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
As Randalstown, United Kingdom, steps into December, the average high-temperature is measured at a still chilly 6.7°C (44.1°F), displaying minor differences from November's 8.7°C (47.7°F). The December average low temperature in Randalstown, marginally lower than the daytime high, records at a cold 3.3°C (37.9°F).Humidity
The months with the highest humidity in Randalstown, United Kingdom, are January and December, with an average relative humidity of 89%.Rainfall
In Randalstown, in December, during 17.3 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Randalstown, during the entire year, the rain falls for 224.7 days and collects up to 633mm (24.92") of precipitation.Snowfall
Months with snowfall in Randalstown are January through April, November and December. In Randalstown, during December, snow falls for 2.3 days and regularly aggregates up to 11mm (0.43") of snow. In Randalstown, United Kingdom, during the entire year, snow falls for 15.5 days and aggregates up to 115mm (4.53") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 18min of daylight.On the first day of the month, sunrise is at 8:25 am and sunset at 4:03 pm. On the last day of December, sunrise is at 8:48 am and sunset at 4:08 pm GMT.
Sunshine
In December, the average sunshine is 3.9h.UV index
The months with the lowest UV index in Randalstown are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Randalstown in December?
What is the most humid month in Randalstown?
What is the average humidity in December in Randalstown?
How much does it rain in Randalstown in December?
How many days does it snow in December in Randalstown?
What is the month with the shortest days in Randalstown?
What is the average length of the day in December in Randalstown?
What time are sunrise and sunset in December in Randalstown?
How many hours of sunshine does Randalstown have in December?
What are the months with the lowest UV index in Randalstown?
How high is the UV index in December in Randalstown?
Average temperature in December
Randalstown, United Kingdom
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in December
Randalstown, United Kingdom
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.1mbar).
Average wind speed in December
Randalstown, United Kingdom
- Average wind speed in December: 21km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).
Average humidity in December
Randalstown, United Kingdom
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Randalstown, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in December
Randalstown, United Kingdom
- Average rainfall days in December: 17.3 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (16.8 days).
Average snowfall in December
Randalstown, United Kingdom
- Average snowfall in December: 11mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Randalstown, United Kingdom
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Randalstown, 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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Randalstown, United Kingdom
- Average sunshine days in December: 8.4 days
The months with the most sunshine days are April and May (10 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in December
Randalstown, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June 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
Randalstown, United Kingdom
- Average cloud cover in December: 62
The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in December
Randalstown, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
Randalstown, United Kingdom
Weather forecast for your location
2. Allow the app to use your location