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
Ysbyty Ystwyth's transition from November to December introduces an average high-temperature of a still chilly 7.5°C (45.5°F), marking an insignificant variation from the 9.3°C (48.7°F). The December nights show a slight decrease to a mean low-temperature of 4.1°C (39.4°F).Humidity
The months with the highest humidity are January, August through December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall in Ysbyty Ystwyth is December, when the rain falls for 20.1 days and typically aggregates up to 93mm (3.66") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Ysbyty Ystwyth, during December, snow falls for 1.8 days and regularly aggregates up to 20mm (0.79") of snow. Throughout the year, there are 9.7 snowfall days, and 96mm (3.78") of snow is accumulated.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:03 am and sunset at 4:06 pm. On the last day of December, sunrise is at 8:25 am and sunset at 4:12 pm GMT.
Sunshine
January and December, with an average of 3.5h of sunshine, are months with the least sunshine in Ysbyty Ystwyth, United Kingdom.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Ysbyty Ystwyth?
What are the most humid months in Ysbyty Ystwyth?
What is the average humidity in December in Ysbyty Ystwyth?
What is the wettest month in Ysbyty Ystwyth?
How much does it rain in Ysbyty Ystwyth in December?
How many days does it snow in December in Ysbyty Ystwyth?
What is the month with the shortest days in Ysbyty Ystwyth?
What is the average length of the day in December in Ysbyty Ystwyth?
When are sunrise and sunset in December in Ysbyty Ystwyth?
What is the month with the least sunshine in Ysbyty Ystwyth?
How long on average sun shines in December in Ysbyty Ystwyth?
When is the lowest UV index in Ysbyty Ystwyth?
What is the UV index intensity in December in Ysbyty Ystwyth?
Average temperature in December
Ysbyty Ystwyth, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 4.1°C
The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in December
Ysbyty Ystwyth, United Kingdom
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in December
Ysbyty Ystwyth, 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 June (13.5km/h).
Average humidity in December
Ysbyty Ystwyth, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, August, September, October, November and December (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in December
Ysbyty Ystwyth, United Kingdom
- Average rainfall in December: 93mm
The wettest month (with the highest rainfall) is December (93mm).
The driest month (with the least rainfall) is May (38mm).
Average rainfall days in December
Ysbyty Ystwyth, United Kingdom
- Average rainfall days in December: 20.1 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is February (14.4 days).
Average snowfall in December
Ysbyty Ystwyth, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ysbyty Ystwyth, United Kingdom
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (2.9 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
Ysbyty Ystwyth, 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 3min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in December
Ysbyty Ystwyth, United Kingdom
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is March (11.8 days).
The month with the least sunshine days is August (7 days).
Average UV index in December
Ysbyty Ystwyth, 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
Ysbyty Ystwyth, United Kingdom
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in December
Ysbyty Ystwyth, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
