December weather forecast
Guarda, Portugal

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Weather in December

December marks the full bloom of the winter season in Guarda with the coldest temperatures and most considerable snowfall. Compared to November, there is a significant drop in temperature, reduced daylight hours, and increased snowfall, creating a conventional winter atmosphere. The escalated snowfall in December is conspicuous, with a marked increase to 32mm (1.26") over 1.7 days. The arrival of snow and the drop-in temperature blend to form an exquisite winter, making December a magical month in Guarda. Despite the cold, the city’s charm under a blanket of snow is an appeal to many visitors during this time.

Temperature

December's presence marks an average high-temperature of a chilly 9.6°C (49.3°F), subtly varied from November's 11.7°C (53.1°F). In December, Guarda encounters an average low-temperature of 3.1°C (37.6°F) during the night.

Humidity

In Guarda, the average relative humidity in December is 82%.

Rainfall

December is the month with the most rainfall in Guarda. Rain falls for 9.8 days and accumulates 65mm (2.56") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Guarda. In Guarda, during December, snow falls for 1.7 days and regularly aggregates up to 32mm (1.26") of snow. In Guarda, Portugal, during the entire year, snow falls for 13 days and aggregates up to 161mm (6.34") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 07:33 and sunset at 17:02. On the last day of the month, sunrise is at 07:52 and sunset at 17:12 WET.

Sunshine

The average sunshine in December in Guarda is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

What is the usual temperature for Guarda in December?

Guarda in December has an average high-temperature of 9.6°C (49.3°F) and an average low-temperature of 3.1°C (37.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 30°C (86°F).

What is the average humidity in December in Guarda?

The average relative humidity in December in Guarda, Portugal, is 82%.

What is the rainiest month in Guarda?

The month with the most rainfall is December, when the rain falls for 9.8 days and typically aggregates up to 65mm (2.56") of precipitation.

How much does it rain in Guarda in December?

In Guarda, Portugal, in December, it is raining for 9.8 days, with typically 65mm (2.56") of accumulated precipitation.

How much does it snow in Guarda in December?

In Guarda, Portugal, in December, during 1.7 snowfall days, 32mm (1.26") of snow is typically accumulated.

What is the month with the shortest days in Guarda?

December has the shortest days of the year in Guarda, Portugal, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Guarda?

In Guarda, Portugal, the average day length in December is 9h and 20min.

When are sunrise and sunset in December in Guarda?

In December, on the first day of the month, sunrise is at 07:33 and sunset at 17:02. On the last day of the month, in Guarda, Portugal, sunrise is at 07:52 and sunset at 17:12 WET.

How long on average sun shines in December in Guarda?

In December, the average sunshine duration in Guarda, Portugal, is 5h.

When is the lowest UV index in Guarda?

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

What is the UV index reading in December in Guarda?

The average daily maximum UV index in December in Guarda is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Guarda, Portugal

Average temperature in December - Guarda, Portugal
  • Average high temperature in December: 9.6°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in December: 3.1°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

Average pressure in December
Guarda, Portugal

Average pressure in December - Guarda, Portugal
  • Average pressure in December: 1023.1mbar

The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in December
Guarda, Portugal

Average wind speed in December - Guarda, Portugal
  • Average wind speed in December: 11.3km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

Average humidity in December
Guarda, Portugal

Average humidity in December - Guarda, Portugal
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (50%).

Average rainfall in December
Guarda, Portugal

Average rainfall in December - Guarda, Portugal
  • Average rainfall in December: 65mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in December
Guarda, Portugal

Average rainfall days in December - Guarda, Portugal
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (2.7 days).

Average snowfall in December
Guarda, Portugal

Average snowfall in December - Guarda, Portugal
  • Average snowfall in December: 32mm

The months with the highest snowfall are January and February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Guarda, Portugal

Average snowfall days in December - Guarda, Portugal
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Guarda, Portugal
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h 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: 4h and 18min).

Average sunshine days in December
Guarda, Portugal

Average sunshine days in December - Guarda, Portugal
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is April (12.5 days).

Average UV index in December
Guarda, Portugal

Average UV index in December - Guarda, Portugal
  • Average UV index in December: 2

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

Average cloud cover in December
Guarda, Portugal

Average cloud cover in December - Guarda, Portugal
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in December
Guarda, Portugal

Average visibility in December - Guarda, Portugal
  • Average visibility in December: 8km

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

Guarda, Portugal

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