December weather forecast
Lomba de Égua, Portugal

December

Weather in December

December, the first month of the winter in Lomba de Égua, is still a mild month, with an average temperature varying between 7.2°C (45°F) and 14.4°C (57.9°F).

Temperature

The advent of December reveals an average high-temperature of a moderate 14.4°C (57.9°F), showing minimal difference from the prior month. Lomba de Égua's temperature lowers to a mean of 7.2°C (45°F) during the nights in December.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Lomba de Égua, in December, during 10.4 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Lomba de Égua, during the entire year, the rain falls for 103 days and collects up to 356mm (14.02") of precipitation.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:36 and sunset at 17:11. On the last day of the month, sunrise is at 07:55 and sunset at 17:20 WET.

Sunshine

In Lomba de Égua, the average sunshine in December is 5.5h.

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 reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the average December temperature?
The high-temperature during December is 14.4°C (57.9°F) and the low-temperature is 7.2°C (45°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 30°C (86°F).
What is the average humidity in December?
In Lomba de Égua, the average relative humidity in December is 79%.
How much does it rain in December?
In December, the rain falls for 10.4 days. Throughout December, 46mm (1.81") of precipitation is accumulated.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
How many hours of daylight does Lomba de Égua have in December?
The average day length in December is 9h and 25min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 07:36 and sunset at 17:11. On the last day of the month, sunrise is at 07:55 and sunset at 17:20 WET.
How long on average sun shines in December?
In December, the average sunshine duration is 5.5h.
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.
What is the UV index reading in December?
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's 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 - Lomba de Égua, Portugal
Average temperature in December
Lomba de Égua, Portugal
  • Average high temperature in December: 14.4°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (13.4°C).

  • Average low temperature in December: 7.2°C

The months with the highest average low temperature are July and August (15.2°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).

Average pressure in December - Lomba de Égua, Portugal
Average pressure in December
Lomba de Égua, 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 - Lomba de Égua, Portugal
Average wind speed in December
Lomba de Égua, Portugal
  • Average wind speed in December: 10.6km/h

The windiest month (with the highest average wind speed) is July (12.4km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).

Average humidity in December - Lomba de Égua, Portugal
Average humidity in December
Lomba de Égua, Portugal
  • Average humidity in December: 79%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December - Lomba de Égua, Portugal
Average rainfall in December
Lomba de Égua, Portugal
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is November (58mm).
The driest months (with the least rainfall) are July and August (3mm).

Average rainfall days in December - Lomba de Égua, Portugal
Average rainfall days in December
Lomba de Égua, Portugal
  • Average rainfall days in December: 10.4 days

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

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

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 24min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December - Lomba de Égua, Portugal
Average sunshine days in December
Lomba de Égua, Portugal
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is April (16.3 days).

Average UV index in December - Lomba de Égua, Portugal
Average UV index in December
Lomba de Égua, Portugal
  • Average UV index in December: 3

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

Average cloud cover in December - Lomba de Égua, Portugal
Average cloud cover in December
Lomba de Égua, Portugal
  • Average cloud cover in December: 39

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December - Lomba de Égua, Portugal
Average visibility in December
Lomba de Égua, Portugal
  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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