Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As December takes its course, Grândola's average high-temperature registers at a still comfortable 16°C (60.8°F), closely aligning with the preceding month. Recording a slight drop from the daily maximum, Grândola notes an average low temperature of 12.5°C (54.5°F) in the month of December.Humidity
In Grândola, the average relative humidity in December is 74%.Rainfall
In December, in Grândola, the rain falls for 9.4 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 94.6 rainfall days, and 327mm (12.87") of precipitation is accumulated.Daylight
December has the shortest days of the year in Grândola, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:32 and sunset at 17:14. On the last day of December, sunrise is at 07:50 and sunset at 17:24 WET.
Sunshine
In December, the average sunshine is 6.2h.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during December leads to these advisories:
Be vigilant - A duty to shield skin and eyes from injury exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the average December temperature in Grândola?
What is the average humidity in December in Grândola?
How many days does it rain in December in Grândola?
What is the month with the shortest days in Grândola?
How many hours of daylight does Grândola have in December?
When is the sunrise / sunset in December in Grândola?
How many hours of sunshine does Grândola have in December?
What is the month with the lowest UV index in Grândola?
What is the UV index reading in December in Grândola?
Average temperature in December
Grândola, Portugal
- Average high temperature in December: 16°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).
- Average low temperature in December: 12.5°C
The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in December
Grândola, 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 (1015.7mbar).
Average wind speed in December
Grândola, Portugal
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15.1km/h).
Average humidity in December
Grândola, Portugal
- Average humidity in December: 74%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Grândola, Portugal
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in December
Grândola, Portugal
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
Grândola, Portugal
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Grândola, Portugal
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in December
Grândola, Portugal
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in December
Grândola, Portugal
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Grândola, 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).
Grândola, Portugal
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