December weather forecastCrestuma, Portugal
December weather for Crestuma, Portugal: January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Crestuma, Portugal. December, the first month of the winter in Crestuma, is also a moderate month, with an average temperature ranging between min 7.9°C (46.2°F) and max 13.6°C (56.5°F).
December
Weather in December
December, the first month of the winter in Crestuma, is also a moderate month, with an average temperature ranging between min 7.9°C (46.2°F) and max 13.6°C (56.5°F).Temperature
Crestuma's average high-temperature in December is a still mild 13.6°C (56.5°F), marking an insignificant difference from the 15.3°C (59.5°F) of November. In December, Crestuma encounters an average low-temperature of 7.9°C (46.2°F) during the night.Humidity
In Crestuma, Portugal, the average relative humidity in December is 80%.Rainfall
In Crestuma, during December, the rain falls for 12.9 days and regularly aggregates up to 116mm (4.57") of precipitation. In Crestuma, during the entire year, the rain falls for 126.3 days and collects up to 777mm (30.59") of precipitation.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 Crestuma, sunrise is at 07:40 and sunset at 17:06. On the last day of the month, sunrise is at 07:58 and sunset at 17:15 WET.
Sunshine
The average sunshine in December is 5.5h.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Crestuma. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Crestuma, 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
Crestuma, 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
Crestuma, 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
Crestuma, 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
Crestuma, 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
Crestuma, 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
Crestuma, Portugal
- Average daylight in December: 9h and 18min
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 30min
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
Crestuma, 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
Crestuma, 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
Crestuma, 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
Crestuma, 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).
