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
Cornwood marks the arrival of December with an average high-temperature of a chilly 9.4°C (48.9°F), hardly different from November's 11°C (51.8°F). A modest decline from daytime high temperatures in Cornwood, United Kingdom, is noticed in December, marking the average low at a still frosty 6.2°C (43.2°F).Humidity
In December, the average relative humidity in Cornwood is 85%.Rainfall
The wettest months in Cornwood are November and December, with an average 74mm (2.91") of rainfall.Snowfall
January, February, November and December are months with snowfall in Cornwood, United Kingdom. In December, it is snowing for 0.6 days. Throughout December, 5mm (0.2") of snow is accumulated. Throughout the year, there are 3.5 snowfall days, and 21mm (0.83") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:55 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:21 pm GMT.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the temperatures in Cornwood in December?
What is the average humidity in December in Cornwood?
What is the wettest month in Cornwood?
How much does it rain in Cornwood in December?
How many days does it snow in December in Cornwood?
What is the month with the shortest days in Cornwood?
How many hours of daylight does Cornwood have in December?
When is the sunrise / sunset in December in Cornwood?
How long on average sun shines in December in Cornwood?
What are the months with the lowest UV index in Cornwood?
How high is the UV index in December in Cornwood?
Average temperature in December
Cornwood, United Kingdom
- Average high temperature in December: 9.4°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is February (8.1°C).
- Average low temperature in December: 6.2°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in December
Cornwood, United Kingdom
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in December
Cornwood, United Kingdom
- Average wind speed in December: 25.6km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in December
Cornwood, United Kingdom
- Average humidity in December: 85%
The months with the highest relative humidity are June, August, September and October (86%).
The month with the lowest relative humidity is April (83%).
Average rainfall in December
Cornwood, United Kingdom
- Average rainfall in December: 74mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in December
Cornwood, United Kingdom
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is November (19.4 days).
The month with the least rainy days is September (13.2 days).
Average snowfall in December
Cornwood, United Kingdom
- Average snowfall in December: 5mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Cornwood, United Kingdom
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.3 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
Cornwood, United Kingdom
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are April, May and July (Average sunshine: 8h and 6min).
The months with the least sunshine are January and November (Average sunshine: 3h and 48min).
Average sunshine days in December
Cornwood, United Kingdom
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in December
Cornwood, 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
Cornwood, United Kingdom
- Average cloud cover in December: 62
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in December
Cornwood, United Kingdom
- Average visibility in December: 9km
The month with the highest visibility is February (10km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
Cornwood, United Kingdom
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