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 snowfall in December
- Average snowfall 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
December is marked by an average high-temperature of a still moderate 13°C (55.4°F), almost identical to the preceding month. The average temperature during December nights is registered at a chilly 6.4°C (43.5°F).Humidity
In Gualtar, the average relative humidity in December is 83%.Rainfall
In Gualtar, during December, the rain falls for 13.5 days and regularly aggregates up to 132mm (5.2") of precipitation. Throughout the year, there are 139.2 rainfall days, and 919mm (36.18") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days in Gualtar is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:41 and sunset at 17:04. On the last day of December, in Gualtar, sunrise is at 08:00 and sunset at 17:13 WET.
Sunshine
In Gualtar, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Gualtar are January through April, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are December temperatures in Gualtar?
What is the average humidity in December in Gualtar?
How many days does it rain in December in Gualtar?
When it does not snow in Gualtar?
Does it snow in Gualtar in December?
What is the month with the shortest days in Gualtar?
What is the average length of the day in December in Gualtar?
When is the sunrise / sunset in December in Gualtar?
How long on average sun shines in December in Gualtar?
When is the lowest UV index in Gualtar?
What is the UV index intensity in December in Gualtar?
Average temperature in December
Gualtar, Portugal
- Average high temperature in December: 13°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in December: 6.4°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in December
Gualtar, Portugal
- Average pressure in December: 1022.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Gualtar, Portugal
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in December
Gualtar, Portugal
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Gualtar, Portugal
- Average rainfall in December: 132mm
The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in December
Gualtar, Portugal
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in December
Gualtar, Portugal
- Average snowfall in December: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Gualtar, Portugal
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Gualtar, Portugal
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Gualtar, Portugal
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in December
Gualtar, 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, April, November and December (UV index 3).
Average cloud cover in December
Gualtar, Portugal
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in December
Gualtar, Portugal
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Gualtar, Portugal
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