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 sea temperature 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
December
Weather in December
Temperature
Ballycastle's weather in December displays an average high-temperature of a still frosty 7.8°C (46°F), showing minor disparity from November's 9.5°C (49.1°F). An average low-temperature of 5.2°C (41.4°F) is witnessed throughout the month of December, a mere drop from the daytime peak.Humidity
The average relative humidity in December in Ballycastle, United Kingdom, is 83%.Rainfall
In Ballycastle, in December, during 21.1 rainfall days, 64mm (2.52") of precipitation is typically accumulated. In Ballycastle, United Kingdom, during the entire year, the rain falls for 248.7 days and collects up to 772mm (30.39") of precipitation.Snowfall
January through April, November and December are months with snowfall in Ballycastle. In Ballycastle, United Kingdom, during December, snow falls for 2 days and regularly aggregates up to 10mm (0.39") of snow. In Ballycastle, United Kingdom, during the entire year, snow falls for 10.4 days and aggregates up to 60mm (2.36") of snow.Sea temperature
In Ballycastle, in December, the average water temperature is 10.5°C (50.9°F).Note: It is advised against swimming in 10.5°C (50.9°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
December has the shortest days of the year in Ballycastle, with an average of 7h and 12min of daylight.On the first day of December, sunrise is at 8:27 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 8:51 am and sunset at 4:05 pm GMT.
Sunshine
In December, the average sunshine in Ballycastle, United Kingdom, is 3.9h.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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Ballycastle?
What is the average humidity in December in Ballycastle?
How much does it rain in Ballycastle in December?
How many days does it snow in December in Ballycastle?
How cold is the water in December in Ballycastle?
What is the month with the shortest days in Ballycastle?
How many hours of daylight does Ballycastle have in December?
When is the sunrise / sunset in December in Ballycastle?
How long on average sun shines in December in Ballycastle?
What are the months with the lowest UV index in Ballycastle?
What is the UV index intensity in December in Ballycastle?
Average temperature in December
Ballycastle, United Kingdom
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (15.8°C).
The months with the lowest average high temperature are January and February (7.1°C).
- Average low temperature in December: 5.2°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in December
Ballycastle, United Kingdom
- Average pressure in December: 1008.3mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).
Average wind speed in December
Ballycastle, United Kingdom
- Average wind speed in December: 28.9km/h
The windiest month (with the highest average wind speed) is January (29.3km/h).
The calmest month (with the lowest average wind speed) is June (17.3km/h).
Average humidity in December
Ballycastle, United Kingdom
- Average humidity in December: 83%
The months with the highest relative humidity are July and August (86%).
The months with the lowest relative humidity are March, April and May (81%).
Average rainfall in December
Ballycastle, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is August (93mm).
The driest months (with the least rainfall) are April and May (43mm).
Average rainfall days in December
Ballycastle, United Kingdom
- Average rainfall days in December: 21.1 days
The month with the highest number of rainy days is August (25.5 days).
The month with the least rainy days is February (16.9 days).
Average snowfall in December
Ballycastle, United Kingdom
- Average snowfall in December: 10mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ballycastle, United Kingdom
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Ballycastle, United Kingdom
- Average sea temperature in December: 10.5°C
The best month for swimming (with the highest average sea temperature) is August (14.2°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in December /
Average sunshine in December
Ballycastle, United Kingdom
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Ballycastle, United Kingdom
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is April (9.3 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Ballycastle, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, 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
Ballycastle, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in December
Ballycastle, United Kingdom
- Average visibility in December: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
