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
December
Weather in December
Temperature
As Costessey transitions into December, the average high-temperature stands at a chilly 7.5°C (45.5°F), offering little variation from the preceding month. An average nighttime temperature of 4.3°C (39.7°F) marks December in Costessey, United Kingdom.Humidity
The months with the highest humidity in Costessey, United Kingdom, are January and December, with an average relative humidity of 86%.Rainfall
In Costessey, in December, it is raining for 15.5 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Costessey, there are 169.3 rainfall days, and 297mm (11.69") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Costessey. In Costessey, United Kingdom, during December, snow falls for 2 days and regularly aggregates up to 6mm (0.24") of snow. In Costessey, United Kingdom, during the entire year, snow falls for 11.5 days and aggregates up to 46mm (1.81") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:44 am and sunset at 3:44 pm. On the last day of December, sunrise is at 8:06 am and sunset at 3:50 pm GMT.
Sunshine
In Costessey, United Kingdom, the average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Costessey in December?
What is the most humid month in Costessey?
What is the average humidity in December in Costessey?
How much does it rain in Costessey in December?
How many days does it snow in December in Costessey?
What is the month with the shortest days in Costessey?
How many hours of daylight does Costessey have in December?
What time are sunrise and sunset in December in Costessey?
How many hours of sunshine does Costessey have in December?
What are the months with the lowest UV index in Costessey?
What is the UV index reading in December in Costessey?
Average temperature in December
Costessey, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in December
Costessey, United Kingdom
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in December
Costessey, United Kingdom
- Average wind speed in December: 22.2km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in December
Costessey, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Costessey, United Kingdom
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Costessey, United Kingdom
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in December
Costessey, United Kingdom
- Average snowfall in December: 6mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Costessey, United Kingdom
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (4.4 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
Costessey, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Costessey, United Kingdom
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Costessey, 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, November and December (UV index 2).
Average cloud cover in December
Costessey, United Kingdom
- Average cloud cover in December: 58
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Costessey, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, August, September, October and November (10km).
The months with the lowest visibility are January, February, June, July and December (9km).
