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
Weather in December
Temperature
Swaffham observes a minor difference in average high-temperatures between November's 10°C (50°F) and December's 7.1°C (44.8°F). December registers an average low temperature of 3.7°C (38.7°F), subtly lower than the daytime maximum.Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
In December, in Swaffham, the rain falls for 13.7 days. Throughout December, 31mm (1.22") of precipitation is accumulated. In Swaffham, United Kingdom, during the entire year, the rain falls for 173.5 days and collects up to 370mm (14.57") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Swaffham, in December, snow falls for 1.6 days, with typically accumulated 7mm (0.28") of snow. Throughout the year, in Swaffham, there are 10.4 snowfall days, and 55mm (2.17") of snow is accumulated.Daylight
The month with the shortest days in Swaffham is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 3:46 pm. On the last day of December, sunrise is at 8:08 am and sunset at 3:52 pm GMT.
Sunshine
In December, the average sunshine in Swaffham is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Swaffham. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Swaffham in December?
What is the most humid month in Swaffham?
What is the average humidity in December in Swaffham?
How many days does it rain in December in Swaffham?
How many days does it snow in December in Swaffham?
What is the month with the shortest days in Swaffham?
How many hours of daylight does Swaffham have in December?
When is the sunrise / sunset in December in Swaffham?
How many hours of sunshine does Swaffham have in December?
What is the month with the lowest UV index in Swaffham?
What is the UV index intensity in December in Swaffham?
Average temperature in December
Swaffham, United Kingdom
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is August (20.4°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in December: 3.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in December
Swaffham, United Kingdom
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in December
Swaffham, United Kingdom
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (13.5km/h).
Average humidity in December
Swaffham, United Kingdom
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Swaffham, United Kingdom
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Swaffham, United Kingdom
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Swaffham, United Kingdom
- Average snowfall in December: 7mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Swaffham, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (4 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
Swaffham, 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 month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Swaffham, United Kingdom
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Swaffham, 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
Swaffham, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 45).
Average visibility in December
Swaffham, United Kingdom
- Average visibility in December: 9km
The month with the highest visibility is March (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).
Swaffham, United Kingdom
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