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 sea temperature 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
The dawn of December sees an average high-temperature of a still refreshing 16.2°C (61.2°F), subtly contrasting with November's 18°C (64.4°F). Ferreiras maintains a minor drop in temperature during December nights, with averages of 11.5°C (52.7°F).Humidity
In Ferreiras, the average relative humidity in December is 75%.Rainfall
In Ferreiras, during December, the rain falls for 3.8 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, there are 45.7 rainfall days, and 62mm (2.44") of precipitation is accumulated.Sea temperature
In Ferreiras, the average seawater temperature in December is 17°C (62.6°F).Note: Swimming is not a pleasant activity for most when the water temperature is 17°C (62.6°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.
Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Ferreiras, Portugal.On the first day of December, sunrise is at 07:28 and sunset at 17:16. On the last day of the month, sunrise is at 07:46 and sunset at 17:25 WET.
Sunshine
In Ferreiras, the average sunshine in December is 6.4h.UV index
The months with the lowest UV index in Ferreiras, Portugal, are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in December transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average December temperature in Ferreiras?
What is the average humidity in December in Ferreiras?
How many days does it rain in December in Ferreiras?
What is the sea water temperature in December in Ferreiras?
What is the month with the shortest days in Ferreiras?
How many hours of daylight does Ferreiras have in December?
When is the sunrise / sunset in December in Ferreiras?
How long on average sun shines in December in Ferreiras?
When is the lowest UV index in Ferreiras?
How high is the UV index in December in Ferreiras?
Average temperature in December
Ferreiras, Portugal
- Average high temperature in December: 16.2°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in December: 11.5°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.2°C).
Average pressure in December
Ferreiras, Portugal
- Average pressure in December: 1022.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Ferreiras, Portugal
- Average wind speed in December: 16.1km/h
The windiest months (with the highest average wind speed) are February and March (17.5km/h).
The calmest month (with the lowest average wind speed) is September (12.1km/h).
Average humidity in December
Ferreiras, Portugal
- Average humidity in December: 75%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Ferreiras, Portugal
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is November (13mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in December
Ferreiras, Portugal
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is April (7.5 days).
The month with the least rainy days is August (0.5 days).
Average sea temperature in December
Ferreiras, Portugal
- Average sea temperature in December: 17°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in December /
Average sunshine in December
Ferreiras, Portugal
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Ferreiras, Portugal
- Average sunshine days in December: 26.3 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is April (20 days).
Average UV index in December
Ferreiras, Portugal
- Average UV index in December: 4
The months with the highest UV index are May, 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
Ferreiras, Portugal
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Ferreiras, 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).
Ferreiras, Portugal
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