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
The average high-temperature is a wintry 5°C (41°F) in December, hardly different from the 7.4°C (45.3°F) recorded in November. During December, Grassington perceives a slight decrease in temperature from daytime highs, settling at an average low of 1.4°C (34.5°F).Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months.Rainfall
In Grassington, during December, the rain falls for 11.6 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 155.8 rainfall days, and 414mm (16.3") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Grassington. In Grassington, in December, during 6.6 snowfall days, 47mm (1.85") of snow is typically accumulated. Throughout the year, in Grassington, there are 38.8 snowfall days, and 357mm (14.06") of snow is accumulated.Daylight
December has the shortest days of the year in Grassington, with an average of 7h and 30min of daylight.On the first day of December, sunrise is at 8:04 am and sunset at 3:49 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 3:55 pm GMT.
Sunshine
In Grassington, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Grassington?
What are the most humid months in Grassington?
What is the average humidity in December in Grassington?
How many days does it rain in December in Grassington?
How much does it snow in Grassington in December?
What is the month with the shortest days in Grassington?
What is the average length of the day in December in Grassington?
When is the sunrise / sunset in December in Grassington?
How many hours of sunshine does Grassington have in December?
When is the lowest UV index in Grassington?
How high is the UV index in December in Grassington?
Average temperature in December
Grassington, United Kingdom
- Average high temperature in December: 5°C
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: 1.4°C
The month with the highest average low temperature is August (10°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in December
Grassington, United Kingdom
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).
Average wind speed in December
Grassington, United Kingdom
- Average wind speed in December: 19.3km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).
Average humidity in December
Grassington, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Grassington, United Kingdom
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is November (46mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Grassington, United Kingdom
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Grassington, United Kingdom
- Average snowfall in December: 47mm
The month with the highest snowfall is March (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grassington, United Kingdom
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grassington, United Kingdom
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 0min).
Average sunshine days in December
Grassington, United Kingdom
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Grassington, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Grassington, United Kingdom
- Average cloud cover in December: 69
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in December
Grassington, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
