December weather forecast
Loulé, Portugal

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Weather in December

December, the first month of the winter in Loulé, is still a refreshing month, with temperature in the range of an average high of 15.9°C (60.6°F) and an average low of 10.9°C (51.6°F).

Temperature

The beginning of December reveals an average high-temperature of a still refreshing 15.9°C (60.6°F), showing minimal deviation from the previous month. Nighttime in Loulé, during December, brings an average low of 10.9°C (51.6°F), a modest reduction from the day's peak.

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 76%.

Rainfall

In Loulé, in December, during 4.4 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 55.7 rainfall days, and 106mm (4.17") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 17°C (62.6°F).
Note: Most people do not find pleasure in swimming when the water temperature is 17°C (62.6°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year in Loulé, Portugal, with an average of 9h and 42min of daylight.
On the first day of December in Loulé, sunrise is at 07:27 and sunset at 17:15. On the last day of the month, sunrise is at 07:45 and sunset at 17:25 WET.

Sunshine

In Loulé, the average sunshine in December is 6.3h.

UV index

In December, the average daily maximum UV index in Loulé, Portugal, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, the average maximum UV index of 4 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. 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.
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Frequently asked questions

What is the usual temperature for Loulé in December?

In Loulé, 15.9°C (60.6°F) is the average high-temperature and 10.9°C (51.6°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 31°C (87.8°F).

What is the most humid month in Loulé?

January and December, with an average relative humidity of 76%, are most humid months in Loulé, Portugal.

What is the average humidity in December in Loulé?

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

How many days does it rain in December in Loulé?

In December, in Loulé, Portugal, the rain falls for 4.4 days. Throughout December, 13mm (0.51") of precipitation is accumulated.

What is the sea temperature in December in Loulé?

In Loulé, Portugal, in December, the average water temperature is 17°C (62.6°F). For swimming, a surface water temperature of 17°C (62.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Loulé?

December has the shortest days of the year in Loulé, Portugal, with an average of 9h and 42min of daylight.

How many hours of daylight does Loulé have in December?

In Loulé, the average day length in December is 9h and 40min.

When is the sunrise / sunset in December in Loulé?

In December, on the first day of the month, sunrise is at 07:27 and sunset at 17:15. On the last day of the month, sunrise is at 07:45 and sunset at 17:25 WET.

How long on average sun shines in December in Loulé?

In Loulé, the average sunshine duration in December is 6.3h.

What is the UV index intensity in December in Loulé?

In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Average temperature in December
Loulé, Portugal

Average temperature in December - Loulé, Portugal
  • Average high temperature in December: 15.9°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (14.9°C).

  • Average low temperature in December: 10.9°C

The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (9.6°C).

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Average pressure in December
Loulé, Portugal

Average pressure in December - Loulé, 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 (1015.4mbar).

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Average wind speed in December
Loulé, Portugal

Average wind speed in December - Loulé, Portugal
  • Average wind speed in December: 15.6km/h

The windiest months (with the highest average wind speed) are February and March (16.9km/h).
The calmest month (with the lowest average wind speed) is September (11.5km/h).

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Average humidity in December
Loulé, Portugal

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

The months with the highest relative humidity are January and December (76%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in December
Loulé, Portugal

Average rainfall in December - Loulé, Portugal
  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is November (20mm).
The driest month (with the least rainfall) is July (0mm).

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Average rainfall days in December
Loulé, Portugal

Average rainfall days in December - Loulé, Portugal
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is April (9 days).
The month with the least rainy days is August (0.6 days).

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Average sea temperature in December
Loulé, Portugal

Average sea temperature in December - Loulé, Portugal
  • Average sea temperature in December: 17°C

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

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

Average daylight in December / Average sunshine in December - Loulé, Portugal
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days in December
Loulé, Portugal

Average sunshine days in December - Loulé, Portugal
  • Average sunshine days in December: 25.6 days

The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is April (18.5 days).

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Average UV index in December
Loulé, Portugal

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

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

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Average cloud cover in December
Loulé, Portugal

Average cloud cover in December - Loulé, Portugal
  • Average cloud cover in December: 28

The month with the most cloud cover is January (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Loulé, Portugal

Average visibility in December - Loulé, 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).

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Loulé, Portugal

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