December weather forecast and climate
Rebordãos, Portugal

Weather in December

December, the first month of the winter, in Rebordãos, is also a frosty month, with average temperature fluctuating between 2°C (35.6°F) and 8.9°C (48°F).

Temperature

In December, the average high-temperature is essentially the same as in November - a frosty 8.9°C (48°F). In Rebordãos, in December, the average low-temperature is 2°C (35.6°F).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Rebordãos, it is raining for 12.7 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, there are 141.7 rainfall days, and 532mm (20.94") of precipitation is accumulated.

Snowfall

Months with snowfall in Rebordãos, Portugal, are January through March, November and December. In December, it is snowing for 1 days. Throughout December, 13mm (0.51") of snow is accumulated. Throughout the year, in Rebordãos, there are 6.4 snowfall days, and 51mm (2.01") of snow is accumulated.

Daylight

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

Sunshine

The average sunshine in December is 5.1h.

UV index

Months with the lowest UV index in Rebordãos are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Rebordãos?

In December, in Rebordãos, the average high-temperature is 8.9°C (48°F), and the average low-temperature is 2°C (35.6°F).

What is the average humidity in December in Rebordãos?

The average relative humidity in December is 84%.

How much does it rain in Rebordãos in December?

In December, the rain falls for 12.7 days. Throughout December, 70mm (2.76") of precipitation is accumulated.

How many days does it snow in December in Rebordãos?

In Rebordãos, in December, during 1 snowfall days, 13mm (0.51") of snow is typically accumulated.

What is the month with the shortest days in Rebordãos?

With an average of 9.2h of daylight, December has the shortest days of the year in Rebordãos.

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

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

How many hours of sunshine does Rebordãos have in December?

In Rebordãos, Portugal, the average sunshine in December is 5.1h.

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

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 intensity in December in Rebordãos?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Rebordãos, Portugal

Average temperature in December - Rebordãos, Portugal
  • Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 2°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

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Average pressure in December
Rebordãos, Portugal

Average pressure in December - Rebordãos, Portugal
  • Average pressure in December: 1022.9mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in December
Rebordãos, Portugal

Average wind speed in December - Rebordãos, Portugal
  • Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).

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Average humidity in December
Rebordãos, Portugal

Average humidity in December - Rebordãos, Portugal
  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in December
Rebordãos, Portugal

Average rainfall in December - Rebordãos, Portugal
  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

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Average rainfall days in December
Rebordãos, Portugal

Average rainfall days in December - Rebordãos, Portugal
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

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Average snowfall in December
Rebordãos, Portugal

Average snowfall in December - Rebordãos, Portugal
  • Average snowfall in December: 13mm

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in December
Rebordãos, Portugal

Average snowfall days in December - Rebordãos, Portugal
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is January (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Rebordãos, 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: 5.1h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.8h).

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Average sunshine days in December
Rebordãos, Portugal

Average sunshine days in December - Rebordãos, Portugal
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in December
Rebordãos, Portugal

Average UV index in December - Rebordãos, 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
Rebordãos, Portugal

Average cloud cover in December - Rebordãos, Portugal
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in December
Rebordãos, Portugal

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

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January, November and December (8km).

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