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
December's onset sees an average high-temperature of a frosty 8°C (46.4°F), exhibiting a slight fluctuation from the previous month. Rollesby's December nights experience a subtle temperature dip to an average of 5.6°C (42.1°F).Humidity
The months with the highest humidity are January, June and December, with an average relative humidity of 83%.Rainfall
In Rollesby, during December, the rain falls for 16 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 174.3 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Rollesby. In December, it is snowing for 1.6 days. Throughout December, 4mm (0.16") of snow is accumulated. Throughout the year, there are 9 snowfall days, and 40mm (1.57") of snow is accumulated.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 7:43 am and sunset at 3:42 pm. On the last day of December, sunrise is at 8:05 am and sunset at 3:48 pm GMT.
Sunshine
In Rollesby, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Rollesby are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Rollesby?
What is the most humid month in Rollesby?
What is the average humidity in December in Rollesby?
How much does it rain in Rollesby in December?
How many days does it snow in December in Rollesby?
What is the month with the shortest days in Rollesby?
What is the average length of the day in December in Rollesby?
What time are sunrise and sunset in December in Rollesby?
How long on average sun shines in December in Rollesby?
What are the months with the lowest UV index in Rollesby?
What is the UV index intensity in December in Rollesby?
Average temperature in December
Rollesby, United Kingdom
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (6.7°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (4.3°C).
Average pressure in December
Rollesby, United Kingdom
- Average pressure in December: 1013.1mbar
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
Rollesby, United Kingdom
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (17.1km/h).
Average humidity in December
Rollesby, United Kingdom
- Average humidity in December: 83%
The months with the highest relative humidity are January, June and December (83%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Rollesby, United Kingdom
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is October (42mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Rollesby, United Kingdom
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (12 days).
Average snowfall in December
Rollesby, United Kingdom
- Average snowfall in December: 4mm
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
Rollesby, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.2 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
Rollesby, 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 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in December
Rollesby, United Kingdom
- Average sunshine days in December: 9.8 days
The months with the most sunshine days are March and April (15.3 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in December
Rollesby, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rollesby, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Rollesby, 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).
