December weather forecastPostwick, United Kingdom
December
Weather in December
December, the first month of the winter in Postwick, is still a chilly month, with an average temperature varying between 7.5°C (45.5°F) and 4.3°C (39.7°F).Temperature
December's onset sees an average high-temperature of a chilly 7.5°C (45.5°F), exhibiting a slight fluctuation from the previous month. Throughout December, Postwick observes a steady low-temperature average of 4.3°C (39.7°F), reflecting a minor dip from daytime highs.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In Postwick, United Kingdom, in December, it is raining for 15.5 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 169.3 rainfall days, and 297mm (11.69") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Postwick, in December, during 2 snowfall days, 6mm (0.24") of snow is typically accumulated. Throughout the year, in Postwick, there are 11.5 snowfall days, and 46mm (1.81") of snow is accumulated.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of December in Postwick, sunrise is at 7:43 am and sunset at 3:43 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 3:49 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Postwick, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in December
Postwick, United Kingdom
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in December
Postwick, United Kingdom
- Average wind speed in December: 22.2km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in December
Postwick, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Postwick, United Kingdom
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Postwick, United Kingdom
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in December
Postwick, United Kingdom
- Average snowfall in December: 6mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Postwick, United Kingdom
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (4.4 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
Postwick, United Kingdom
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Postwick, United Kingdom
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Postwick, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and 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
Postwick, United Kingdom
- Average cloud cover in December: 58
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Postwick, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, August, September, October and November (10km).
The months with the lowest visibility are January, February, June, July and December (9km).
