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
At the onset of December, Ickenham records an average high-temperature of a chilly 7.8°C (46°F), showing little deviation from the preceding month. In Ickenham, the month of December records an average minimum temperature of 3.3°C (37.9°F), a slight dip from the daily highs.Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Ickenham is December, when the rain falls for 11.5 days and typically aggregates up to 25mm (0.98") of precipitation.Snowfall
January through March, November and December are months with snowfall in Ickenham, United Kingdom. December is the month with the most snowfall in Ickenham. Snow falls for 1.5 days and accumulates 10mm (0.39") of snow.Daylight
December has the shortest days of the year in Ickenham, United Kingdom, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 7:46 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 4:02 pm GMT.
Sunshine
The average sunshine in December is 4.3h.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 health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Ickenham?
What is the most humid month in Ickenham?
What is the average humidity in December in Ickenham?
What is the wettest month in Ickenham?
How much does it rain in Ickenham in December?
What is the snowiest month in Ickenham?
How much does it snow in Ickenham in December?
What is the month with the shortest days in Ickenham?
What is the average length of the day in December in Ickenham?
When is the sunrise / sunset in December in Ickenham?
How long on average sun shines in December in Ickenham?
What are the months with the lowest UV index in Ickenham?
What is the UV index reading in December in Ickenham?
Average temperature in December
Ickenham, United Kingdom
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Ickenham, United Kingdom
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in December
Ickenham, United Kingdom
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Ickenham, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Ickenham, United Kingdom
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Ickenham, United Kingdom
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is September (8.9 days).
Average snowfall in December
Ickenham, United Kingdom
- Average snowfall in December: 10mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Ickenham, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 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
Ickenham, 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
Ickenham, United Kingdom
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is July (14 days).
Average UV index in December
Ickenham, 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
Ickenham, United Kingdom
- Average cloud cover in December: 58
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in December
Ickenham, 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).
