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 brings a marginal elevation to an icy 5.1°C (41.2°F) from November's 7.4°C (45.3°F) in Castlecary's average high-temperatures. Castlecary's nighttime temperatures in December settle close to daytime highs at an average of 1.3°C (34.3°F).Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 90%.Rainfall
In December, the rain falls for 18.1 days. Throughout December, 62mm (2.44") of precipitation is accumulated. In Castlecary, during the entire year, the rain falls for 218.7 days and collects up to 617mm (24.29") of precipitation.Snowfall
Months with snowfall in Castlecary are January through April, November and December. In Castlecary, in December, snow falls for 3.1 days, with typically accumulated 29mm (1.14") of snow. In Castlecary, during the entire year, snow falls for 17.1 days and aggregates up to 154mm (6.06") of snow.Daylight
With an average of 7h and 6min of daylight, December has the shortest days of the year in Castlecary, United Kingdom.On the first day of the month, sunrise is at 8:23 am and sunset at 3:46 pm. On the last day of December, in Castlecary, United Kingdom, sunrise is at 8:46 am and sunset at 3:51 pm GMT.
Sunshine
In Castlecary, the average sunshine in December is 3.8h.UV index
In December, the average daily maximum UV index in Castlecary is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Castlecary in December?
What are the most humid months in Castlecary?
What is the average humidity in December in Castlecary?
How much does it rain in Castlecary in December?
How much does it snow in Castlecary in December?
What is the month with the shortest days in Castlecary?
What is the average length of the day in December in Castlecary?
When are sunrise and sunset in December in Castlecary?
How many hours of sunshine does Castlecary have in December?
How high is the UV index in December in Castlecary?
Average temperature in December
Castlecary, United Kingdom
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (0.9°C).
Average pressure in December
Castlecary, United Kingdom
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in December
Castlecary, United Kingdom
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is January (17.4km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in December
Castlecary, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (82%).
Average rainfall in December
Castlecary, United Kingdom
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Castlecary, United Kingdom
- Average rainfall days in December: 18.1 days
The month with the highest number of rainy days is August (21.6 days).
The month with the least rainy days is February (15.1 days).
Average snowfall in December
Castlecary, United Kingdom
- Average snowfall in December: 29mm
The month with the highest snowfall is February (55mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Castlecary, United Kingdom
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Castlecary, United Kingdom
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Castlecary, United Kingdom
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in December
Castlecary, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Castlecary, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is August (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Castlecary, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March and April (9km).
The month with the lowest visibility is September (7km).
Castlecary, United Kingdom
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