December weather forecastArnside, United Kingdom
December
Weather in December
December, the first month of the winter in Arnside, is still a chilly month, with an average temperature varying between 4.1°C (39.4°F) and 7.4°C (45.3°F).Temperature
December's onset records an average high-temperature of a still frosty 7.4°C (45.3°F), a near match to November's 9.2°C (48.6°F). Arnside observes a slightly reduced average nighttime temperature of 4.1°C (39.4°F) during December.Humidity
The average relative humidity in December is 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 22.9 days and typically aggregates up to 113mm (4.45") of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.6 snowfall days, it receives 18mm (0.71") of snow. Throughout the year, in Arnside, there are 8.3 snowfall days, and 68mm (2.68") of snow is accumulated.Sea temperature
In Arnside, the average seawater temperature in December is 9.4°C (48.9°F).Note: Swimming in 9.4°C (48.9°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
The month with the shortest days in Arnside is December, with an average of 7h and 24min of daylight.On the first day of December, sunrise is at 8:08 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 8:31 am and sunset at 3:57 pm GMT.
Sunshine
The month with the least sunshine is December, with an average of 3.4h of sunshine.UV index
The months with the lowest UV index in Arnside, United Kingdom, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arnside, United Kingdom
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 4.1°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Arnside, United Kingdom
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in December
Arnside, United Kingdom
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is June (14.3km/h).
Average humidity in December
Arnside, United Kingdom
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Arnside, United Kingdom
- Average rainfall in December: 113mm
The wettest month (with the highest rainfall) is December (113mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in December
Arnside, United Kingdom
- Average rainfall days in December: 22.9 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is April (15.9 days).
Average snowfall in December
Arnside, United Kingdom
- Average snowfall in December: 18mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Arnside, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Arnside, United Kingdom
- Average sea temperature in December: 9.4°C
The best month for swimming (with the highest average sea temperature) is August (16.2°C).
The coldest month (with the lowest average sea temperature) is February (7.1°C).
Average daylight in December /
Average sunshine in December
Arnside, United Kingdom
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is April (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Arnside, United Kingdom
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (4.9 days).
Average UV index in December
Arnside, 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
Arnside, United Kingdom
- Average cloud cover in December: 65
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in December
Arnside, 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).
