December weather forecastBoucinha, Portugal

December

Weather in December

December, the first month of the winter in Boucinha, is still a cool month, with an average temperature fluctuating between 5.9°C (42.6°F) and 12.4°C (54.3°F).

Temperature

With the onset of December, the average high-temperature stands at a fresh 12.4°C (54.3°F), closely aligned with November's 14.1°C (57.4°F). Boucinha's December nights cool down to an average low-temperature of 5.9°C (42.6°F).

Humidity

In December, the average relative humidity is 84%.

Rainfall

December is the month with the most rainfall. Rain falls for 13.4 days and accumulates 131mm (5.16") of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 07:41 and sunset at 17:04. On the last day of December, sunrise is at 08:00 and sunset at 17:13 WET.

Sunshine

The average sunshine in December is 5.4h.

UV index

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Updated: Jun 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 12.4°C (54.3°F) and the low-temperature is 5.9°C (42.6°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 29°C (84.2°F).

The average relative humidity in December is 84%.

December is the month with the most rainfall. Rain falls for 13.4 days and accumulates 131mm (5.16") of precipitation.

In Boucinha, in December, it is raining for 13.4 days, with typically 131mm (5.16") of accumulated precipitation.

February through December are months without snowfall.

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

December has the shortest days of the year, with an average of 9h and 12min of daylight.

The average day length in December is 9h and 14min.

On the first day of December, sunrise is at 07:41 and sunset at 17:04. On the last day of the month, sunrise is at 08:00 and sunset at 17:13 WET.

The average sunshine duration in December in Boucinha is 5.4h.

In Boucinha, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

14.1°C

12.4°C

11.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.8km/h

8.5km/h

8.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.9

16.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Boucinha, Portugal

Average high temperature in December: 12.4°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (11.4°C).

Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (4.7°C).

Average pressure in December
Boucinha, Portugal

Average pressure in December: 1022.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in December
Boucinha, Portugal

Average wind speed in December: 7.8km/h

The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

Average humidity in December
Boucinha, Portugal

Average humidity in December: 84%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (63%).

Average rainfall in December
Boucinha, Portugal

Average rainfall in December: 131mm

The wettest month (with the highest rainfall) is December (131mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in December
Boucinha, Portugal

Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (4.6 days).

Average snowfall in December
Boucinha, Portugal

Average snowfall in December: 0mm

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

Average snowfall days in December
Boucinha, Portugal

Average snowfall days in December: 0 days

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

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

Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in December: 5h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).