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
Rebelva's entry into December measures an average high-temperature of a moderate 15.7°C (60.3°F), closely parallel to the preceding month. Throughout December, Rebelva records a steady low-temperature average of 12°C (53.6°F), a minor decrease from its daytime counterpart.Humidity
The months with the highest humidity are January, April, July and December, with an average relative humidity of 75%.Rainfall
In Rebelva, in December, it is raining for 8.3 days, with typically 29mm (1.14") of accumulated precipitation. In Rebelva, during the entire year, the rain falls for 85.8 days and collects up to 215mm (8.46") of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 17:16. On the last day of December, in Rebelva, Portugal, sunrise is at 07:55 and sunset at 17:25 WET.
Sunshine
The average sunshine in December in Rebelva is 6h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during December leads to these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are December temperatures in Rebelva?
What are the most humid months in Rebelva?
What is the average humidity in December in Rebelva?
How many days does it rain in December in Rebelva?
What is the month with the shortest days in Rebelva?
How many hours of daylight does Rebelva have in December?
When is the sunrise / sunset in December in Rebelva?
How many hours of sunshine does Rebelva have in December?
What are the months with the lowest UV index in Rebelva?
What is the UV index reading in December in Rebelva?
Average temperature in December
Rebelva, Portugal
- Average high temperature in December: 15.7°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in December: 12°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in December
Rebelva, Portugal
- Average pressure in December: 1022.5mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Rebelva, Portugal
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).
Average humidity in December
Rebelva, Portugal
- Average humidity in December: 75%
The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in December
Rebelva, Portugal
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Rebelva, Portugal
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).
Average daylight in December /
Average sunshine in December
Rebelva, Portugal
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Rebelva, Portugal
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in December
Rebelva, 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, November and December (UV index 4).
Average cloud cover in December
Rebelva, Portugal
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Rebelva, 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).
Rebelva, Portugal
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