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 transition from November to December sees average high-temperatures adjusting to a still frosty 6.7°C (44.1°F), from a not significantly different 8.6°C (47.5°F). In Trecastle, the December nights are characterized by an average low-temperature of 2.8°C (37°F), a minor dip from daytime readings.Humidity
The most humid month in Trecastle is December, with an average relative humidity of 92%.Rainfall
In Trecastle, in December, during 15 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Trecastle, during the entire year, the rain falls for 165.1 days and collects up to 406mm (15.98") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Trecastle, United Kingdom, in December, snow falls for 2.1 days, with typically accumulated 20mm (0.79") of snow. In Trecastle, during the entire year, snow falls for 14.6 days and aggregates up to 137mm (5.39") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December in Trecastle, sunrise is at 8:00 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 4:13 pm GMT.
Sunshine
The average sunshine in December is 3.2h.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Trecastle during December?
What is the most humid month in Trecastle?
What is the average humidity in December in Trecastle?
How much does it rain in Trecastle in December?
How many days does it snow in December in Trecastle?
What is the month with the shortest days in Trecastle?
What is the average length of the day in December in Trecastle?
When is the sunrise / sunset in December in Trecastle?
How long on average sun shines in December in Trecastle?
What are the months with the lowest UV index in Trecastle?
What is the UV index intensity in December in Trecastle?
Average temperature in December
Trecastle, United Kingdom
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in December
Trecastle, United Kingdom
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Trecastle, United Kingdom
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).
Average humidity in December
Trecastle, United Kingdom
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in December
Trecastle, United Kingdom
- Average rainfall in December: 44mm
The wettest months (with the highest rainfall) are June and November (45mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Trecastle, United Kingdom
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in December
Trecastle, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is November (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Trecastle, United Kingdom
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (4.8 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
Trecastle, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 1min
The months with the most sunshine are April and May (Average sunshine: 6h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Trecastle, United Kingdom
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Trecastle, 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
Trecastle, United Kingdom
- Average cloud cover in December: 70
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in December
Trecastle, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February and March (9km).
The month with the lowest visibility is August (7km).
