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 snowfall in December
- Average snowfall 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
November's transformation into December witnesses an average high-temperature of a still cool 10.1°C (50.2°F), noting a minor change from the preceding month. Throughout December, Ribalonga encounters an average temperature drop to an icy 3.2°C (37.8°F).Humidity
The average relative humidity in December is 85%.Rainfall
December is the month with the most rainfall. Rain falls for 9.3 days and accumulates 49mm (1.93") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Ribalonga, Portugal, in December, snow falls for 0.5 days, with typically accumulated 3mm (0.12") of snow. In Ribalonga, during the entire year, snow falls for 1.8 days and aggregates up to 14mm (0.55") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 17:01. On the last day of December, sunrise is at 07:54 and sunset at 17:10 WET.
Sunshine
In Ribalonga, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Ribalonga, Portugal, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are December temperatures in Ribalonga?
What is the average humidity in December in Ribalonga?
What is the wettest month in Ribalonga?
How much does it rain in Ribalonga in December?
How many days does it snow in December in Ribalonga?
What is the month with the shortest days in Ribalonga?
What is the average length of the day in December in Ribalonga?
What time are sunrise and sunset in December in Ribalonga?
How many hours of sunshine does Ribalonga have in December?
What is the month with the lowest UV index in Ribalonga?
What is the UV index reading in December in Ribalonga?
Average temperature in December
Ribalonga, Portugal
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in December: 3.2°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in December
Ribalonga, Portugal
- Average pressure in December: 1022.8mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Ribalonga, Portugal
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in December
Ribalonga, 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 (56%).
Average rainfall in December
Ribalonga, Portugal
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in December
Ribalonga, Portugal
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Ribalonga, Portugal
- Average snowfall in December: 3mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Ribalonga, Portugal
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ribalonga, Portugal
- Average daylight in December: 9h and 2min
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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Ribalonga, Portugal
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in December
Ribalonga, Portugal
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Ribalonga, Portugal
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Ribalonga, Portugal
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (6km).
Ribalonga, Portugal
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