December weather forecastVimeiro, Portugal
December
Weather in December
December, the first month of the winter in Vimeiro, is also a moderate month, with an average temperature fluctuating between 15.4°C (59.7°F) and 10.4°C (50.7°F).Temperature
Vimeiro's shift into December sets the average high-temperature at a moderate 15.4°C (59.7°F), a figure that deviates only slightly from November's 17°C (62.6°F). Vimeiro's nighttime temperatures in December display a slight drop from daytime highs, averaging to a fresh 10.4°C (50.7°F).Humidity
In Vimeiro, the average relative humidity in December is 77%.Rainfall
In Vimeiro, Portugal, in December, during 11.1 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Vimeiro, Portugal, during the entire year, the rain falls for 118.8 days and collects up to 406mm (15.98") of precipitation.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Vimeiro.On the first day of the month, sunrise is at 07:38 and sunset at 17:14. On the last day of December, sunrise is at 07:56 and sunset at 17:24 WET.
Sunshine
In December, the average sunshine is 5.8h.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in December translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vimeiro, Portugal
- Average high temperature in December: 15.4°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (14.3°C).
- Average low temperature in December: 10.4°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9.5°C).
Average pressure in December
Vimeiro, 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 (1015.6mbar).
Average wind speed in December
Vimeiro, Portugal
- Average wind speed in December: 15.8km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is October (14km/h).
Average humidity in December
Vimeiro, Portugal
- Average humidity in December: 77%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in December
Vimeiro, Portugal
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in December
Vimeiro, Portugal
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is November (14.8 days).
The month with the least rainy days is August (3.1 days).
Average daylight in December /
Average sunshine in December
Vimeiro, Portugal
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Vimeiro, Portugal
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in December
Vimeiro, Portugal
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in December
Vimeiro, Portugal
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Vimeiro, Portugal
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).





