December weather forecastBletchley, United Kingdom
December
Weather in December
December, the first month of the winter in Bletchley, is also a frosty month, with an average temperature varying between 2.7°C (36.9°F) and 7.2°C (45°F).Temperature
Entering December, Bletchley's average high-temperature reads a still frosty 7.2°C (45°F), indicating a close resemblance to the previous month's climate. Recording a slight drop from the daily maximum, Bletchley notes an average low temperature of 2.7°C (36.9°F) in the month of December.Humidity
December is the most humid month in Bletchley, with an average relative humidity of 91%.Rainfall
In Bletchley, in December, it is raining for 12.7 days, with typically 23mm (0.91") of accumulated precipitation. In Bletchley, United Kingdom, during the entire year, the rain falls for 156.4 days and collects up to 277mm (10.91") of precipitation.Snowfall
Months with snowfall are January through April and December. December is the first month it typically snows. Throughout December, in the average 1.3 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, in Bletchley, there are 7.5 snowfall days, and 28mm (1.1") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of December in Bletchley, sunrise is at 7:49 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:01 pm GMT.
Sunshine
In Bletchley, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bletchley. 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: In December, a regular UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bletchley, United Kingdom
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Bletchley, United Kingdom
- Average pressure in December: 1013.8mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in December
Bletchley, United Kingdom
- Average wind speed in December: 18.7km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Bletchley, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Bletchley, United Kingdom
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in December
Bletchley, United Kingdom
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Bletchley, United Kingdom
- Average snowfall in December: 5mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Bletchley, United Kingdom
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (2.7 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
Bletchley, United Kingdom
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Bletchley, United Kingdom
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is March (16.5 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in December
Bletchley, 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
Bletchley, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 51).
Average visibility in December
Bletchley, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
