December weather forecastGlengarnock, United Kingdom
December
Weather in December
The first month of the winter, December, is still a chilly month in Glengarnock, United Kingdom, with temperature in the range of an average high of 7.1°C (44.8°F) and an average low of 4.5°C (40.1°F).Temperature
Glengarnock experiences a transition to a still frosty 7.1°C (44.8°F) in average high-temperatures with the arrival of December, not greatly differing from November's 8.8°C (47.8°F). Nighttime temperatures hover around an average low of 4.5°C (40.1°F) in December, a slight descent from daytime highs.Humidity
The average relative humidity in December in Glengarnock is 84%.Rainfall
In December, the rain falls for 16.7 days. Throughout December, 48mm (1.89") of precipitation is accumulated. Throughout the year, there are 187.9 rainfall days, and 473mm (18.62") of precipitation is accumulated.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows in Glengarnock. Throughout December, in the average 1.3 snowfall days, it receives 7mm (0.28") of snow. In Glengarnock, during the entire year, snow falls for 7.3 days and aggregates up to 43mm (1.69") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 6min of daylight.On the first day of the month, sunrise is at 8:24 am and sunset at 3:51 pm. On the last day of December, sunrise is at 8:48 am and sunset at 3:55 pm GMT.
Sunshine
In Glengarnock, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glengarnock, United Kingdom
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is July (15.9°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 4.5°C
The months with the highest average low temperature are July and August (11.7°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Glengarnock, United Kingdom
- Average pressure in December: 1008.1mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in December
Glengarnock, United Kingdom
- Average wind speed in December: 26km/h
The windiest months (with the highest average wind speed) are January and December (26km/h).
The calmest month (with the lowest average wind speed) is June (15.3km/h).
Average humidity in December
Glengarnock, United Kingdom
- Average humidity in December: 84%
The months with the highest relative humidity are July, August and September (86%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Glengarnock, United Kingdom
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Glengarnock, United Kingdom
- Average rainfall days in December: 16.7 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (13.2 days).
Average snowfall in December
Glengarnock, United Kingdom
- Average snowfall in December: 7mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Glengarnock, United Kingdom
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Glengarnock, United Kingdom
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Glengarnock, United Kingdom
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in December
Glengarnock, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, August and September (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
Glengarnock, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in December
Glengarnock, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, September, October, November and December (10km).
The months with the lowest visibility are January, May, June, July and August (9km).





