December weather forecast and climate
Negreiros, Portugal

Weather in December

December, the first month of the winter, in Negreiros, is still a mild month, with average temperature varying between 13.5°C (56.3°F) and 7.5°C (45.5°F).

Temperature

In December, the average high-temperature is essentially the same as in November - a still mild 13.5°C (56.3°F). In December, in Negreiros, the average low-temperature is 7.5°C (45.5°F).

Humidity

The average relative humidity in Negreiros, Portugal, is 81%.

Rainfall

In Negreiros, Portugal, it is raining for 13.5 days, with typically 122mm (4.8") of accumulated precipitation. In Negreiros, during the entire year, the rain falls for 127.9 days and collects up to 828mm (32.6") of precipitation.

Daylight

The month with the shortest days is December, with an average of 9.2h of daylight.

Sunshine

In Negreiros, Portugal, the average sunshine is 5.4h.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Negreiros. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 Negreiros?

In December, in Negreiros, the average high-temperature is 13.5°C (56.3°F), and the average low-temperature is 7.5°C (45.5°F).

What is the average humidity in December in Negreiros?

The average relative humidity in December is 81%.

How much does it rain in Negreiros in December?

In December, in Negreiros, the rain falls for 13.5 days. Throughout December, 122mm (4.8") of precipitation is accumulated.

What is the month with the shortest days in Negreiros?

The month with the shortest days in Negreiros is December, with an average of 9.2h of daylight.

What is the average length of the day in December in Negreiros?

In December, the average length of the day in Negreiros is 9.2h.

How long on average sun shines in December in Negreiros?

The average sunshine in December is 5.4h.

What is the month with the lowest UV index in Negreiros?

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Negreiros, Portugal.

What is the UV index intensity in December in Negreiros?

In Negreiros, Portugal, 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 the exposure to the Sun's UV radiation.

Average temperature in December
Negreiros, Portugal

Average temperature in December - Negreiros, Portugal
  • Average high temperature in December: 13.5°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in December: 7.5°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

[Resources]

Average pressure in December
Negreiros, Portugal

Average pressure in December - Negreiros, Portugal
  • Average pressure in December: 1022.4mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

[Resources]

Average wind speed in December
Negreiros, Portugal

Average wind speed in December - Negreiros, Portugal
  • Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).

[Resources]

Average humidity in December
Negreiros, Portugal

Average humidity in December - Negreiros, Portugal
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
Months with the lowest relative humidity are August and September (65%).

[Resources]

Average rainfall in December
Negreiros, Portugal

Average rainfall in December - Negreiros, Portugal
  • Average rainfall in December: 122mm

The wettest month (with the highest rainfall) is November (125mm).
The driest month (with the least rainfall) is July (8mm).

[Resources]

Average rainfall days in December
Negreiros, Portugal

Average rainfall days in December - Negreiros, Portugal
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (3.5 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Negreiros, Portugal
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5.4h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 4.9h).

[Resources]

Average sunshine days in December
Negreiros, Portugal

Average sunshine days in December - Negreiros, Portugal
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is November (13.2 days).

[Resources]

Average UV index in December
Negreiros, Portugal

Average UV index in December - Negreiros, Portugal
  • Average UV index in December: 3

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

[Resources]

Average cloud cover in December
Negreiros, Portugal

Average cloud cover in December - Negreiros, Portugal
  • Average cloud cover in December: 42

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).

[Resources]

Average visibility in December
Negreiros, Portugal

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

Months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January and April (8km).

[Resources]