December weather forecast and climate
Pero Negro, Portugal

Weather in December

December, the first month of the winter, in Pero Negro, is also a moderate month, with average temperature varying between 11.3°C (52.3°F) and 15.5°C (59.9°F).

Temperature

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

Humidity

In Pero Negro, Portugal, the average relative humidity in December is 76%.

Rainfall

In December, in Pero Negro, Portugal, 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

The month with the shortest days in Pero Negro is December, with an average of 9.5h of daylight.

Sunshine

In Pero Negro, the average sunshine is 5.8h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the temperature in December in Pero Negro?

In December, in Pero Negro, Portugal, 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 Pero Negro?

The average relative humidity in December in Pero Negro is 76%.

How much does it rain in Pero Negro in December?

In December, the rain falls for 11.7 days. Throughout December, 55mm (2.17") of precipitation is accumulated.

What is the month with the shortest days in Pero Negro?

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

What is the average length of the day in December in Pero Negro?

In December, the average length of the day in Pero Negro, Portugal, is 9.5h.

How many hours of sunshine does Pero Negro have in December?

In December, the average sunshine is 5.8h.

When is the lowest UV index in Pero Negro?

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

How high is the UV index in December in Pero Negro?

In December, the average daily maximum UV index 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
Pero Negro, Portugal

Average temperature in December - Pero Negro, 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
Pero Negro, Portugal

Average pressure in December - Pero Negro, 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
Pero Negro, Portugal

Average wind speed in December - Pero Negro, 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
Pero Negro, Portugal

Average humidity in December - Pero Negro, 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
Pero Negro, Portugal

Average rainfall in December - Pero Negro, 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
Pero Negro, Portugal

Average rainfall days in December - Pero Negro, 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
Pero Negro, Portugal

Average daylight in December / Average sunshine in December - Pero Negro, 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
Pero Negro, Portugal

Average sunshine days in December - Pero Negro, 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
Pero Negro, Portugal

Average UV index in December - Pero Negro, 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
Pero Negro, Portugal

Average cloud cover in December - Pero Negro, 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
Pero Negro, Portugal

Average visibility in December - Pero Negro, 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]