December weather forecastRegadas, Portugal
December
Weather in December
December, the first month of the winter in Regadas, is still a cool month, with an average temperature fluctuating between 11.5°C (52.7°F) and 4.8°C (40.6°F).Temperature
With December's arrival, Regadas notes an average high-temperature of a cool 11.5°C (52.7°F), closely following the trend of the preceding month. In December, the nighttime temperature lowers to an average of 4.8°C (40.6°F).Humidity
In Regadas, the average relative humidity in December is 85%.Rainfall
December is the month with the most rainfall. Rain falls for 14 days and accumulates 135mm (5.31") of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:39 and sunset at 17:03. On the last day of the month, sunrise is at 07:58 and sunset at 17:13 WET.
Sunshine
The average sunshine in December is 5h.UV index
The average daily maximum UV index in December in Regadas is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Regadas, Portugal
- Average high temperature in December: 11.5°C
The warmest months (with the highest average high temperature) are July and August (27.8°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in December: 4.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in December
Regadas, 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
Regadas, Portugal
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in December
Regadas, Portugal
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Regadas, Portugal
- Average rainfall in December: 135mm
The wettest month (with the highest rainfall) is December (135mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in December
Regadas, Portugal
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is January (16.2 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in December
Regadas, Portugal
- Average snowfall in December: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Regadas, Portugal
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Regadas, Portugal
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Regadas, Portugal
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is November (12.2 days).
Average UV index in December
Regadas, Portugal
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Regadas, Portugal
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in December
Regadas, Portugal
- Average visibility in December: 7km
The months with the highest visibility are July, August and September (9km).
The months with the lowest visibility are January, February, November and December (7km).
