December weather forecast
Odivelas, Portugal

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Weather in December

Wrapping up the year, December presents Odivelas with a notable winter chill. The city observes colder days with temperatures reaching up to 15.5°C (59.9°F) at their highest and dropping to a colder 10.4°C (50.7°F) as night falls. December receives a decent amount of rainfall - 46mm (1.81") dispersed over 11.1 days. As the daylight hours reduce to the year's lowest at 9.5 hours and the sun shines for merely 5.9 hours a day, the city braces itself for the incoming winter. Despite the drop in temperatures and reduced sunlight, the climate remains largely mild, closing off the year on a comfortable note.

Temperature

The commencement of December in Odivelas records an average high-temperature of a mild 15.5°C (59.9°F), barely varying from November's 17.6°C (63.7°F). The average low-temperature of 10.4°C (50.7°F) is witnessed during December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Odivelas, in December, it is raining for 11.1 days, with typically 46mm (1.81") of accumulated precipitation. In Odivelas, during the entire year, the rain falls for 111.8 days and collects up to 359mm (14.13") of precipitation.

Daylight

The month with the shortest days in Odivelas is December, with an average of 9h and 30min of daylight.
On the first day of December in Odivelas, sunrise is at 07:36 and sunset at 17:15. On the last day of the month, sunrise is at 07:54 and sunset at 17:25 WET.

Sunshine

In Odivelas, Portugal, the average sunshine in December is 5.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What is the usual temperature for Odivelas in December?

The high-temperature during December is 15.5°C (59.9°F) and the low-temperature is 10.4°C (50.7°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 29°C (84.2°F).

What is the average humidity in December in Odivelas?

In December, the average relative humidity in Odivelas is 76%.

How much does it rain in Odivelas in December?

In December, in Odivelas, Portugal, the rain falls for 11.1 days. Throughout December, 46mm (1.81") of precipitation is accumulated.

What is the month with the shortest days in Odivelas?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

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

In December, the average day length in Odivelas is 9h and 31min.

What time are sunrise and sunset in December in Odivelas?

In December, on the first day of the month, sunrise is at 07:36 and sunset at 17:15. On the last day of the month, in Odivelas, sunrise is at 07:54 and sunset at 17:25 WET.

How long on average sun shines in December in Odivelas?

The average sunshine duration in December in Odivelas is 5.9h.

When is the lowest UV index in Odivelas?

With an average maximum UV index of 3, December is the month with the lowest UV index in Odivelas.

What is the UV index reading in December in Odivelas?

In Odivelas, 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 unprotected exposure to UV radiation.

Average temperature in December
Odivelas, Portugal

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

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in December: 10.4°C

The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).

Average pressure in December
Odivelas, Portugal

Average pressure in December - Odivelas, Portugal
  • Average pressure in December: 1022.6mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in December
Odivelas, Portugal

Average wind speed in December - Odivelas, Portugal
  • Average wind speed in December: 14.4km/h

The windiest months (with the highest average wind speed) are February and July (15.9km/h).
The calmest months (with the lowest average wind speed) are September and October (12.9km/h).

Average humidity in December
Odivelas, Portugal

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

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Odivelas, Portugal

Average rainfall in December - Odivelas, Portugal
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in December
Odivelas, Portugal

Average rainfall days in December - Odivelas, Portugal
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is November (14.1 days).
The month with the least rainy days is August (2.3 days).

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

Average daylight in December / Average sunshine in December - Odivelas, Portugal
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

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 24min).

Average sunshine days in December
Odivelas, Portugal

Average sunshine days in December - Odivelas, Portugal
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is August (26.4 days).
The months with the least sunshine days are April and November (14.5 days).

Average UV index in December
Odivelas, Portugal

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

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Odivelas, Portugal

Average cloud cover in December - Odivelas, Portugal
  • Average cloud cover in December: 35

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in December
Odivelas, Portugal

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

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

Odivelas, Portugal

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