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
In December, Holywell experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 9.3°C (48.7°F) in November to a still frosty 7.3°C (45.1°F). Holywell's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at an icy 3.7°C (38.7°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Holywell, in December, during 15.3 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 189.4 rainfall days, and 388mm (15.28") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Holywell, during December, snow falls for 2.5 days and regularly aggregates up to 15mm (0.59") of snow. Throughout the year, there are 16.8 snowfall days, and 97mm (3.82") of snow is accumulated.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:05 am and sunset at 3:58 pm. On the last day of December, sunrise is at 8:27 am and sunset at 4:04 pm GMT.
Sunshine
In Holywell, the average sunshine in December is 4.1h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in December in Holywell?
What is the average humidity in December in Holywell?
How many days does it rain in December in Holywell?
How many days does it snow in December in Holywell?
What is the month with the shortest days in Holywell?
How many hours of daylight does Holywell have in December?
When are sunrise and sunset in December in Holywell?
How many hours of sunshine does Holywell have in December?
What is the month with the lowest UV index in Holywell?
What is the UV index intensity in December in Holywell?
Average temperature in December
Holywell, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 3.7°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in December
Holywell, United Kingdom
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in December
Holywell, United Kingdom
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in December
Holywell, United Kingdom
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in December
Holywell, United Kingdom
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in December
Holywell, United Kingdom
- Average rainfall days in December: 15.3 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (12 days).
Average snowfall in December
Holywell, United Kingdom
- Average snowfall in December: 15mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Holywell, United Kingdom
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Holywell, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are May and July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in December
Holywell, United Kingdom
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is March (12.2 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in December
Holywell, 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, November and December (UV index 2).
Average cloud cover in December
Holywell, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 50).
Average visibility in December
Holywell, 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).
Holywell, United Kingdom
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