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
December records an average high-temperature of a chilly 8.4°C (47.1°F), indicating a minor variation from the preceding month. In Henfynyw, nights during December observe an average temperature decrease to a wintry 5.3°C (41.5°F).Humidity
The months with the highest humidity in Henfynyw, United Kingdom, are January, August, September and December, with an average relative humidity of 86%.Rainfall
The wettest months are November and December, with an average 92mm (3.62") of rainfall.Snowfall
January through April and December are months with snowfall. The months with the most snowfall are January and December, with an average 9mm (0.35") of accumulated snow.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 8:04 am and sunset at 4:08 pm. On the last day of December, in Henfynyw, sunrise is at 8:26 am and sunset at 4:14 pm GMT.
Sunshine
The average sunshine in December is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Henfynyw. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Henfynyw in December?
What is the most humid month in Henfynyw?
What is the average humidity in December in Henfynyw?
What is the rainiest month in Henfynyw?
How much does it rain in Henfynyw in December?
When does it snow the most in Henfynyw?
When does it start to snow in Henfynyw?
What is the month with the shortest days in Henfynyw?
What is the average length of the day in December in Henfynyw?
What time are sunrise and sunset in December in Henfynyw?
How long on average sun shines in December in Henfynyw?
When is the lowest UV index in Henfynyw?
How high is the UV index in December in Henfynyw?
Average temperature in December
Henfynyw, United Kingdom
- Average high temperature in December: 8.4°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in December: 5.3°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in December
Henfynyw, United Kingdom
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in December
Henfynyw, United Kingdom
- Average wind speed in December: 23.8km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity in December
Henfynyw, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January, August, September and December (86%).
The month with the lowest relative humidity is April (82%).
Average rainfall in December
Henfynyw, United Kingdom
- Average rainfall in December: 92mm
The wettest months (with the highest rainfall) are November and December (92mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in December
Henfynyw, United Kingdom
- Average rainfall days in December: 21.7 days
The months with the highest number of rainy days are November and December (21.7 days).
The month with the least rainy days is April (15.8 days).
Average snowfall in December
Henfynyw, United Kingdom
- Average snowfall in December: 9mm
The months with the highest snowfall are January and December (9mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Henfynyw, United Kingdom
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (1.7 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
Henfynyw, 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 5min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Henfynyw, United Kingdom
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in December
Henfynyw, 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, November and December (UV index 2).
Average cloud cover in December
Henfynyw, United Kingdom
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in December
Henfynyw, 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).
