December weather forecastCesar, 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 9h and 18min
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 36min
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: 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: 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: 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: 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).
