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 welcomes an average high-temperature of a still refreshing 13.6°C (56.5°F), not much different from the preceding month. Throughout December, an average low-temperature of 7.9°C (46.2°F) is experienced.Humidity
In December, the average relative humidity is 80%.Rainfall
In Melres, in December, it is raining for 12.9 days, with typically 116mm (4.57") of accumulated precipitation. Throughout the year, there are 126.3 rainfall days, and 777mm (30.59") of precipitation is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Melres, Portugal, sunrise is at 07:39 and sunset at 17:05. On the last day of the month, sunrise is at 07:58 and sunset at 17:15 WET.
Sunshine
In Melres, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index in Melres are January through March, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are the temperatures in Melres in December?
What is the average humidity in December in Melres?
How much does it rain in Melres in December?
What is the month with the shortest days in Melres?
How many hours of daylight does Melres have in December?
What time are sunrise and sunset in December in Melres?
How long on average sun shines in December in Melres?
What are the months with the lowest UV index in Melres?
What is the UV index intensity in December in Melres?
Average temperature in December
Melres, Portugal
- Average high temperature in December: 13.6°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in December: 7.9°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in December
Melres, 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 (1015.3mbar).
Average wind speed in December
Melres, Portugal
- Average wind speed in December: 9.7km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).
Average humidity in December
Melres, Portugal
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Melres, Portugal
- Average rainfall in December: 116mm
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
Melres, Portugal
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).
Average daylight in December /
Average sunshine in December
Melres, 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: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Melres, Portugal
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in December
Melres, Portugal
- Average UV index in December: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Melres, Portugal
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Melres, Portugal
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Melres, Portugal
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