December weather forecast
Cesar, Portugal

December

Weather in December

The first month of the winter, December, is also a moderate month in Cesar, Portugal, with an average temperature fluctuating between 13.6°C (56.5°F) and 7.3°C (45.1°F).

Temperature

The transition from November to December brings an average high-temperature of a still refreshing 13.6°C (56.5°F), barely different from November's 15.5°C (59.9°F). Cesar, during the month of December, experiences an average low-temperature of 7.3°C (45.1°F).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 13.4 days. Throughout December, 115mm (4.53") of precipitation is accumulated. Throughout the year, there are 135.4 rainfall days, and 778mm (30.63") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 07:39 and sunset at 17:06. On the last day of the month, sunrise is at 07:58 and sunset at 17:15 WET.

Sunshine

In December, the average sunshine is 5.6h.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Cesar. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the usual temperature for Cesar in December?
The high-temperature, in December, in Cesar, is 13.6°C (56.5°F), while the low-temperature averages to 7.3°C (45.1°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 29°C (84.2°F).
What is the average humidity in December in Cesar?
In December, the average relative humidity in Cesar is 80%.
How much does it rain in Cesar in December?
In Cesar, Portugal, in December, it is raining for 13.4 days, with typically 115mm (4.53") of accumulated precipitation.
What is the month with the shortest days in Cesar?
The month with the shortest days in Cesar, Portugal, is December, with an average of 9h and 18min of daylight.
How many hours of daylight does Cesar have in December?
In December, the average day length in Cesar, Portugal, is 9h and 17min.
What time are sunrise and sunset in December in Cesar?
On the first day of December in Cesar, Portugal, sunrise is at 07:39 and sunset at 17:06. On the last day of the month, sunrise is at 07:58 and sunset at 17:15 WET.
How long on average sun shines in December in Cesar?
In December, the average sunshine duration in Cesar is 5.6h.
What is the month with the lowest UV index in Cesar?
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
How high is the UV index in December in Cesar?
The average daily maximum UV index in December in Cesar, Portugal, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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 - Cesar, Portugal
Average temperature in December
Cesar, Portugal
  • Average high temperature in December: 13.6°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in December: 7.3°C

The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (6°C).

Average pressure in December - Cesar, Portugal
Average pressure in December
Cesar, 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 (1015.3mbar).

Average wind speed in December - Cesar, Portugal
Average wind speed in December
Cesar, Portugal
  • Average wind speed in December: 9.1km/h

The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).

Average humidity in December - Cesar, Portugal
Average humidity in December
Cesar, Portugal
  • Average humidity in December: 80%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (66%).

Average rainfall in December - Cesar, Portugal
Average rainfall in December
Cesar, Portugal
  • Average rainfall in December: 115mm

The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in December - Cesar, Portugal
Average rainfall days in December
Cesar, Portugal
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is November (15.7 days).
The month with the least rainy days is August (4.3 days).

Average daylight in December / Average sunshine in December - Cesar, Portugal
Average daylight in December /
Average sunshine in December
Cesar, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December - Cesar, Portugal
Average sunshine days in December
Cesar, Portugal
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is November (11.6 days).

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

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

Average cloud cover in December - Cesar, Portugal
Average cloud cover in December
Cesar, Portugal
  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).

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

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

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