December weather forecast and climate
Serreira, Portugal

Weather in December

December, the first month of the winter, in Serreira, is still a mild month, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 11.3°C (52.3°F).

Temperature

In Serreira, the average high-temperature in December is practically the same as in November - a moderate 15.5°C (59.9°F). The average low-temperature, in Serreira, is 11.3°C (52.3°F).

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, in Serreira, the rain falls for 11.7 days. Throughout December, 55mm (2.17") of precipitation is accumulated. Throughout the year, there are 118.2 rainfall days, and 405mm (15.94") of precipitation is accumulated.

Daylight

With an average of 9.5h of daylight, December has the shortest days of the year in Serreira, Portugal.

Sunshine

The average sunshine in Serreira, Portugal, is 5.8h.

UV index

Months with the lowest UV index in Serreira are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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.
[Resources]

FAQ

What is the temperature in December in Serreira?

In Serreira, Portugal, in December, the average high-temperature is 15.5°C (59.9°F), and the average low-temperature is 11.3°C (52.3°F).

What is the average humidity in December in Serreira?

The average relative humidity in December in Serreira is 76%.

How much does it rain in Serreira in December?

In Serreira, in December, it is raining for 11.7 days, with typically 55mm (2.17") of accumulated precipitation.

What is the month with the shortest days in Serreira?

December has the shortest days of the year in Serreira, Portugal, with an average of 9.5h of daylight.

How many hours of daylight does Serreira have in December?

In December, the average length of the day is 9.5h.

How long on average sun shines in December in Serreira?

In Serreira, the average sunshine in December is 5.8h.

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

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

How high is the UV index in December in Serreira?

In December, the average daily maximum UV index in Serreira is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Serreira, Portugal

Average temperature in December - Serreira, Portugal
  • Average high temperature in December: 15.5°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (14.5°C).

  • Average low temperature in December: 11.3°C

The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is February (10°C).

[Resources]

Average pressure in December
Serreira, Portugal

Average pressure in December - Serreira, 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 (1015.7mbar).

[Resources]

Average wind speed in December
Serreira, Portugal

Average wind speed in December - Serreira, Portugal
  • Average wind speed in December: 16.9km/h

The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is October (15km/h).

[Resources]

Average humidity in December
Serreira, Portugal

Average humidity in December - Serreira, Portugal
  • Average humidity in December: 76%

The month with the highest relative humidity is January (77%).
Months with the lowest relative humidity are May, September and October (73%).

[Resources]

Average rainfall in December
Serreira, Portugal

Average rainfall in December - Serreira, Portugal
  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (3mm).

[Resources]

Average rainfall days in December
Serreira, Portugal

Average rainfall days in December - Serreira, Portugal
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is November (14.6 days).
The month with the least rainy days is August (2.6 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Serreira, Portugal
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.8h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.3h).

[Resources]

Average sunshine days in December
Serreira, Portugal

Average sunshine days in December - Serreira, Portugal
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (12.8 days).

[Resources]

Average UV index in December
Serreira, Portugal

Average UV index in December - Serreira, Portugal
  • Average UV index in December: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

[Resources]

Average cloud cover in December
Serreira, Portugal

Average cloud cover in December - Serreira, Portugal
  • Average cloud cover in December: 37

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).

[Resources]

Average visibility in December
Serreira, Portugal

Average visibility in December - Serreira, Portugal
  • Average visibility in December: 10km

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

[Resources]