December weather forecast
Pedralva, Portugal

December

Weather in December

December, the first month of the winter in Pedralva, is still a mild month, with temperature in the range of an average high of 13°C (55.4°F) and an average low of 6.4°C (43.5°F).

Temperature

Pedralva notes an average high-temperature of a still moderate 13°C (55.4°F) in December, hardly diverging from November. Pedralva, in December, observes a steady average low-temperature of 6.4°C (43.5°F).

Humidity

The average relative humidity in December in Pedralva, Portugal, is 83%.

Rainfall

In Pedralva, in December, it is raining for 13.5 days, with typically 132mm (5.2") of accumulated precipitation. In Pedralva, during the entire year, the rain falls for 139.2 days and collects up to 919mm (36.18") of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 07:40 and sunset at 17:04. On the last day of December, sunrise is at 07:59 and sunset at 17:13 WET.

Sunshine

In Pedralva, the average sunshine in December is 5.4h.

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What are December temperatures?
The high-temperature, in December, in Pedralva, records 13°C (55.4°F), while the low-temperature is 6.4°C (43.5°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 29°C (84.2°F).
What is the average humidity in December?
The average relative humidity in December is 83%.
How much does it rain in December?
In December, the rain falls for 13.5 days. Throughout December, 132mm (5.2") of precipitation is accumulated.
When it does not snow?
In Pedralva, snow does not fall in February through December.
Does it snow in December?
In Pedralva, in December, it doesn't snow. In January, it regularly snows.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
What is the average length of the day in December?
In December, the average day length is 9h and 14min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 07:40 and sunset at 17:04. On the last day of the month, sunrise is at 07:59 and sunset at 17:13 WET.
How long on average sun shines in December?
The average sunshine duration in December is 5.4h.
When is the lowest UV index in Pedralva?
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the UV index reading in December?
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Pedralva, Portugal
  • Average high temperature in December: 13°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.8°C).

  • Average low temperature in December: 6.4°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in December
Pedralva, Portugal
  • Average pressure in December: 1022.4mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in December
Pedralva, Portugal
  • Average wind speed in December: 7.9km/h

The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).

Average humidity in December
Pedralva, Portugal
  • Average humidity in December: 83%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Pedralva, Portugal
  • Average rainfall in December: 132mm

The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).

Average rainfall days in December
Pedralva, Portugal
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).

Average snowfall in December
Pedralva, Portugal
  • Average snowfall in December: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Pedralva, Portugal
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Pedralva, Portugal
  • Average daylight in December: 9h and 1min

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 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Pedralva, Portugal
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).

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

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in December
Pedralva, Portugal
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in December
Pedralva, Portugal
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).

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