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
The onset of December brings with it an average high-temperature of a still frosty 6.9°C (44.4°F), showing a negligible variation from the month before. Swerford's December nights witness minimal differential from the daytime temperatures, with averages of 2.6°C (36.7°F).Humidity
With an average relative humidity of 91%, December is the most humid month.Rainfall
In Swerford, in December, it is raining for 10.8 days, with typically 17mm (0.67") of accumulated precipitation. In Swerford, United Kingdom, during the entire year, the rain falls for 139.2 days and collects up to 210mm (8.27") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, in Swerford, there are 9.6 snowfall days, and 23mm (0.91") 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 December in Swerford, sunrise is at 7:51 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 4:04 pm GMT.
Sunshine
In Swerford, the average sunshine in December is 4h.UV index
The months with the lowest UV index in Swerford are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Swerford in December?
What is the most humid month in Swerford?
What is the average humidity in December in Swerford?
How many days does it rain in December in Swerford?
When does it start to snow in Swerford?
What is the month with the shortest days in Swerford?
How many hours of daylight does Swerford have in December?
When is the sunrise / sunset in December in Swerford?
How many hours of sunshine does Swerford have in December?
What are the months with the lowest UV index in Swerford?
What is the UV index intensity in December in Swerford?
Average temperature in December
Swerford, United Kingdom
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Swerford, United Kingdom
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in December
Swerford, United Kingdom
- Average wind speed in December: 18.5km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Swerford, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).
Average rainfall in December
Swerford, United Kingdom
- Average rainfall in December: 17mm
The wettest months (with the highest rainfall) are June and August (25mm).
The driest months (with the least rainfall) are March and April (12mm).
Average rainfall days in December
Swerford, United Kingdom
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Swerford, United Kingdom
- Average snowfall in December: 5mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Swerford, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.9 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
Swerford, 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 48min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 7h and 18min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in December
Swerford, United Kingdom
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is March (17.6 days).
The month with the least sunshine days is August (11.6 days).
Average UV index in December
Swerford, 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
Swerford, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 53).
Average visibility in December
Swerford, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, July, August, October and December (9km).
The months with the lowest visibility are April, May, June, September and November (8km).
