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
In December, Glascwm experiences a minor shift in meteorological conditions with average high-temperatures marked at a still chilly 6.4°C (43.5°F), closely mirroring the climate in November. Glascwm documents a consistent average low-temperature of 2.2°C (36°F) at night during December.Humidity
The months with the highest humidity in Glascwm are January, November and December, with an average relative humidity of 92%.Rainfall
In Glascwm, during December, the rain falls for 17.4 days and regularly aggregates up to 51mm (2.01") of precipitation. In Glascwm, United Kingdom, during the entire year, the rain falls for 192.1 days and collects up to 471mm (18.54") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 2.7 days. Throughout December, 17mm (0.67") of snow is accumulated. In Glascwm, United Kingdom, during the entire year, snow falls for 17.1 days and aggregates up to 120mm (4.72") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 8:00 am and sunset at 4:04 pm. On the last day of December, sunrise is at 8:21 am and sunset at 4:10 pm GMT.
Sunshine
In December, the average sunshine is 3.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Glascwm?
What is the most humid month in Glascwm?
What is the average humidity in December in Glascwm?
How much does it rain in Glascwm in December?
How much does it snow in Glascwm in December?
What is the month with the shortest days in Glascwm?
What is the average length of the day in December in Glascwm?
When are sunrise and sunset in December in Glascwm?
How long on average sun shines in December in Glascwm?
What are the months with the lowest UV index in Glascwm?
How high is the UV index in December in Glascwm?
Average temperature in December
Glascwm, United Kingdom
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure in December
Glascwm, United Kingdom
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in December
Glascwm, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in December
Glascwm, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in December
Glascwm, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Glascwm, United Kingdom
- Average rainfall days in December: 17.4 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in December
Glascwm, United Kingdom
- Average snowfall in December: 17mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Glascwm, United Kingdom
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glascwm, 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: 3h and 1min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days in December
Glascwm, United Kingdom
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in December
Glascwm, 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
Glascwm, United Kingdom
- Average cloud cover in December: 69
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility in December
Glascwm, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
