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
The advent of December observes an average high-temperature of a still chilly 7.5°C (45.5°F), nearly identical to November's 9.6°C (49.3°F). Old Boston's nighttime temperatures in December display a slight drop from daytime highs, averaging to a cold 3.9°C (39°F).Humidity
The months with the highest humidity in Old Boston are January and December, with an average relative humidity of 86%.Rainfall
December is the month with the most rainfall. Rain falls for 18.4 days and accumulates 59mm (2.32") of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, in Old Boston, it is snowing for 1.4 days. Throughout December, 14mm (0.55") of snow is accumulated. Throughout the year, there are 6.4 snowfall days, and 58mm (2.28") of snow is accumulated.Daylight
The month with the shortest days in Old Boston is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 8:04 am and sunset at 3:55 pm. On the last day of December, in Old Boston, sunrise is at 8:26 am and sunset at 4:01 pm GMT.
Sunshine
The months with the least sunshine in Old Boston are January, February, November and December, with an average of 3.9h of sunshine.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 minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What are December temperatures in Old Boston?
What is the most humid month in Old Boston?
What is the average humidity in December in Old Boston?
What is the rainiest month in Old Boston?
How much does it rain in Old Boston in December?
How much does it snow in Old Boston in December?
What is the month with the shortest days in Old Boston?
How many hours of daylight does Old Boston have in December?
What time are sunrise and sunset in December in Old Boston?
What is the month with the least sunshine in Old Boston?
How long on average sun shines in December in Old Boston?
When is the lowest UV index in Old Boston?
What is the UV index intensity in December in Old Boston?
Average temperature in December
Old Boston, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in December: 3.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in December
Old Boston, United Kingdom
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in December
Old Boston, United Kingdom
- Average wind speed in December: 18.2km/h
The windiest months (with the highest average wind speed) are January and February (18.5km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in December
Old Boston, 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 May (77%).
Average rainfall in December
Old Boston, United Kingdom
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Old Boston, United Kingdom
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is March (14 days).
Average snowfall in December
Old Boston, United Kingdom
- Average snowfall in December: 14mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Old Boston, United Kingdom
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.3 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
Old Boston, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are April and May (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Old Boston, United Kingdom
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is August (7.4 days).
Average UV index in December
Old Boston, 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
Old Boston, United Kingdom
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in December
Old Boston, 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).
Old Boston, United Kingdom
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