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
Ilkley's weather in December, with an average high-temperature of a wintry 5.6°C (42.1°F), subtly shifts from November's 7.9°C (46.2°F). In December, Ilkley experiences a marginal drop in temperature, with averages of 1.7°C (35.1°F) at night.Humidity
November and December, with an average relative humidity of 91%, are the most humid months.Rainfall
In Ilkley, in December, it is raining for 16.6 days, with typically 47mm (1.85") of accumulated precipitation. In Ilkley, during the entire year, the rain falls for 187.4 days and collects up to 494mm (19.45") of precipitation.Snowfall
January through May, November and December are months with snowfall in Ilkley, United Kingdom. In Ilkley, United Kingdom, during December, snow falls for 3.2 days and regularly aggregates up to 27mm (1.06") of snow. In Ilkley, during the entire year, snow falls for 18.5 days and aggregates up to 143mm (5.63") of snow.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year in Ilkley.On the first day of the month, sunrise is at 8:03 am and sunset at 3:49 pm. On the last day of December, sunrise is at 8:25 am and sunset at 3:55 pm GMT.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold does it get in Ilkley in December?
What is the most humid month in Ilkley?
What is the average humidity in December in Ilkley?
How much does it rain in Ilkley in December?
How many days does it snow in December in Ilkley?
What is the month with the shortest days in Ilkley?
How many hours of daylight does Ilkley have in December?
What time are sunrise and sunset in December in Ilkley?
How many hours of sunshine does Ilkley have in December?
What is the month with the lowest UV index in Ilkley?
What is the UV index intensity in December in Ilkley?
Average temperature in December
Ilkley, United Kingdom
- Average high temperature in December: 5.6°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 (4.8°C).
- Average low temperature in December: 1.7°C
The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in December
Ilkley, United Kingdom
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in December
Ilkley, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is February (18.8km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).
Average humidity in December
Ilkley, United Kingdom
- Average humidity in December: 91%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Ilkley, United Kingdom
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Ilkley, United Kingdom
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in December
Ilkley, United Kingdom
- Average snowfall in December: 27mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Ilkley, United Kingdom
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (5.6 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
Ilkley, United Kingdom
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 6h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 24min).
Average sunshine days in December
Ilkley, United Kingdom
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in December
Ilkley, 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, March, November and December (UV index 2).
Average cloud cover in December
Ilkley, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in December
Ilkley, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are March, April and May (9km).
The months with the lowest visibility are January, February, June, July, August, September, October, November and December (8km).
Ilkley, United Kingdom
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