December weather forecast and climate
Rabaças, Portugal

Weather in December

The first month of the winter, December, is still a cool month in Rabaças, Portugal, with average temperature fluctuating between 12.6°C (54.7°F) and 4.9°C (40.8°F).

Temperature

In December, the average high-temperature is almost the same as in November - a cool 12.6°C (54.7°F). In Rabaças, the average low-temperature is 4.9°C (40.8°F).

Humidity

In Rabaças, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 57mm (2.24") of precipitation is accumulated. Throughout the year, in Rabaças, there are 97.2 rainfall days, and 371mm (14.61") of precipitation is accumulated.

Snowfall

In Rabaças, Portugal, snow does not fall in February through December.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year.

Sunshine

In December, the average sunshine in Rabaças is 5.6h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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.
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FAQ

What is the temperature in December in Rabaças?

In December, in Rabaças, the average high-temperature is 12.6°C (54.7°F), and the average low-temperature is 4.9°C (40.8°F).

What is the average humidity in December in Rabaças?

The average relative humidity in December is 79%.

How much does it rain in Rabaças in December?

In Rabaças, Portugal, during December, the rain falls for 10.1 days and regularly aggregates up to 57mm (2.24") of precipitation.

Does it snow in Rabaças in December?

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

When it does not snow in Rabaças?

February through December are months without snowfall in Rabaças, Portugal.

What is the month with the shortest days in Rabaças?

The month with the shortest days is December, with an average of 9.4h of daylight.

How many hours of daylight does Rabaças have in December?

In Rabaças, Portugal, the average length of the day in December is 9.4h.

How many hours of sunshine does Rabaças have in December?

In Rabaças, Portugal, the average sunshine in December is 5.6h.

When is the lowest UV index in Rabaças?

With an average maximum UV index of 2, December is the month with the lowest UV index in Rabaças, Portugal.

What is the UV index reading in December in Rabaças?

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

Average temperature in December
Rabaças, Portugal

Average temperature in December - Rabaças, Portugal
  • Average high temperature in December: 12.6°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (11.6°C).

  • Average low temperature in December: 4.9°C

The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).

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Average pressure in December
Rabaças, Portugal

Average pressure in December - Rabaças, Portugal
  • Average pressure in December: 1023mbar

The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in December
Rabaças, Portugal

Average wind speed in December - Rabaças, Portugal
  • Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

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Average humidity in December
Rabaças, Portugal

Average humidity in December - Rabaças, 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 (44%).

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Average rainfall in December
Rabaças, Portugal

Average rainfall in December - Rabaças, Portugal
  • Average rainfall in December: 57mm

The wettest month (with the highest rainfall) is November (60mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in December
Rabaças, Portugal

Average rainfall days in December - Rabaças, Portugal
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (1.5 days).

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Average snowfall in December
Rabaças, Portugal

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

The month with the highest snowfall is January (1mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in December
Rabaças, Portugal

Average snowfall days in December - Rabaças, Portugal
  • Average snowfall days in December: 0 days

Months with the highest number of snowfall days are January and March (0.1 days).
Months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Rabaças, Portugal
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.6h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in December
Rabaças, Portugal

Average sunshine days in December - Rabaças, Portugal
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is April (16.6 days).

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Average UV index in December
Rabaças, Portugal

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

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Rabaças, Portugal

Average cloud cover in December - Rabaças, Portugal
  • Average cloud cover in December: 38

The month with the most cloud cover is January (Cloud cover 42).
Months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in December
Rabaças, Portugal

Average visibility in December - Rabaças, Portugal
  • Average visibility in December: 9km

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

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