December weather forecast and climate
Monte Maior, Portugal

Weather in December

December, the first month of the winter, in Monte Maior, is also a moderate month, with average temperature varying between 7.3°C (45.1°F) and 13.1°C (55.6°F).

Temperature

In Monte Maior, the average high-temperature is relatively the same as in November - a still mild 13.1°C (55.6°F). In December, the average low-temperature is 7.3°C (45.1°F).

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Monte Maior, in December, during 13.5 rainfall days, 121mm (4.76") of precipitation is typically accumulated. Throughout the year, there are 144.4 rainfall days, and 918mm (36.14") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Monte Maior, with an average of 9.2h of daylight.

Sunshine

The average sunshine in Monte Maior, Portugal, is 5.3h.

UV index

Months with the lowest UV index in Monte Maior, Portugal, are January through April, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in December in Monte Maior?

In December, in Monte Maior, Portugal, the average high-temperature is 13.1°C (55.6°F), and the average low-temperature is 7.3°C (45.1°F).

What is the average humidity in December in Monte Maior?

In Monte Maior, the average relative humidity in December is 83%.

How much does it rain in Monte Maior in December?

In Monte Maior, Portugal, in December, during 13.5 rainfall days, 121mm (4.76") of precipitation is typically accumulated.

What is the month with the shortest days in Monte Maior?

The month with the shortest days is December, with an average of 9.2h of daylight.

What is the average length of the day in December in Monte Maior?

The average length of the day in December in Monte Maior, Portugal, is 9.2h.

How many hours of sunshine does Monte Maior have in December?

In December, the average sunshine in Monte Maior is 5.3h.

What is the month with the lowest UV index in Monte Maior?

Months with the lowest UV index in Monte Maior, Portugal, are January through April, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Monte Maior?

In December, the average daily maximum UV index in Monte Maior, Portugal, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in December
Monte Maior, Portugal

Average temperature in December - Monte Maior, Portugal
  • Average high temperature in December: 13.1°C

The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in December: 7.3°C

The month with the highest average low temperature is July (14.7°C).
The coldest month (with the lowest average low temperature) is February (5.7°C).

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Average pressure in December
Monte Maior, Portugal

Average pressure in December - Monte Maior, Portugal
  • Average pressure in December: 1022.3mbar

The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in December
Monte Maior, Portugal

Average wind speed in December - Monte Maior, Portugal
  • Average wind speed in December: 9km/h

The windiest month (with the highest average wind speed) is February (9.4km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).

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Average humidity in December
Monte Maior, Portugal

Average humidity in December - Monte Maior, Portugal
  • Average humidity in December: 83%

The month with the highest relative humidity is January (85%).
Months with the lowest relative humidity are August and September (67%).

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Average rainfall in December
Monte Maior, Portugal

Average rainfall in December - Monte Maior, Portugal
  • Average rainfall in December: 121mm

The wettest month (with the highest rainfall) is November (139mm).
The driest month (with the least rainfall) is July (12mm).

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Average rainfall days in December
Monte Maior, Portugal

Average rainfall days in December - Monte Maior, Portugal
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is August (5.3 days).

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Average daylight in December /
Average sunshine in December
Monte Maior, Portugal

Average daylight in December / Average sunshine in December - Monte Maior, Portugal
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5.3h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 4.8h).

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Average sunshine days in December
Monte Maior, Portugal

Average sunshine days in December - Monte Maior, Portugal
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (12.2 days).

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Average UV index in December
Monte Maior, Portugal

Average UV index in December - Monte Maior, Portugal
  • Average UV index in December: 3

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

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Average cloud cover in December
Monte Maior, Portugal

Average cloud cover in December - Monte Maior, Portugal
  • Average cloud cover in December: 43

The month with the most cloud cover is January (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 23).

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Average visibility in December
Monte Maior, Portugal

Average visibility in December - Monte Maior, Portugal
  • Average visibility in December: 8km

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

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