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
With December's advent, Swanmore sees an average high-temperature of a frosty 8.2°C (46.8°F), subtly shifted from November's 10.5°C (50.9°F). Swanmore's nocturnal average in December closely mirrors its daytime temperatures, settling at a cold 3.7°C (38.7°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months in Swanmore.Rainfall
The month with the most rainfall is December, when the rain falls for 15.7 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
January through March, November and December are months with snowfall in Swanmore, United Kingdom. In Swanmore, in December, during 1.1 snowfall days, 7mm (0.28") of snow is typically accumulated. Throughout the year, in Swanmore, there are 6.9 snowfall days, and 39mm (1.54") of snow is accumulated.Daylight
December has the shortest days of the year in Swanmore, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 4:01 pm. On the last day of December, sunrise is at 8:07 am and sunset at 4:08 pm GMT.
Sunshine
In Swanmore, the average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Swanmore in December?
What is the most humid month in Swanmore?
What is the average humidity in December in Swanmore?
What is the rainiest month in Swanmore?
How much does it rain in Swanmore in December?
How much does it snow in Swanmore in December?
What is the month with the shortest days in Swanmore?
What is the average length of the day in December in Swanmore?
What time are sunrise and sunset in December in Swanmore?
How long on average sun shines in December in Swanmore?
When is the lowest UV index in Swanmore?
How high is the UV index in December in Swanmore?
Average temperature in December
Swanmore, United Kingdom
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in December: 3.7°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in December
Swanmore, United Kingdom
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in December
Swanmore, United Kingdom
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in December
Swanmore, United Kingdom
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Swanmore, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Swanmore, United Kingdom
- Average rainfall days in December: 15.7 days
The month with the highest number of rainy days is November (17.7 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in December
Swanmore, United Kingdom
- Average snowfall in December: 7mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Swanmore, United Kingdom
- Average snowfall days in December: 1.1 days
The months with the highest number of snowfall days are January and February (2.2 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
Swanmore, United Kingdom
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Swanmore, United Kingdom
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in December
Swanmore, 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
Swanmore, United Kingdom
- Average cloud cover in December: 61
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are July and September (Cloud cover 50).
Average visibility in December
Swanmore, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July and August (9km).
The months with the lowest visibility are January, September, October, November and December (8km).
Swanmore, United Kingdom
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