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
Rio de Moinhos experiences a minor change to a mild 14.2°C (57.6°F) in average high-temperature during December, closely reflecting November. Rio de Moinhos records an average low-temperature of 6.6°C (43.9°F) throughout the month of December.Humidity
In Rio de Moinhos, the average relative humidity in December is 78%.Rainfall
In Rio de Moinhos, in December, during 8.3 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Rio de Moinhos, there are 84.9 rainfall days, and 277mm (10.91") of precipitation is accumulated.Daylight
December has the shortest days of the year in Rio de Moinhos, with an average of 9h and 24min of daylight.On the first day of December in Rio de Moinhos, sunrise is at 07:34 and sunset at 17:09. On the last day of the month, sunrise is at 07:53 and sunset at 17:19 WET.
Sunshine
The average sunshine in December is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Rio de Moinhos. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average December temperature in Rio de Moinhos?
What is the average humidity in December in Rio de Moinhos?
How much does it rain in Rio de Moinhos in December?
What is the month with the shortest days in Rio de Moinhos?
How many hours of daylight does Rio de Moinhos have in December?
When is the sunrise / sunset in December in Rio de Moinhos?
How many hours of sunshine does Rio de Moinhos have in December?
When is the lowest UV index in Rio de Moinhos?
What is the UV index reading in December in Rio de Moinhos?
Average temperature in December
Rio de Moinhos, Portugal
- Average high temperature in December: 14.2°C
The warmest month (with the highest average high temperature) is August (32.7°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in December: 6.6°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).
Average pressure in December
Rio de Moinhos, 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
Rio de Moinhos, Portugal
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in December
Rio de Moinhos, Portugal
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Rio de Moinhos, Portugal
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (50mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Rio de Moinhos, Portugal
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is November (11.2 days).
The month with the least rainy days is August (1.6 days).
Average daylight in December /
Average sunshine in December
Rio de Moinhos, Portugal
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Rio de Moinhos, Portugal
- Average sunshine days in December: 21.6 days
The months with the most sunshine days are July and August (28.7 days).
The month with the least sunshine days is November (17.9 days).
Average UV index in December
Rio de Moinhos, Portugal
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Rio de Moinhos, Portugal
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Rio de Moinhos, Portugal
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (8km).
Rio de Moinhos, Portugal
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