December weather forecast and climate
Tremês, Portugal

Weather in December

December, the first month of the winter, in Tremês, is still a mild month, with temperature in the range of an average high of 15.1°C (59.2°F) and an average low of 7.5°C (45.5°F).

Temperature

In Tremês, the average high-temperature is essentially the same as in November - a mild 15.1°C (59.2°F). The average low-temperature, in Tremês, Portugal, is 7.5°C (45.5°F).

Humidity

In December, the average relative humidity in Tremês, Portugal, is 78%.

Rainfall

In Tremês, it is raining for 10.1 days, with typically 42mm (1.65") of accumulated precipitation. In Tremês, during the entire year, the rain falls for 108.1 days and collects up to 337mm (13.27") of precipitation.

Daylight

The month with the shortest days is December, with an average of 9.4h of daylight.

Sunshine

The average sunshine in Tremês is 5.6h.

UV index

Months with the lowest UV index 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 the UV radiation for average individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in December in Tremês?

In December, in Tremês, Portugal, the average high-temperature is 15.1°C (59.2°F), and the average low-temperature is 7.5°C (45.5°F).

What is the average humidity in December in Tremês?

The average relative humidity in December is 78%.

How much does it rain in Tremês in December?

In December, in Tremês, Portugal, the rain falls for 10.1 days. Throughout December, 42mm (1.65") of precipitation is accumulated.

What is the month with the shortest days in Tremês?

The month with the shortest days in Tremês, Portugal, is December, with an average of 9.4h of daylight.

How many hours of daylight does Tremês have in December?

In Tremês, Portugal, the average length of the day in December is 9.4h.

How long on average sun shines in December in Tremês?

The average sunshine in December is 5.6h.

What are the months with the lowest UV index in Tremês?

Months with the lowest UV index in Tremês are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Tremês?

In December, the average daily maximum UV index in Tremês is 3. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in December
Tremês, Portugal

Average temperature in December - Tremês, Portugal
  • Average high temperature in December: 15.1°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in December: 7.5°C

The month with the highest average low temperature is July (15.8°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

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Average pressure in December
Tremês, Portugal

Average pressure in December - Tremês, 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 (1015.5mbar).

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Average wind speed in December
Tremês, Portugal

Average wind speed in December - Tremês, Portugal
  • Average wind speed in December: 11.2km/h

The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest months (with the lowest average wind speed) are September and October (10.6km/h).

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Average humidity in December
Tremês, Portugal

Average humidity in December - Tremês, Portugal
  • Average humidity in December: 78%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in December
Tremês, Portugal

Average rainfall in December - Tremês, Portugal
  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in December
Tremês, Portugal

Average rainfall days in December - Tremês, Portugal
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is November (13.9 days).
The month with the least rainy days is August (2.4 days).

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

Average daylight in December / Average sunshine in December - Tremês, Portugal
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.6h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in December
Tremês, Portugal

Average sunshine days in December - Tremês, Portugal
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is July (27.3 days).
Months with the least sunshine days are April and November (14.6 days).

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Average UV index in December
Tremês, Portugal

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
Tremês, Portugal

Average cloud cover in December - Tremês, 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).

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Average visibility in December
Tremês, Portugal

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

The month with the highest visibility is June (10km).
Months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

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