December weather forecast
Oliveira do Mondego, Portugal

December

Weather in December

The first month of the winter, December, is also a moderate month in Oliveira do Mondego, Portugal, with an average temperature varying between 6.5°C (43.7°F) and 14°C (57.2°F).

Temperature

Welcoming December, Oliveira do Mondego notes an average high-temperature of a still mild 14°C (57.2°F), nearly consistent with November's 15.6°C (60.1°F). During the month of December, the temperature generally drops to a low average of 6.5°C (43.7°F).

Humidity

In December, the average relative humidity in Oliveira do Mondego is 80%.

Rainfall

In Oliveira do Mondego, in December, it is raining for 11 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, in Oliveira do Mondego, there are 119.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Daylight

The month with the shortest days in Oliveira do Mondego is December, with an average of 9h and 24min of daylight.
On the first day of December in Oliveira do Mondego, sunrise is at 07:36 and sunset at 17:07. On the last day of the month, sunrise is at 07:55 and sunset at 17:16 WET.

Sunshine

The average sunshine in December in Oliveira do Mondego is 5.7h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To protect against the Sun's most potent rays, avoid direct exposure around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What are the temperatures in Oliveira do Mondego in December?
An average high-temperature, in December, in Oliveira do Mondego, is 14°C (57.2°F) and the average low-temperature is 6.5°C (43.7°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 28°C (82.4°F).
What is the average humidity in December in Oliveira do Mondego?
In Oliveira do Mondego, the average relative humidity in December is 80%.
How much does it rain in Oliveira do Mondego in December?
In Oliveira do Mondego, Portugal, during December, the rain falls for 11 days and regularly aggregates up to 70mm (2.76") of precipitation.
What is the month with the shortest days in Oliveira do Mondego?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Oliveira do Mondego.
What is the average length of the day in December in Oliveira do Mondego?
The average day length in December in Oliveira do Mondego is 9h and 22min.
What time are sunrise and sunset in December in Oliveira do Mondego?
On the first day of December in Oliveira do Mondego, sunrise is at 07:36 and sunset at 17:07. On the last day of the month, sunrise is at 07:55 and sunset at 17:16 WET.
How many hours of sunshine does Oliveira do Mondego have in December?
In Oliveira do Mondego, the average sunshine duration in December is 5.7h.
What are the months with the lowest UV index in Oliveira do Mondego?
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Oliveira do Mondego, Portugal.
What is the UV index reading in December in Oliveira do Mondego?
The average daily maximum UV index in December in Oliveira do Mondego, Portugal, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Oliveira do Mondego, Portugal
Average temperature in December
Oliveira do Mondego, Portugal
  • Average high temperature in December: 14°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 (12.9°C).

  • Average low temperature in December: 6.5°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).

Average pressure in December - Oliveira do Mondego, Portugal
Average pressure in December
Oliveira do Mondego, 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 (1015.3mbar).

Average wind speed in December - Oliveira do Mondego, Portugal
Average wind speed in December
Oliveira do Mondego, Portugal
  • Average wind speed in December: 8.4km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).

Average humidity in December - Oliveira do Mondego, Portugal
Average humidity in December
Oliveira do Mondego, Portugal
  • Average humidity in December: 80%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).

Average rainfall in December - Oliveira do Mondego, Portugal
Average rainfall in December
Oliveira do Mondego, Portugal
  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in December - Oliveira do Mondego, Portugal
Average rainfall days in December
Oliveira do Mondego, Portugal
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (2.8 days).

Average daylight in December / Average sunshine in December - Oliveira do Mondego, Portugal
Average daylight in December /
Average sunshine in December
Oliveira do Mondego, 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 24min).

  • Average sunshine in December: 5h and 4min

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 - Oliveira do Mondego, Portugal
Average sunshine days in December
Oliveira do Mondego, Portugal
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is August (27.5 days).
The months with the least sunshine days are April and November (14.3 days).

Average UV index in December - Oliveira do Mondego, Portugal
Average UV index in December
Oliveira do Mondego, Portugal
  • Average UV index in December: 3

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

Average cloud cover in December - Oliveira do Mondego, Portugal
Average cloud cover in December
Oliveira do Mondego, Portugal
  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in December - Oliveira do Mondego, Portugal
Average visibility in December
Oliveira do Mondego, Portugal
  • Average visibility in December: 9km

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

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