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's onset records an average high-temperature of a still chilly 7.8°C (46°F), a near match to November's 9.7°C (49.5°F). Throughout December, Larne observes a steady low-temperature average of 5°C (41°F), reflecting a minor dip from daytime highs.Humidity
In Larne, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 17.9 days. Throughout December, 51mm (2.01") of precipitation is accumulated. Throughout the year, in Larne, there are 222.6 rainfall days, and 629mm (24.76") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Larne, United Kingdom. In Larne, in December, during 0.9 snowfall days, 5mm (0.2") of snow is typically accumulated. Throughout the year, there are 6.5 snowfall days, and 29mm (1.14") of snow is accumulated.Sea temperature
In Larne, in December, the average water temperature is 10.5°C (50.9°F).Note: Unprotected swimming in 10.5°C (50.9°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
With an average of 7h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:24 am and sunset at 4:00 pm. On the last day of December, in Larne, United Kingdom, sunrise is at 8:47 am and sunset at 4:05 pm GMT.
Sunshine
In December, the average sunshine is 4.1h.UV index
The months with the lowest UV index in Larne are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are December temperatures in Larne?
What is the average humidity in December in Larne?
How many days does it rain in December in Larne?
How many days does it snow in December in Larne?
What is the water temperature in December in Larne?
What is the month with the shortest days in Larne?
What is the average length of the day in December in Larne?
When are sunrise and sunset in December in Larne?
How long on average sun shines in December in Larne?
What are the months with the lowest UV index in Larne?
What is the UV index reading in December in Larne?
Average temperature in December
Larne, United Kingdom
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in December: 5°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Larne, United Kingdom
- Average pressure in December: 1009mbar
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
Larne, United Kingdom
- Average wind speed in December: 26.6km/h
The windiest month (with the highest average wind speed) is December (26.6km/h).
The calmest month (with the lowest average wind speed) is June (16.1km/h).
Average humidity in December
Larne, United Kingdom
- Average humidity in December: 85%
The months with the highest relative humidity are July and August (86%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Larne, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (75mm).
The driest months (with the least rainfall) are April, May and September (39mm).
Average rainfall days in December
Larne, United Kingdom
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is April (16.3 days).
Average snowfall in December
Larne, United Kingdom
- Average snowfall in December: 5mm
The months with the highest snowfall are February and March (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Larne, United Kingdom
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Larne, United Kingdom
- Average sea temperature in December: 10.5°C
The best month for swimming (with the highest average sea temperature) is September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8°C).
Average daylight in December /
Average sunshine in December
Larne, 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in December
Larne, United Kingdom
- Average sunshine days in December: 9 days
The month with the most sunshine days is April (10.9 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in December
Larne, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are 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
Larne, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in December
Larne, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, September and November (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, October and December (9km).
Larne, United Kingdom
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