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
The average high-temperature during December registers at a chilly 9.2°C (48.6°F), maintaining a close resemblance to the previous month. Registering an almost steady temperature, Southwick's nights in December see an average low of 5.8°C (42.4°F).Humidity
The months with the highest humidity in Southwick are January and December, with an average relative humidity of 85%.Rainfall
In Southwick, during December, the rain falls for 16.1 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 168.4 rainfall days, and 347mm (13.66") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Southwick, during December, snow falls for 0.7 days and regularly aggregates up to 2mm (0.08") of snow. Throughout the year, in Southwick, United Kingdom, there are 4.3 snowfall days, and 15mm (0.59") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:05 pm GMT.
Sunshine
The average sunshine in December is 4.4h.UV index
In Southwick, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the usual temperature for Southwick in December?
What is the most humid month in Southwick?
What is the average humidity in December in Southwick?
How much does it rain in Southwick in December?
How much does it snow in Southwick in December?
What is the month with the shortest days in Southwick?
How many hours of daylight does Southwick have in December?
When is the sunrise / sunset in December in Southwick?
How many hours of sunshine does Southwick have in December?
What is the UV index intensity in December in Southwick?
Average temperature in December
Southwick, United Kingdom
- Average high temperature in December: 9.2°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.6°C).
- Average low temperature in December: 5.8°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in December
Southwick, United Kingdom
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in December
Southwick, United Kingdom
- Average wind speed in December: 24.5km/h
The windiest month (with the highest average wind speed) is December (24.5km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).
Average humidity in December
Southwick, United Kingdom
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in December
Southwick, United Kingdom
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Southwick, United Kingdom
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in December
Southwick, United Kingdom
- Average snowfall in December: 2mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Southwick, United Kingdom
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Southwick, United Kingdom
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Southwick, United Kingdom
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in December
Southwick, United Kingdom
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Southwick, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in December
Southwick, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Southwick, United Kingdom
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