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
Weather in December
Temperature
December registers an average high-temperature of a still frosty 8.1°C (46.6°F), slightly varied from November's 9.6°C (49.3°F). Cairnryan's nighttime average temperature in December subtly descends to a wintry 5.7°C (42.3°F) from the daily highs.Humidity
In December, the average relative humidity in Cairnryan is 83%.Rainfall
In December, in Cairnryan, the rain falls for 19.7 days. Throughout December, 64mm (2.52") of precipitation is accumulated. Throughout the year, there are 210.9 rainfall days, and 632mm (24.88") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Cairnryan. December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 6mm (0.24") of snow. In Cairnryan, during the entire year, snow falls for 6.4 days and aggregates up to 38mm (1.5") of snow.Sea temperature
In December, the average sea temperature in Cairnryan is 10.7°C (51.3°F).Note: Swimming in 10.7°C (51.3°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
December has the shortest days of the year, with an average of 7h and 18min of daylight.On the first day of the month, sunrise is at 8:21 am and sunset at 3:56 pm. On the last day of December, sunrise is at 8:44 am and sunset at 4:01 pm GMT.
Sunshine
In Cairnryan, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Cairnryan 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 vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the average December temperature in Cairnryan?
What is the average humidity in December in Cairnryan?
How much does it rain in Cairnryan in December?
When does it start to snow in Cairnryan?
What is the sea water temperature in December in Cairnryan?
What is the month with the shortest days in Cairnryan?
How many hours of daylight does Cairnryan have in December?
When are sunrise and sunset in December in Cairnryan?
How many hours of sunshine does Cairnryan have in December?
What is the month with the lowest UV index in Cairnryan?
What is the UV index reading in December in Cairnryan?
Average temperature in December
Cairnryan, United Kingdom
- Average high temperature in December: 8.1°C
The warmest month (with the highest average high temperature) is July (15.9°C).
The month with the lowest average high temperature is February (6.9°C).
- Average low temperature in December: 5.7°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in December
Cairnryan, United Kingdom
- Average pressure in December: 1009.1mbar
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
Cairnryan, United Kingdom
- Average wind speed in December: 29.5km/h
The windiest month (with the highest average wind speed) is December (29.5km/h).
The calmest month (with the lowest average wind speed) is June (17.4km/h).
Average humidity in December
Cairnryan, United Kingdom
- Average humidity in December: 83%
The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are April, May and November (81%).
Average rainfall in December
Cairnryan, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (72mm).
The driest months (with the least rainfall) are April and May (32mm).
Average rainfall days in December
Cairnryan, United Kingdom
- Average rainfall days in December: 19.7 days
The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is May (14.5 days).
Average snowfall in December
Cairnryan, United Kingdom
- Average snowfall in December: 6mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Cairnryan, United Kingdom
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Cairnryan, United Kingdom
- Average sea temperature in December: 10.7°C
The best months for swimming (with the highest average sea temperature) are August and September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.8°C).
Average daylight in December /
Average sunshine in December
Cairnryan, United Kingdom
- Average daylight in December: 7h and 2min
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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Cairnryan, United Kingdom
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in December
Cairnryan, 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, November and December (UV index 2).
Average cloud cover in December
Cairnryan, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in December
Cairnryan, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are January, February, July and August (9km).
Cairnryan, United Kingdom
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