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
The transition from November to December brings an average high-temperature of a still chilly 6.5°C (43.7°F), barely different from November's 9.2°C (48.6°F). Nighttime readings in Boothby Graffoe during December register a minimal drop from daytime highs, averaging at a wintry 2.6°C (36.7°F).Humidity
The most humid month in Boothby Graffoe is December, with an average relative humidity of 90%.Rainfall
In Boothby Graffoe, in December, it is raining for 12.2 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 158.5 rainfall days, and 307mm (12.09") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Boothby Graffoe. In Boothby Graffoe, United Kingdom, in December, snow falls for 1.5 days, with typically accumulated 10mm (0.39") of snow. Throughout the year, there are 11.8 snowfall days, and 67mm (2.64") of snow is accumulated.Daylight
December has the shortest days of the year in Boothby Graffoe, United Kingdom, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 7:53 am and sunset at 3:48 pm. On the last day of December, sunrise is at 8:16 am and sunset at 3:54 pm GMT.
Sunshine
In December, the average sunshine in Boothby Graffoe is 4.4h.UV index
January through March, 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 rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
Is it cold in Boothby Graffoe during December?
What is the most humid month in Boothby Graffoe?
What is the average humidity in December in Boothby Graffoe?
How many days does it rain in December in Boothby Graffoe?
How many days does it snow in December in Boothby Graffoe?
What is the month with the shortest days in Boothby Graffoe?
What is the average length of the day in December in Boothby Graffoe?
What time are sunrise and sunset in December in Boothby Graffoe?
How many hours of sunshine does Boothby Graffoe have in December?
What is the month with the lowest UV index in Boothby Graffoe?
What is the UV index reading in December in Boothby Graffoe?
Average temperature in December
Boothby Graffoe, United Kingdom
- Average high temperature in December: 6.5°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in December
Boothby Graffoe, United Kingdom
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in December
Boothby Graffoe, United Kingdom
- Average wind speed in December: 18.3km/h
The windiest months (with the highest average wind speed) are February and December (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in December
Boothby Graffoe, United Kingdom
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Boothby Graffoe, United Kingdom
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is June (37mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Boothby Graffoe, United Kingdom
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in December
Boothby Graffoe, United Kingdom
- Average snowfall in December: 10mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Boothby Graffoe, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (5 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
Boothby Graffoe, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Boothby Graffoe, United Kingdom
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Boothby Graffoe, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (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
Boothby Graffoe, United Kingdom
- Average cloud cover in December: 57
The months with the most cloud cover are February and November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in December
Boothby Graffoe, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
Boothby Graffoe, United Kingdom
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