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
The shift into December finds Ajuda at an average high-temperature of a moderate 15.5°C (59.9°F), closely comparable to November's conditions. December's average low-temperature in Ajuda, Portugal, is a cool 11.4°C (52.5°F), reflecting a minor difference from the day's peak temperatures.Humidity
In December, the average relative humidity is 75%.Rainfall
In Ajuda, in December, during 11 rainfall days, 52mm (2.05") of precipitation is typically accumulated. In Ajuda, during the entire year, the rain falls for 112.9 days and collects up to 390mm (15.35") of precipitation.Daylight
The month with the shortest days in Ajuda is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 07:36 and sunset at 17:15. On the last day of the month, sunrise is at 07:54 and sunset at 17:25 WET.
Sunshine
The average sunshine in December is 5.9h.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index in Ajuda, Portugal. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the average December temperature in Ajuda?
What is the average humidity in December in Ajuda?
How much does it rain in Ajuda in December?
What is the month with the shortest days in Ajuda?
How many hours of daylight does Ajuda have in December?
What time are sunrise and sunset in December in Ajuda?
How many hours of sunshine does Ajuda have in December?
What is the month with the lowest UV index in Ajuda?
What is the UV index intensity in December in Ajuda?
Average temperature in December
Ajuda, Portugal
- Average high temperature in December: 15.5°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in December: 11.4°C
The months with the highest average low temperature are July and August (18.1°C).
The coldest month (with the lowest average low temperature) is February (10.3°C).
Average pressure in December
Ajuda, 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
Ajuda, Portugal
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is October (14.1km/h).
Average humidity in December
Ajuda, Portugal
- Average humidity in December: 75%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are May, August and September (70%).
Average rainfall in December
Ajuda, Portugal
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Ajuda, Portugal
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is August (2.6 days).
Average daylight in December /
Average sunshine in December
Ajuda, 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: 5h 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: 5h and 24min).
Average sunshine days in December
Ajuda, Portugal
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in December
Ajuda, Portugal
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Ajuda, Portugal
- Average cloud cover in December: 35
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Ajuda, 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).
Ajuda, Portugal
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