December weather forecast
Miramar, Portugal

December

Weather in December

The first month of the winter, December, is also a moderate month in Miramar, Portugal, with an average temperature fluctuating between 8.8°C (47.8°F) and 13.6°C (56.5°F).

Temperature

During December, the average high-temperature is a still refreshing 13.6°C (56.5°F), maintaining a close resemblance to that of the preceding month. Throughout December, Miramar reports a steady low-temperature average of 8.8°C (47.8°F), slightly lower than its daytime counterpart.

Humidity

The average relative humidity in December in Miramar, Portugal, is 79%.

Rainfall

In Miramar, during December, the rain falls for 13.8 days and regularly aggregates up to 113mm (4.45") of precipitation. Throughout the year, in Miramar, there are 136.5 rainfall days, and 810mm (31.89") of precipitation is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Miramar.
On the first day of the month, sunrise is at 07:40 and sunset at 17:06. On the last day of December, in Miramar, sunrise is at 07:59 and sunset at 17:16 WET.

Sunshine

In December, the average sunshine is 5.5h.

UV index

The months with the lowest UV index in Miramar are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What is the temperature in December in Miramar?
In December, in Miramar, the average high-temperature is 13.6°C (56.5°F), and the average low-temperature is 8.8°C (47.8°F).
What is the average humidity in December in Miramar?
In Miramar, Portugal, the average relative humidity in December is 79%.
How many days does it rain in December in Miramar?
In Miramar, during December, the rain falls for 13.8 days and regularly aggregates up to 113mm (4.45") of precipitation.
What is the month with the shortest days in Miramar?
The month with the shortest days in Miramar, Portugal, is December, with an average of 9h and 18min of daylight.
What is the average length of the day in December in Miramar?
In December, the average day length is 9h and 17min.
What time are sunrise and sunset in December in Miramar?
In December, on the first day of the month, sunrise is at 07:40 and sunset at 17:06. On the last day of the month, in Miramar, sunrise is at 07:59 and sunset at 17:16 WET.
How long on average sun shines in December in Miramar?
In December, the average sunshine duration is 5.5h.
What is the month with the lowest UV index in Miramar?
The months with the lowest UV index in Miramar are January, February, November and December, with an average maximum UV index of 3.
What is the UV index intensity in December in Miramar?
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Miramar, 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
Miramar, 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
Miramar, 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 (9.5km/h).

Average humidity in December
Miramar, Portugal
  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are August and September (69%).

Average rainfall in December
Miramar, 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
Miramar, 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
Miramar, Portugal
  • Average daylight in December: 9h and 2min

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 3min

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
Miramar, 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
Miramar, 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
Miramar, 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
Miramar, 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).

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