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 a still chilly 6.6°C (43.9°F) from November's 8.5°C (47.3°F) in Castle Douglas's average high-temperatures. During December, nights in Castle Douglas cool slightly to an average low of 3°C (37.4°F).Humidity
January, August, September, November and December, with an average relative humidity of 88%, are the most humid months in Castle Douglas.Rainfall
In Castle Douglas, United Kingdom, in December, during 21 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Castle Douglas, United Kingdom, during the entire year, the rain falls for 215.5 days and collects up to 614mm (24.17") of precipitation.Snowfall
Months with snowfall in Castle Douglas are January through March, November and December. In December, it is snowing for 1.2 days. Throughout December, 9mm (0.35") of snow is accumulated. Throughout the year, in Castle Douglas, United Kingdom, there are 9.4 snowfall days, and 59mm (2.32") of snow is accumulated.Daylight
December has the shortest days of the year in Castle Douglas, with an average of 7h and 18min of daylight.On the first day of the month, sunrise is at 8:17 am and sunset at 3:52 pm. On the last day of December, sunrise is at 8:40 am and sunset at 3:57 pm GMT.
Sunshine
In December, the average sunshine is 3.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
Is December cold in Castle Douglas?
What are the most humid months in Castle Douglas?
What is the average humidity in December in Castle Douglas?
How much does it rain in Castle Douglas in December?
How much does it snow in Castle Douglas in December?
What is the month with the shortest days in Castle Douglas?
What is the average length of the day in December in Castle Douglas?
What time are sunrise and sunset in December in Castle Douglas?
How many hours of sunshine does Castle Douglas have in December?
What is the month with the lowest UV index in Castle Douglas?
How high is the UV index in December in Castle Douglas?
Average temperature in December
Castle Douglas, United Kingdom
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (10.9°C).
The coldest months (with the lowest average low temperature) are January and February (2.3°C).
Average pressure in December
Castle Douglas, United Kingdom
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.5mbar).
Average wind speed in December
Castle Douglas, United Kingdom
- Average wind speed in December: 21.3km/h
The windiest month (with the highest average wind speed) is December (21.3km/h).
The calmest month (with the lowest average wind speed) is July (13.5km/h).
Average humidity in December
Castle Douglas, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, August, September, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Castle Douglas, United Kingdom
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Castle Douglas, United Kingdom
- Average rainfall days in December: 21 days
The month with the highest number of rainy days is December (21 days).
The month with the least rainy days is April (14.8 days).
Average snowfall in December
Castle Douglas, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Castle Douglas, United Kingdom
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (3.4 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
Castle Douglas, United Kingdom
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is May (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Castle Douglas, United Kingdom
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is April (12.4 days).
The month with the least sunshine days is August (6.6 days).
Average UV index in December
Castle Douglas, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Castle Douglas, United Kingdom
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in December
Castle Douglas, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
Castle Douglas, United Kingdom
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