December weather forecast
Hanover, MA

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Weather in December

December, the first month of the winter in Hanover, is still a cold month, with an average temperature ranging between max 41.2°F (5.1°C) and min 31.8°F (-0.1°C).

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from a fresh 50°F (10°C) to a cold 41.2°F (5.1°C). Nighttime temperatures in Hanover consistently average a subzero cold 31.8°F (-0.1°C) during December.

Humidity

The average relative humidity in December in Hanover is 76%.

Rainfall

In Hanover, Massachusetts, in December, it is raining for 8.6 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 123.1 rainfall days, and 13.94" (354mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Hanover, in December, snow falls for 3.8 days, with typically accumulated 0.94" (24mm) of snow. In Hanover, during the entire year, snow falls for 22.1 days and aggregates up to 5.08" (129mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:12 pm. On the last day of December, in Hanover, Massachusetts, sunrise is at 7:11 am and sunset at 4:21 pm EST.

Sunshine

The months with the least sunshine in Hanover are February and December, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold is December in Hanover?

In December, the average high-temperature and low-temperature in Hanover are 41.2°F (5.1°C) and 31.8°F (-0.1°C) respectively.

What is the average humidity in December in Hanover?

In December, the average relative humidity in Hanover, Massachusetts, is 76%.

How much does it rain in Hanover in December?

In Hanover, in December, it is raining for 8.6 days, with typically 1.26" (32mm) of accumulated precipitation.

How much does it snow in Hanover in December?

In Hanover, Massachusetts, in December, snow falls for 3.8 days, with typically accumulated 0.94" (24mm) of snow.

What is the month with the shortest days in Hanover?

The month with the shortest days in Hanover is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Hanover?

The average day length in December in Hanover, Massachusetts, is 9h and 10min.

When are sunrise and sunset in December in Hanover?

On the first day of December, sunrise is at 6:52 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:21 pm EST.

What are the months with the least sunshine in Hanover?

February and December, with an average of 4.7h of sunshine, are months with the least sunshine in Hanover, Massachusetts.

How many hours of sunshine does Hanover have in December?

In Hanover, the average sunshine duration in December is 4.7h.

When is the lowest UV index in Hanover?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Hanover?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
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
Hanover, MA

Average temperature in December - Hanover, MA
  • Average high temperature in December: 41.2°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 (35.6°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in December
Hanover, MA

Average pressure in December - Hanover, 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 (29.93"Hg).

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Average wind speed in December
Hanover, MA

Average wind speed in December - Hanover, MA
  • Average wind speed in December: 10.8mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in December
Hanover, MA

Average humidity in December - Hanover, MA
  • Average humidity in December: 76%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Hanover, MA

Average rainfall in December - Hanover, MA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are February and September (0.91").

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Average rainfall days in December
Hanover, MA

Average rainfall days in December - Hanover, MA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is July (13.2 days).
The months with the least rainy days are January and February (6.8 days).

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Average snowfall in December
Hanover, MA

Average snowfall in December - Hanover, MA
  • Average snowfall in December: 0.94"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Hanover, MA

Average snowfall days in December - Hanover, MA
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Hanover, MA

Average daylight in December / Average sunshine in December - Hanover, MA
  • 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: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in December
Hanover, MA

Average sunshine days in December - Hanover, MA
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (14.9 days).

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Average UV index in December
Hanover, MA

Average UV index in December - Hanover, 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).

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Average cloud cover in December
Hanover, MA

Average cloud cover in December - Hanover, MA
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Hanover, MA

Average visibility in December - Hanover, MA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Hanover, Massachusetts, USA

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