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 reports an average high-temperature of a still frosty 7°C (44.6°F), slightly varied from November's 9.4°C (48.9°F). Keyston's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a cold 2.7°C (36.9°F).Humidity
With an average relative humidity of 91%, December is the most humid month in Keyston.Rainfall
In Keyston, during December, the rain falls for 12.5 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 162.5 rainfall days, and 339mm (13.35") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Keyston, during December, snow falls for 1.7 days and regularly aggregates up to 11mm (0.43") of snow. In Keyston, during the entire year, snow falls for 9.9 days and aggregates up to 58mm (2.28") of snow.Daylight
The month with the shortest days in Keyston is December, with an average of 7h and 48min of daylight.On the first day of December in Keyston, sunrise is at 7:49 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 3:58 pm GMT.
Sunshine
The average sunshine in December in Keyston is 4.3h.UV index
The months with the lowest UV index in Keyston are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Keyston in December?
What is the most humid month in Keyston?
What is the average humidity in December in Keyston?
How much does it rain in Keyston in December?
How many days does it snow in December in Keyston?
What is the month with the shortest days in Keyston?
How many hours of daylight does Keyston have in December?
What time are sunrise and sunset in December in Keyston?
How long on average sun shines in December in Keyston?
What are the months with the lowest UV index in Keyston?
How high is the UV index in December in Keyston?
Average temperature in December
Keyston, United Kingdom
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Keyston, United Kingdom
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in December
Keyston, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in December
Keyston, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Keyston, United Kingdom
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Keyston, United Kingdom
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Keyston, United Kingdom
- Average snowfall in December: 11mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Keyston, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (3.7 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
Keyston, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- 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
Keyston, United Kingdom
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Keyston, United Kingdom
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Keyston, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in December
Keyston, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
