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's climate shows a minor adjustment in average high-temperatures to a still frosty 7.3°C (45.1°F) from November's 9°C (48.2°F). An average low-temperature of 3.9°C (39°F), slightly less than the daytime peak, marks the month of December in Glengormley.Humidity
January and December, with an average relative humidity of 88%, are the most humid months in Glengormley.Rainfall
In Glengormley, in December, during 16.5 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Glengormley, United Kingdom, during the entire year, the rain falls for 220.2 days and collects up to 626mm (24.65") of precipitation.Snowfall
January through March, November and December are months with snowfall in Glengormley. In Glengormley, during December, snow falls for 1.2 days and regularly aggregates up to 6mm (0.24") of snow. In Glengormley, during the entire year, snow falls for 8.2 days and aggregates up to 47mm (1.85") of snow.Daylight
With an average of 7h and 24min of daylight, December has the shortest days of the year in Glengormley.On the first day of the month, sunrise is at 8:23 am and sunset at 4:02 pm. On the last day of December, sunrise is at 8:46 am and sunset at 4:07 pm GMT.
Sunshine
In Glengormley, the average sunshine in December is 4.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glengormley. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Glengormley in December?
What are the most humid months in Glengormley?
What is the average humidity in December in Glengormley?
How much does it rain in Glengormley in December?
How much does it snow in Glengormley in December?
What is the month with the shortest days in Glengormley?
How many hours of daylight does Glengormley have in December?
When are sunrise and sunset in December in Glengormley?
How long on average sun shines in December in Glengormley?
What is the month with the lowest UV index in Glengormley?
What is the UV index reading in December in Glengormley?
Average temperature in December
Glengormley, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 3.9°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Glengormley, United Kingdom
- Average pressure in December: 1009.3mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in December
Glengormley, United Kingdom
- Average wind speed in December: 21.2km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).
Average humidity in December
Glengormley, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Glengormley, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).
Average rainfall days in December
Glengormley, United Kingdom
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).
Average snowfall in December
Glengormley, United Kingdom
- Average snowfall in December: 6mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Glengormley, United Kingdom
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Glengormley, United Kingdom
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Glengormley, United Kingdom
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in December
Glengormley, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Glengormley, United Kingdom
- Average cloud cover in December: 59
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in December
Glengormley, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Glengormley, United Kingdom
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