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
In December, Swaffham Prior experiences a minor shift in meteorological conditions with average high-temperatures marked at a still chilly 7°C (44.6°F), closely mirroring the climate in November. Swaffham Prior records a consistent average nighttime temperature of 3.1°C (37.6°F) in December, slightly lower than the daytime high.Humidity
The most humid month in Swaffham Prior is December, with an average relative humidity of 90%.Rainfall
In December, the rain falls for 14 days. Throughout December, 35mm (1.38") of precipitation is accumulated. In Swaffham Prior, during the entire year, the rain falls for 173.6 days and collects up to 381mm (15") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, in Swaffham Prior, it is snowing for 1.2 days. Throughout December, 11mm (0.43") of snow is accumulated. In Swaffham Prior, during the entire year, snow falls for 8.7 days and aggregates up to 54mm (2.13") of snow.Daylight
December has the shortest days of the year in Swaffham Prior, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 3:49 pm. On the last day of December, sunrise is at 8:08 am and sunset at 3:55 pm GMT.
Sunshine
In December, the average sunshine is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Swaffham Prior during December?
What is the most humid month in Swaffham Prior?
What is the average humidity in December in Swaffham Prior?
How many days does it rain in December in Swaffham Prior?
How much does it snow in Swaffham Prior in December?
What is the month with the shortest days in Swaffham Prior?
How many hours of daylight does Swaffham Prior have in December?
When are sunrise and sunset in December in Swaffham Prior?
How many hours of sunshine does Swaffham Prior have in December?
When is the lowest UV index in Swaffham Prior?
What is the UV index reading in December in Swaffham Prior?
Average temperature in December
Swaffham Prior, United Kingdom
- Average high temperature in December: 7°C
The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in December
Swaffham Prior, United Kingdom
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in December
Swaffham Prior, 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
Swaffham Prior, 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 (75%).
Average rainfall in December
Swaffham Prior, United Kingdom
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Swaffham Prior, United Kingdom
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Swaffham Prior, United Kingdom
- Average snowfall in December: 11mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Swaffham Prior, United Kingdom
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (3.3 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 Prior, 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: 4h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Swaffham Prior, United Kingdom
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Swaffham Prior, 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 Prior, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 48).
Average visibility in December
Swaffham Prior, 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).
