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 brings an average high-temperature of a still chilly 7.3°C (45.1°F), showing a slight difference from November's 9.9°C (49.8°F). The low temperature average during December reflects a slight decrease to an icy 2.9°C (37.2°F) from the day's peak.Humidity
December is the most humid month in Colney Heath, with an average relative humidity of 90%.Rainfall
In Colney Heath, during December, the rain falls for 12.3 days and regularly aggregates up to 38mm (1.5") of precipitation. In Colney Heath, during the entire year, the rain falls for 159.2 days and collects up to 359mm (14.13") of precipitation.Snowfall
January through March, November and December are months with snowfall in Colney Heath. The month with the most snowfall in Colney Heath is December, when snow falls for 2 days and typically aggregates up to 20mm (0.79") of snow.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 7:46 am and sunset at 3:54 pm. On the last day of December, sunrise is at 8:07 am and sunset at 4:00 pm GMT.
Sunshine
In Colney Heath, the average sunshine in December is 4.4h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are December temperatures in Colney Heath?
What is the most humid month in Colney Heath?
What is the average humidity in December in Colney Heath?
How much does it rain in Colney Heath in December?
When does it snow the most in Colney Heath?
How much does it snow in Colney Heath in December?
What is the month with the shortest days in Colney Heath?
What is the average length of the day in December in Colney Heath?
What time are sunrise and sunset in December in Colney Heath?
How many hours of sunshine does Colney Heath have in December?
What are the months with the lowest UV index in Colney Heath?
What is the UV index reading in December in Colney Heath?
Average temperature in December
Colney Heath, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in December
Colney Heath, United Kingdom
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in December
Colney Heath, United Kingdom
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Colney Heath, United Kingdom
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Colney Heath, United Kingdom
- Average rainfall in December: 38mm
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
Colney Heath, United Kingdom
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in December
Colney Heath, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is December (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Colney Heath, United Kingdom
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (3.5 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
Colney Heath, 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 2min
The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Colney Heath, United Kingdom
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Colney Heath, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Colney Heath, United Kingdom
- Average cloud cover in December: 58
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in December
Colney Heath, 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).
Colney Heath, United Kingdom
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