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
As November turns into December, the average high-temperatures rest at a moderate 15.5°C (59.9°F), showing a minor variation from the prior month. An average low-temperature of 7.1°C (44.8°F) is anticipated throughout the nights in São Marcos da Ataboeira, Portugal, during December.Humidity
In December, the average relative humidity is 77%.Rainfall
In São Marcos da Ataboeira, Portugal, in December, it is raining for 5.5 days, with typically 11mm (0.43") of accumulated precipitation. In São Marcos da Ataboeira, during the entire year, the rain falls for 65.2 days and collects up to 110mm (4.33") of precipitation.Daylight
December has the shortest days of the year in São Marcos da Ataboeira, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:28 and sunset at 17:13. On the last day of December, sunrise is at 07:46 and sunset at 17:23 WET.
Sunshine
In São Marcos da Ataboeira, the average sunshine in December is 6h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in São Marcos da Ataboeira. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in December translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in São Marcos da Ataboeira?
What is the average humidity in December in São Marcos da Ataboeira?
How many days does it rain in December in São Marcos da Ataboeira?
What is the month with the shortest days in São Marcos da Ataboeira?
What is the average length of the day in December in São Marcos da Ataboeira?
What time are sunrise and sunset in December in São Marcos da Ataboeira?
How long on average sun shines in December in São Marcos da Ataboeira?
What is the month with the lowest UV index in São Marcos da Ataboeira?
How high is the UV index in December in São Marcos da Ataboeira?
Average temperature in December
São Marcos da Ataboeira, Portugal
- Average high temperature in December: 15.5°C
The warmest month (with the highest average high temperature) is August (34.7°C).
The month with the lowest average high temperature is January (14.4°C).
- Average low temperature in December: 7.1°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in December
São Marcos da Ataboeira, Portugal
- Average pressure in December: 1022.7mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
São Marcos da Ataboeira, Portugal
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is July (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in December
São Marcos da Ataboeira, Portugal
- Average humidity in December: 77%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
São Marcos da Ataboeira, Portugal
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is April (20mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
São Marcos da Ataboeira, Portugal
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is April (9.7 days).
The month with the least rainy days is August (1 days).
Average daylight in December /
Average sunshine in December
São Marcos da Ataboeira, 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 36min).
- Average sunshine in December: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
São Marcos da Ataboeira, Portugal
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (18.8 days).
Average UV index in December
São Marcos da Ataboeira, Portugal
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
São Marcos da Ataboeira, Portugal
- Average cloud cover in December: 34
The months with the most cloud cover are January and April (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
São Marcos da Ataboeira, Portugal
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
São Marcos da Ataboeira, Portugal
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