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
The arrival of December sees a recorded average high-temperature of a chilly 8.5°C (47.3°F), showing little divergence from the previous month's conditions. During December, Portaferry's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a still frosty 6.1°C (43°F).Humidity
In December, the average relative humidity is 82%.Rainfall
In Portaferry, United Kingdom, during December, the rain falls for 12.4 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Portaferry, there are 167.4 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall in Portaferry. Snow falls for 1 days and accumulates 8mm (0.31") of snow.Daylight
With an average of 7h and 24min of daylight, December has the shortest days of the year in Portaferry.On the first day of December, sunrise is at 8:20 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:43 am and sunset at 4:07 pm GMT.
Sunshine
In Portaferry, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Portaferry are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in December in Portaferry?
What is the average humidity in December in Portaferry?
How much does it rain in Portaferry in December?
When does it snow the most in Portaferry?
How much does it snow in Portaferry in December?
What is the month with the shortest days in Portaferry?
What is the average length of the day in December in Portaferry?
When is the sunrise / sunset in December in Portaferry?
How long on average sun shines in December in Portaferry?
What is the month with the lowest UV index in Portaferry?
How high is the UV index in December in Portaferry?
Average temperature in December
Portaferry, United Kingdom
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.5°C).
- Average low temperature in December: 6.1°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in December
Portaferry, United Kingdom
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in December
Portaferry, United Kingdom
- Average wind speed in December: 28.9km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is June (17.3km/h).
Average humidity in December
Portaferry, United Kingdom
- Average humidity in December: 82%
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March, April and November (81%).
Average rainfall in December
Portaferry, United Kingdom
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days in December
Portaferry, United Kingdom
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in December
Portaferry, United Kingdom
- Average snowfall in December: 8mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Portaferry, United Kingdom
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Portaferry, United Kingdom
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are May and June (Average sunshine: 7h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in December
Portaferry, United Kingdom
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in December
Portaferry, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
Portaferry, United Kingdom
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in December
Portaferry, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Portaferry, United Kingdom
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