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
Ynysddu, United Kingdom, signifies an average high-temperature of a still chilly 7.8°C (46°F) in December, closely mirroring the 9.7°C (49.5°F) of November. Ynysddu maintains a near steady average temperature of 4.2°C (39.6°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In December, the rain falls for 16.8 days. Throughout December, 58mm (2.28") of precipitation is accumulated. In Ynysddu, during the entire year, the rain falls for 192.5 days and collects up to 549mm (21.61") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Ynysddu, United Kingdom, it is snowing for 1.4 days. Throughout December, 8mm (0.31") of snow is accumulated. Throughout the year, in Ynysddu, there are 7.9 snowfall days, and 48mm (1.89") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of December in Ynysddu, United Kingdom, sunrise is at 7:57 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 4:13 pm GMT.
Sunshine
In December, the average sunshine in Ynysddu is 4h.UV index
The months with the lowest UV index in Ynysddu are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Ynysddu?
What is the most humid month in Ynysddu?
What is the average humidity in December in Ynysddu?
How much does it rain in Ynysddu in December?
How many days does it snow in December in Ynysddu?
What is the month with the shortest days in Ynysddu?
What is the average length of the day in December in Ynysddu?
When are sunrise and sunset in December in Ynysddu?
How long on average sun shines in December in Ynysddu?
What are the months with the lowest UV index in Ynysddu?
What is the UV index intensity in December in Ynysddu?
Average temperature in December
Ynysddu, United Kingdom
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in December
Ynysddu, United Kingdom
- Average pressure in December: 1013.8mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in December
Ynysddu, United Kingdom
- Average wind speed in December: 20.5km/h
The windiest month (with the highest average wind speed) is February (21km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity in December
Ynysddu, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Ynysddu, United Kingdom
- Average rainfall in December: 58mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Ynysddu, United Kingdom
- Average rainfall days in December: 16.8 days
The month with the highest number of rainy days is November (19 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in December
Ynysddu, United Kingdom
- Average snowfall in December: 8mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ynysddu, United Kingdom
- Average snowfall days in December: 1.4 days
The months with the highest number of snowfall days are January and February (2.5 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
Ynysddu, 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: 4h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in December
Ynysddu, United Kingdom
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is April (12.9 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in December
Ynysddu, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (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
Ynysddu, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in December
Ynysddu, 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).
