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
The average high-temperature is a still chilly 6.1°C (43°F) in December, hardly different from the 8.7°C (47.7°F) recorded in November. The temperature during December nights demonstrates a small drop from the daytime highs, settling to an average of 2.2°C (36°F).Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 88%.Rainfall
In Swainby, during December, the rain falls for 11.9 days and regularly aggregates up to 22mm (0.87") of precipitation. In Swainby, during the entire year, the rain falls for 167.8 days and collects up to 343mm (13.5") of precipitation.Snowfall
Months with snowfall in Swainby are January through April, November and December. In Swainby, in December, during 1.5 snowfall days, 9mm (0.35") of snow is typically accumulated. In Swainby, during the entire year, snow falls for 11.7 days and aggregates up to 66mm (2.6") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 24min of daylight.On the first day of December in Swainby, sunrise is at 8:03 am and sunset at 3:44 pm. On the last day of the month, sunrise is at 8:26 am and sunset at 3:50 pm GMT.
Sunshine
In Swainby, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Swainby are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Swainby in December?
What is the most humid month in Swainby?
What is the average humidity in December in Swainby?
How many days does it rain in December in Swainby?
How much does it snow in Swainby in December?
What is the month with the shortest days in Swainby?
How many hours of daylight does Swainby have in December?
When are sunrise and sunset in December in Swainby?
How long on average sun shines in December in Swainby?
What is the month with the lowest UV index in Swainby?
What is the UV index reading in December in Swainby?
Average temperature in December
Swainby, United Kingdom
- Average high temperature in December: 6.1°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Swainby, United Kingdom
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
Swainby, United Kingdom
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest months (with the lowest average wind speed) are June and July (12.8km/h).
Average humidity in December
Swainby, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Swainby, United Kingdom
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Swainby, United Kingdom
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in December
Swainby, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Swainby, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Swainby, United Kingdom
- Average daylight in December: 7h and 2min
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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Swainby, United Kingdom
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Swainby, 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, March, November and December (UV index 2).
Average cloud cover in December
Swainby, United Kingdom
- Average cloud cover in December: 52
The months with the most cloud cover are February and November (Cloud cover 58).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in December
Swainby, 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).
