weather in December

December, the first month of the winter in Sendas, is still a chilly month, with an average temperature varying between 2°C (35.6°F) and 8.9°C (48°F).

Temperature

The onset of December notes an average high-temperature of a frosty 8.9°C (48°F), subtly shifted from November's 11°C (51.8°F). Sendas encounters a steady low-temperature average of 2°C (35.6°F) throughout the month of December.

Humidity

In Sendas, the average relative humidity in December is 84%.

Rainfall

In Sendas, in December, it is raining for 12.7 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, there are 141.7 rainfall days, and 532mm (20.94") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Sendas. In Sendas, in December, during 1 snowfall days, 13mm (0.51") of snow is typically accumulated. In Sendas, during the entire year, snow falls for 6.4 days and aggregates up to 51mm (2.01") of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Sendas.
On the first day of December, sunrise is at 07:35 and sunset at 16:58. On the last day of the month, sunrise is at 07:53 and sunset at 17:07 WET.

Sunshine

In Sendas, the average sunshine in December is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sendas. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

In December, the average high-temperature and low-temperature in Sendas are 8.9°C (48°F) and 2°C (35.6°F) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 29°C (84.2°F).

The average relative humidity in December in Sendas is 84%.

In Sendas, in December, it is raining for 12.7 days, with typically 70mm (2.76") of accumulated precipitation.

In December, in Sendas, Portugal, it is snowing for 1 days. Throughout December, 13mm (0.51") of snow is accumulated.

December has the shortest days of the year in Sendas, Portugal, with an average of 9h and 12min of daylight.

In Sendas, the average day length in December is 9h and 13min.

In December, on the first day of the month, sunrise is at 07:35 and sunset at 16:58. On the last day of the month, sunrise is at 07:53 and sunset at 17:07 WET.

In December, the average sunshine duration is 5.1h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sendas, Portugal.

In Sendas, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sendas, Portugal

  • Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 2°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

Average pressure in December
Sendas, Portugal

  • Average pressure in December: 1022.9mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December
Sendas, Portugal

  • Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).

Average humidity in December
Sendas, Portugal

  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

Average rainfall in December
Sendas, Portugal

  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in December
Sendas, Portugal

  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

Average snowfall in December
Sendas, Portugal

  • Average snowfall in December: 13mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Sendas, Portugal

  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Sendas, Portugal

  • Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Sendas, Portugal

  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

Average UV index in December
Sendas, Portugal

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Sendas, Portugal

  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in December
Sendas, Portugal

  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).