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
Swayfield's shift into December sets the average high-temperature at a still frosty 6.6°C (43.9°F), a figure that deviates only slightly from November's 9.2°C (48.6°F). December nights anticipate an average temperature of 2.5°C (36.5°F), a modest decline from the daytime.Humidity
With an average relative humidity of 90%, December is the most humid month.Rainfall
In Swayfield, during December, the rain falls for 11.5 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, there are 152.3 rainfall days, and 262mm (10.31") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Swayfield, during December, snow falls for 1.6 days and regularly aggregates up to 4mm (0.16") of snow. Throughout the year, there are 8.8 snowfall days, and 42mm (1.65") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 3:50 pm. On the last day of December, sunrise is at 8:14 am and sunset at 3:56 pm GMT.
Sunshine
In December, the average sunshine is 4.4h.UV index
The months with the lowest UV index in Swayfield are January, February, 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 exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Swayfield have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Swayfield, United Kingdom
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in December
Swayfield, United Kingdom
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Swayfield, United Kingdom
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Swayfield, United Kingdom
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Swayfield, United Kingdom
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is June (37mm).
The driest months (with the least rainfall) are March and April (15mm).
Average rainfall days in December
Swayfield, United Kingdom
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Swayfield, United Kingdom
- Average snowfall in December: 4mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Swayfield, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.1 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
Swayfield, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Swayfield, United Kingdom
- Average sunshine days in December: 15.9 days
The months with the most sunshine days are October and December (15.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Swayfield, United Kingdom
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Swayfield, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in December
Swayfield, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
