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's presence marks an average high-temperature of a frosty 9.4°C (48.9°F), subtly varied from November's 11.5°C (52.7°F). Nighttime temperatures hover around an average low of 6.5°C (43.7°F) in December, a slight descent from daytime highs.Humidity
The months with the highest humidity in Rookley are January, February and December, with an average relative humidity of 83%.Rainfall
In Rookley, in December, it is raining for 17.6 days, with typically 59mm (2.32") of accumulated precipitation. In Rookley, during the entire year, the rain falls for 182.5 days and collects up to 469mm (18.46") of precipitation.Snowfall
January through March, November and December are months with snowfall in Rookley. In Rookley, in December, snow falls for 1 days, with typically accumulated 3mm (0.12") of snow. In Rookley, United Kingdom, during the entire year, snow falls for 4.8 days and aggregates up to 18mm (0.71") of snow.Daylight
The month with the shortest days in Rookley is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 7:45 am and sunset at 4:03 pm. On the last day of December, in Rookley, United Kingdom, sunrise is at 8:06 am and sunset at 4:10 pm GMT.
Sunshine
The average sunshine in December is 4.4h.UV index
The average daily maximum UV index in December in Rookley is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 3 in December transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the usual temperature for Rookley in December?
What are the most humid months in Rookley?
What is the average humidity in December in Rookley?
How many days does it rain in December in Rookley?
How much does it snow in Rookley in December?
What is the month with the shortest days in Rookley?
What is the average length of the day in December in Rookley?
When are sunrise and sunset in December in Rookley?
How many hours of sunshine does Rookley have in December?
What is the UV index intensity in December in Rookley?
Average temperature in December
Rookley, United Kingdom
- Average high temperature in December: 9.4°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (8°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in December
Rookley, United Kingdom
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in December
Rookley, United Kingdom
- Average wind speed in December: 26.2km/h
The windiest month (with the highest average wind speed) is December (26.2km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in December
Rookley, United Kingdom
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Rookley, United Kingdom
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (63mm).
The driest months (with the least rainfall) are April and May (24mm).
Average rainfall days in December
Rookley, United Kingdom
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Rookley, United Kingdom
- Average snowfall in December: 3mm
The month with the highest snowfall is November (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rookley, United Kingdom
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rookley, United Kingdom
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Rookley, United Kingdom
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in December
Rookley, United Kingdom
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Rookley, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Rookley, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Rookley, United Kingdom
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