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 shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 48.4°F (9.1°C) to a wintry 38.3°F (3.5°C). During December, Andover records a consistent average nighttime temperature of 27.5°F (-2.5°C).Humidity
The average relative humidity in December in Andover is 77%.Rainfall
The month with the most rainfall in Andover is December, when the rain falls for 10.7 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Andover. In Andover, in December, during 5.5 snowfall days, 4.65" (118mm) of snow is typically accumulated. In Andover, during the entire year, snow falls for 31.4 days and aggregates up to 20.39" (518mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Andover.On the first day of December in Andover, sunrise is at 6:55 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:21 pm EST.
Sunshine
In Andover, the average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Andover. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is it in Andover in December?
What is the average humidity in December in Andover?
What is the rainiest month in Andover?
How many days does it rain in December in Andover?
How much does it snow in Andover in December?
What is the month with the shortest days in Andover?
How many hours of daylight does Andover have in December?
When are sunrise and sunset in December in Andover?
How many hours of sunshine does Andover have in December?
What are the months with the lowest UV index in Andover?
What is the UV index intensity in December in Andover?
Average temperature in December
Andover, MA
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Andover, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Andover, MA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Andover, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Andover, MA
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Andover, MA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Andover, MA
- Average snowfall in December: 4.65"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Andover, MA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Andover, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Andover, MA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
Andover, MA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Andover, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Andover, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Andover, Massachusetts, USA
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