December weather forecast
Andover, NY

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Weather in December

The first month of the winter, December, is still a cold month in Andover, New York, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 33.3°F (0.7°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 43.5°F (6.4°C) to a cold 33.3°F (0.7°C). Andover's average low-temperature for the month of December records at a subzero cold 23.9°F (-4.5°C).

Humidity

January, February and December, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Andover, during December, the rain falls for 9.7 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Andover, New York, there are 158 rainfall days, and 23.5" (597mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Andover. In Andover, in December, during 16.4 snowfall days, 6.5" (165mm) of snow is typically accumulated. In Andover, during the entire year, snow falls for 87.8 days and aggregates up to 35.83" (910mm) of snow.

Daylight

December has the shortest days of the year in Andover, New York, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:40 pm. On the last day of December, in Andover, sunrise is at 7:39 am and sunset at 4:49 pm EST.

Sunshine

In December, the average sunshine is 2.8h.

UV index

The months with the lowest UV index in Andover are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

How cold is it in Andover in December?

An average high-temperature, in December, in Andover, is 33.3°F (0.7°C) and the average low-temperature is 23.9°F (-4.5°C).

What is the most humid month in Andover?

January, February and December, with an average relative humidity of 87%, are most humid months in Andover, New York.

What is the average humidity in December in Andover?

The average relative humidity in December in Andover, New York, is 87%.

How much does it rain in Andover in December?

In December, in Andover, New York, the rain falls for 9.7 days. Throughout December, 2.01" (51mm) of precipitation is accumulated.

How much does it snow in Andover in December?

In Andover, New York, in December, snow falls for 16.4 days, with typically accumulated 6.5" (165mm) of snow.

What is the month with the shortest days in Andover?

December has the shortest days of the year in Andover, with an average of 9h and 12min of daylight.

How many hours of daylight does Andover have in December?

The average day length in December in Andover, New York, is 9h and 10min.

When are sunrise and sunset in December in Andover?

On the first day of December, sunrise is at 7:20 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:49 pm EST.

How many hours of sunshine does Andover have in December?

In December, the average sunshine duration is 2.8h.

What is the month with the lowest UV index in Andover?

The months with the lowest UV index in Andover, New York, are January, February and December, with an average maximum UV index of 1.

What is the UV index reading in December in Andover?

The average daily maximum UV index in December in Andover, New York, is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Andover, NY

Average temperature in December - Andover, NY
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in December
Andover, NY

Average pressure in December - Andover, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Andover, NY

Average wind speed in December - Andover, NY
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in December
Andover, NY

Average humidity in December - Andover, NY
  • Average humidity in December: 87%

The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in December
Andover, NY

Average rainfall in December - Andover, NY
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in December
Andover, NY

Average rainfall days in December - Andover, NY
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Andover, NY

Average snowfall in December - Andover, NY
  • Average snowfall in December: 6.5"

The month with the highest snowfall is February (7.32").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Andover, NY

Average snowfall days in December - Andover, NY
  • Average snowfall days in December: 16.4 days

The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Andover, NY

Average daylight in December / Average sunshine in December - Andover, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in December
Andover, NY

Average sunshine days in December - Andover, NY
  • Average sunshine days in December: 7.9 days

The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is February (6.4 days).

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Average UV index in December
Andover, NY

Average UV index in December - Andover, NY
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in December
Andover, NY

Average cloud cover in December - Andover, NY
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in December
Andover, NY

Average visibility in December - Andover, NY
  • Average visibility in December: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).

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Andover, New York, USA

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