December weather forecastAlcobaça, Portugal
December weather for Alcobaça, Portugal: On the first day of December in Alcobaça, Portugal, sunrise is at 07:37 and sunset at 17:12. December, the first month of the winter in Alcobaça, is still a refreshing month, with an average temperature fluctuating between 8.8°C (47.8°F) and 14.5°C (58.1°F).
December
Weather in December
December, the first month of the winter in Alcobaça, is still a refreshing month, with an average temperature fluctuating between 8.8°C (47.8°F) and 14.5°C (58.1°F).Temperature
The introduction of December notes a subtle temperature variation to a moderate 14.5°C (58.1°F) from November's 16.4°C (61.5°F). Throughout December, Alcobaça experiences a low-temperature average of 8.8°C (47.8°F).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 47mm (1.85") of precipitation is accumulated. In Alcobaça, during the entire year, the rain falls for 103.3 days and collects up to 370mm (14.57") of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 07:37 and sunset at 17:12. On the last day of the month, sunrise is at 07:56 and sunset at 17:22 WET.
Sunshine
In Alcobaça, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Alcobaça are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alcobaça, Portugal
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in December: 8.8°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.9°C).
Average pressure in December
Alcobaça, Portugal
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Alcobaça, Portugal
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in December
Alcobaça, Portugal
- Average humidity in December: 78%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Alcobaça, Portugal
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is November (66mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Alcobaça, Portugal
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (2.4 days).
Average daylight in December /
Average sunshine in December
Alcobaça, Portugal
- Average daylight in December: 9h and 24min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Alcobaça, Portugal
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is November (15.7 days).
Average UV index in December
Alcobaça, 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, November and December (UV index 3).
Average cloud cover in December
Alcobaça, Portugal
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in December
Alcobaça, Portugal
- Average visibility in December: 10km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
