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
December's advent presents an average high-temperature of a still refreshing 16.4°C (61.5°F), indicating a slight variation from the conditions of the previous month. Olhos de Água records a mild decrease in temperature during the nights of December, averaging a fresh 12.2°C (54°F).Humidity
In December, the average relative humidity is 74%.Rainfall
In December, the rain falls for 3.5 days. Throughout December, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 37.2 rainfall days, and 46mm (1.81") of precipitation is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:27 and sunset at 17:15. On the last day of the month, sunrise is at 07:46 and sunset at 17:25 WET.
Sunshine
In Olhos de Água, Portugal, the average sunshine in December is 6.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in December interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the average December temperature in Olhos de Água?
What is the average humidity in December in Olhos de Água?
How much does it rain in Olhos de Água in December?
What is the month with the shortest days in Olhos de Água?
How many hours of daylight does Olhos de Água have in December?
When is the sunrise / sunset in December in Olhos de Água?
How many hours of sunshine does Olhos de Água have in December?
What is the month with the lowest UV index in Olhos de Água?
How high is the UV index in December in Olhos de Água?
Average temperature in December
Olhos de Água, Portugal
- Average high temperature in December: 16.4°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in December: 12.2°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in December
Olhos de Água, 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
Olhos de Água, Portugal
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).
Average humidity in December
Olhos de Água, Portugal
- Average humidity in December: 74%
The months with the highest relative humidity are January, March and April (75%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Olhos de Água, Portugal
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is November (10mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in December
Olhos de Água, Portugal
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is April (6.2 days).
The month with the least rainy days is August (0.3 days).
Average daylight in December /
Average sunshine in December
Olhos de Água, 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
Olhos de Água, Portugal
- Average sunshine days in December: 26.9 days
The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is April (22.8 days).
Average UV index in December
Olhos de Água, 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
Olhos de Água, 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
Olhos de Água, 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).
Olhos de Água, Portugal
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