December weather forecastLyonshall, United Kingdom
December
Weather in December
December, the first month of the winter in Lyonshall, is also a frosty month, with an average temperature fluctuating between 6.9°C (44.4°F) and 2.5°C (36.5°F).Temperature
As Lyonshall transitions from November to December, the average high-temperatures adjust to a still chilly 6.9°C (44.4°F), nearly the same as the previous 8.8°C (47.8°F). Lyonshall's evenings during December maintain an average temperature of 2.5°C (36.5°F), aligning closely with the daytime temperatures.Humidity
The months with the highest humidity in Lyonshall are November and December, with an average relative humidity of 91%.Rainfall
In December, the rain falls for 7.3 days. Throughout December, 12mm (0.47") of precipitation is accumulated. In Lyonshall, United Kingdom, during the entire year, the rain falls for 111.5 days and collects up to 186mm (7.32") of precipitation.Snowfall
Months with snowfall in Lyonshall are January through April, November and December. In December, it is snowing for 1.6 days. Throughout December, 7mm (0.28") of snow is accumulated. Throughout the year, in Lyonshall, there are 8.3 snowfall days, and 34mm (1.34") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 7:59 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 4:09 pm GMT.
Sunshine
In Lyonshall, the average sunshine in December is 4.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lyonshall, United Kingdom
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.5°C
The months with the highest average low temperature are July and August (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.2°C).
Average pressure in December
Lyonshall, United Kingdom
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Lyonshall, United Kingdom
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in December
Lyonshall, United Kingdom
- Average humidity in December: 91%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in December
Lyonshall, United Kingdom
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in December
Lyonshall, United Kingdom
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Lyonshall, United Kingdom
- Average snowfall in December: 7mm
The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Lyonshall, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.8 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
Lyonshall, United Kingdom
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).
Average sunshine days in December
Lyonshall, United Kingdom
- Average sunshine days in December: 20.7 days
The months with the most sunshine days are January and December (20.7 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Lyonshall, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July 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
Lyonshall, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in December
Lyonshall, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
