December weather forecastUpper Dean, United Kingdom
December
Weather in December
December, the first month of the winter in Upper Dean, is still a chilly month, with an average temperature ranging between min 2.7°C (36.9°F) and max 7°C (44.6°F).Temperature
Upper Dean experiences a minor change to a still chilly 7°C (44.6°F) in average high-temperature during December, closely reflecting November. Upper Dean's nights in December maintain a consistent average of 2.7°C (36.9°F), demonstrating a minimal differential from its daytime temperature.Humidity
December is the most humid month in Upper Dean, United Kingdom, with an average relative humidity of 91%.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 28mm (1.1") of precipitation is accumulated. In Upper Dean, during the entire year, the rain falls for 162.5 days and collects up to 339mm (13.35") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Upper Dean, in December, snow falls for 1.7 days, with typically accumulated 11mm (0.43") of snow. Throughout the year, in Upper Dean, there are 9.9 snowfall days, and 58mm (2.28") of snow is accumulated.Daylight
The month with the shortest days in Upper Dean is December, with an average of 7h and 48min of daylight.On the first day of December in Upper Dean, United Kingdom, sunrise is at 7:49 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 3:58 pm GMT.
Sunshine
In Upper Dean, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Upper Dean are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Upper Dean, United Kingdom
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Upper Dean, United Kingdom
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in December
Upper Dean, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in December
Upper Dean, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Upper Dean, United Kingdom
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Upper Dean, United Kingdom
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Upper Dean, United Kingdom
- Average snowfall in December: 11mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Upper Dean, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (3.7 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
Upper Dean, 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 18min
The month with the most sunshine is August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Upper Dean, United Kingdom
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Upper Dean, United Kingdom
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Upper Dean, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in December
Upper Dean, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
