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
December denotes a minimal variation in the average high-temperature to a chilly 8.1°C (46.6°F) from November's 10.3°C (50.5°F). Nighttime temperatures in Sea Mills record an average of 4.1°C (39.4°F) throughout December.Humidity
January, November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Sea Mills, in December, during 9.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 122.8 rainfall days, and 187mm (7.36") of precipitation is accumulated.Snowfall
Months with snowfall in Sea Mills are January through March and December. December is the first month it typically snows in Sea Mills. Throughout December, in the average 0.7 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 5.3 snowfall days, and 9mm (0.35") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:54 am and sunset at 4:05 pm. On the last day of December, in Sea Mills, sunrise is at 8:15 am and sunset at 4:11 pm GMT.
Sunshine
In December, the average sunshine in Sea Mills is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sea Mills, United Kingdom. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Sea Mills?
What are the most humid months in Sea Mills?
What is the average humidity in December in Sea Mills?
How many days does it rain in December in Sea Mills?
When does it start snowing in Sea Mills?
What is the month with the shortest days in Sea Mills?
What is the average length of the day in December in Sea Mills?
When are sunrise and sunset in December in Sea Mills?
How long on average sun shines in December in Sea Mills?
What is the month with the lowest UV index in Sea Mills?
How high is the UV index in December in Sea Mills?
Average temperature in December
Sea Mills, United Kingdom
- Average high temperature in December: 8.1°C
The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in December: 4.1°C
The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in December
Sea Mills, United Kingdom
- Average pressure in December: 1014.1mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in December
Sea Mills, United Kingdom
- Average wind speed in December: 18.3km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in December
Sea Mills, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is July (81%).
Average rainfall in December
Sea Mills, United Kingdom
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is November (22mm).
The driest month (with the least rainfall) is September (11mm).
Average rainfall days in December
Sea Mills, United Kingdom
- Average rainfall days in December: 9.5 days
The months with the highest number of rainy days are July and August (12.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in December
Sea Mills, United Kingdom
- Average snowfall in December: 1mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Sea Mills, United Kingdom
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sea Mills, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 48min).
Average sunshine days in December
Sea Mills, United Kingdom
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in December
Sea Mills, 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, November and December (UV index 2).
Average cloud cover in December
Sea Mills, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in December
Sea Mills, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Sea Mills, United Kingdom
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