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
The arrival of December brings an average high-temperature of a moderate 15.1°C (59.2°F), nearly identical to November's 17.2°C (63°F). Marinhais encounters an average low-temperature of 7.5°C (45.5°F) during December nights.Humidity
In Marinhais, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 10.1 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 107.9 rainfall days, and 335mm (13.19") of precipitation is accumulated.Daylight
The month with the shortest days in Marinhais is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:35 and sunset at 17:12. On the last day of December, in Marinhais, sunrise is at 07:53 and sunset at 17:22 WET.
Sunshine
The average sunshine in December in Marinhais is 5.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in December in Marinhais?
What is the average humidity in December in Marinhais?
How much does it rain in Marinhais in December?
What is the month with the shortest days in Marinhais?
What is the average length of the day in December in Marinhais?
What time are sunrise and sunset in December in Marinhais?
How long on average sun shines in December in Marinhais?
When is the lowest UV index in Marinhais?
What is the UV index reading in December in Marinhais?
Average temperature in December
Marinhais, Portugal
- Average high temperature in December: 15.1°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is July (15.8°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in December
Marinhais, 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
Marinhais, Portugal
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest month (with the lowest average wind speed) is September (10.5km/h).
Average humidity in December
Marinhais, 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 (62%).
Average rainfall in December
Marinhais, Portugal
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Marinhais, Portugal
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is November (13.9 days).
The month with the least rainy days is August (2.4 days).
Average daylight in December /
Average sunshine in December
Marinhais, Portugal
- Average daylight in December: 9h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Marinhais, Portugal
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is July (27.3 days).
The months with the least sunshine days are April and November (14.6 days).
Average UV index in December
Marinhais, Portugal
- Average UV index in December: 3
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, November and December (UV index 3).
Average cloud cover in December
Marinhais, Portugal
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Marinhais, Portugal
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Marinhais, Portugal
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