December weather forecast and climate
Monteiros, Portugal

Weather in December

December, the first month of the winter, in Monteiros, is also a frosty month, with average temperature varying between 2.5°C (36.5°F) and 9.8°C (49.6°F).

Temperature

In December, the average high-temperature is essentially the same as in November - a frosty 9.8°C (49.6°F). In Monteiros, the average low-temperature is 2.5°C (36.5°F).

Humidity

In December, the average relative humidity is 86%.

Rainfall

The month with the most rainfall is December when the rain falls for 12.4 days and typically aggregates up to 72mm (2.83") of precipitation.

Snowfall

March through December are months without snowfall in Monteiros.

Daylight

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

Sunshine

In Monteiros, the average sunshine is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Monteiros, Portugal. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Monteiros?

The average high-temperature, in December, in Monteiros, Portugal, is 9.8°C (49.6°F), while the average low-temperature is 2.5°C (36.5°F).

What is the average humidity in December in Monteiros?

In December, the average relative humidity in Monteiros is 86%.

How much does it rain in Monteiros in December?

In Monteiros, Portugal, in December, during 12.4 rainfall days, 72mm (2.83") of precipitation is typically accumulated.

What is the rainiest month in Monteiros?

December is the month with the most rainfall in Monteiros, Portugal. Rain falls for 12.4 days and accumulates 72mm (2.83") of precipitation.

Does it snow in Monteiros in December?

In Monteiros, Portugal, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Monteiros?

In Monteiros, Portugal, snow does not fall in March through December.

What is the month with the shortest days in Monteiros?

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

How many hours of daylight does Monteiros have in December?

In December, the average length of the day in Monteiros, Portugal, is 9.2h.

How long on average sun shines in December in Monteiros?

In December, the average sunshine is 4.9h.

What are the months with the lowest UV index in Monteiros?

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

What is the UV index intensity in December in Monteiros?

The average daily maximum UV index in December in Monteiros is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Monteiros, Portugal

Average temperature in December - Monteiros, Portugal
  • Average high temperature in December: 9.8°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 2.5°C

Months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

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Average pressure in December
Monteiros, Portugal

Average pressure in December - Monteiros, 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).

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Average wind speed in December
Monteiros, Portugal

Average wind speed in December - Monteiros, Portugal
  • Average wind speed in December: 6.7km/h

The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are September and October (6.5km/h).

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Average humidity in December
Monteiros, Portugal

Average humidity in December - Monteiros, Portugal
  • Average humidity in December: 86%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in December
Monteiros, Portugal

Average rainfall in December - Monteiros, Portugal
  • Average rainfall in December: 72mm

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).

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Average rainfall days in December
Monteiros, Portugal

Average rainfall days in December - Monteiros, Portugal
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).

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Average snowfall in December
Monteiros, Portugal

Average snowfall in December - Monteiros, Portugal
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (5mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in December
Monteiros, Portugal

Average snowfall days in December - Monteiros, Portugal
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Monteiros, 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: 4.9h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days in December
Monteiros, Portugal

Average sunshine days in December - Monteiros, Portugal
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).

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Average UV index in December
Monteiros, Portugal

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

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

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Average cloud cover in December
Monteiros, Portugal

Average cloud cover in December - Monteiros, Portugal
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Monteiros, Portugal

Average visibility in December - Monteiros, Portugal
  • Average visibility in December: 7km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).

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