December weather forecastSerpente, Portugal

December

Weather in December

The first month of the winter, December, is still a refreshing month in Serpente, Portugal, with an average temperature varying between 8.8°C (47.8°F) and 13.6°C (56.5°F).

Temperature

December brings a marginal elevation to a still mild 13.6°C (56.5°F) from November's 15.3°C (59.5°F) in Serpente's average high-temperatures. A modest dip in temperatures to an average of 8.8°C (47.8°F) is observed throughout Serpente's December nights.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Serpente, in December, it is raining for 13.8 days, with typically 113mm (4.45") of accumulated precipitation. Throughout the year, in Serpente, there are 137 rainfall days, and 815mm (32.09") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 07:40 and sunset at 17:06. On the last day of December, sunrise is at 07:59 and sunset at 17:15 WET.

Sunshine

The average sunshine in December is 5.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

In Serpente, 13.6°C (56.5°F) is the average high-temperature and 8.8°C (47.8°F) is the average low-temperature during December.

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

In Serpente, during December, the rain falls for 13.8 days and regularly aggregates up to 113mm (4.45") of precipitation.

The month with the shortest days is December, with an average of 9h and 18min of daylight.

In Serpente, the average day length in December is 9h and 17min.

On the first day of December, sunrise is at 07:40 and sunset at 17:06. On the last day of the month, sunrise is at 07:59 and sunset at 17:15 WET.

The average sunshine duration in December is 5.5h.

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

In Serpente, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Serpente, Portugal

  • Average high temperature in December: 13.6°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (12.8°C).

  • Average low temperature in December: 8.8°C

The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).

Average pressure in December
Serpente, 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
Serpente, Portugal

  • Average wind speed in December: 11.9km/h

The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.6km/h).

Average humidity in December
Serpente, Portugal

  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (68%).

Average rainfall in December
Serpente, Portugal

  • Average rainfall in December: 113mm

The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in December
Serpente, Portugal

  • Average rainfall days in December: 13.8 days

The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is August (4.7 days).

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

  • Average daylight in December: 9h and 18min

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 18min).

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Serpente, Portugal

  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is November (11.9 days).

Average UV index in December
Serpente, Portugal

  • Average UV index in December: 3

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

Average cloud cover in December
Serpente, Portugal

  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 18).

Average visibility in December
Serpente, Portugal

  • Average visibility in December: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).