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 start of December marks an average high-temperature of a still chilly 6.2°C (43.2°F), hardly distinguishable from the conditions in November. Boston Spa's nighttime temperature in December shows a minor descent, with a steady average of 2.1°C (35.8°F).Humidity
January, November and December, with an average relative humidity of 89%, are the most humid months in Boston Spa, United Kingdom.Rainfall
In December, in Boston Spa, the rain falls for 5.5 days. Throughout December, 9mm (0.35") of precipitation is accumulated. In Boston Spa, during the entire year, the rain falls for 86.4 days and collects up to 137mm (5.39") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.2 snowfall days, it receives 4mm (0.16") of snow. In Boston Spa, during the entire year, snow falls for 8 days and aggregates up to 22mm (0.87") of snow.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year.On the first day of December in Boston Spa, sunrise is at 8:01 am and sunset at 3:48 pm. On the last day of the month, sunrise is at 8:23 am and sunset at 3:53 pm GMT.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boston Spa. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
Is December cold in Boston Spa?
What are the most humid months in Boston Spa?
What is the average humidity in December in Boston Spa?
How much does it rain in Boston Spa in December?
When does it start snowing in Boston Spa?
What is the month with the shortest days in Boston Spa?
What is the average length of the day in December in Boston Spa?
What time are sunrise and sunset in December in Boston Spa?
How long on average sun shines in December in Boston Spa?
When is the lowest UV index in Boston Spa?
What is the UV index intensity in December in Boston Spa?
Average temperature in December
Boston Spa, United Kingdom
- Average high temperature in December: 6.2°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.1°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Boston Spa, United Kingdom
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in December
Boston Spa, United Kingdom
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in December
Boston Spa, United Kingdom
- Average humidity in December: 89%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Boston Spa, United Kingdom
- Average rainfall in December: 9mm
The wettest month (with the highest rainfall) is June (18mm).
The driest month (with the least rainfall) is April (3mm).
Average rainfall days in December
Boston Spa, United Kingdom
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is September (5.2 days).
Average snowfall in December
Boston Spa, United Kingdom
- Average snowfall in December: 4mm
The months with the highest snowfall are January and February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Boston Spa, United Kingdom
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (3.1 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
Boston Spa, United Kingdom
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 7h and 30min).
The months with the least sunshine are February and November (Average sunshine: 4h and 6min).
Average sunshine days in December
Boston Spa, United Kingdom
- Average sunshine days in December: 23.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in December
Boston Spa, 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
Boston Spa, United Kingdom
- Average cloud cover in December: 54
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in December
Boston Spa, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, July, August and December (9km).
The months with the lowest visibility are June, September, October and November (8km).
Boston Spa, United Kingdom
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