December weather forecast
Leverett, MA

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Weather in December

December, the first month of the winter in Leverett, is also a wintry month, with an average temperature fluctuating between 25.3°F (-3.7°C) and 36.5°F (2.5°C).

Temperature

December brings a minor decrease, with the average high-temperature reducing from a chilly 47.3°F (8.5°C) in November to an icy 36.5°F (2.5°C). In December, Leverett's temperature tends to fall to an average low of 25.3°F (-3.7°C) during the night.

Humidity

In Leverett, Massachusetts, the average relative humidity in December is 80%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 2.87" (73mm) of precipitation.

Snowfall

Months with snowfall in Leverett are January through May, October through December. In Leverett, in December, during 6.5 snowfall days, 3.94" (100mm) of snow is typically accumulated. Throughout the year, there are 38.2 snowfall days, and 21.42" (544mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:27 pm EST.

Sunshine

The average sunshine in December is 5h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 36.5°F (2.5°C) and a low-temperature of 25.3°F (-3.7°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

What is the wettest month?

December is the month with the most rainfall in Leverett. Rain falls for 10.7 days and accumulates 2.87" (73mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 10.7 days. Throughout December, 2.87" (73mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 6.5 days. Throughout December, 3.94" (100mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

How many hours of daylight does Leverett have in December?

The average day length in December is 9h and 8min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:27 pm EST.

How long on average sun shines in December?

In Leverett, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Leverett, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Leverett, MA

Average temperature in December - Leverett, MA
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in December
Leverett, MA

Average pressure in December - Leverett, MA
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Leverett, MA

Average wind speed in December - Leverett, MA
  • Average wind speed in December: 7.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Leverett, MA

Average humidity in December - Leverett, MA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Leverett, MA

Average rainfall in December - Leverett, MA
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Leverett, MA

Average rainfall days in December - Leverett, MA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in December
Leverett, MA

Average snowfall in December - Leverett, MA
  • Average snowfall in December: 3.94"

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Leverett, MA

Average snowfall days in December - Leverett, MA
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Leverett, 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 6min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Leverett, MA

Average sunshine days in December - Leverett, MA
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (13.6 days).

Average UV index in December
Leverett, MA

Average UV index in December - Leverett, 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, October, November and December (UV index 2).

Average cloud cover in December
Leverett, MA

Average cloud cover in December - Leverett, MA
  • Average cloud cover in December: 46

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Leverett, MA

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

The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).

Leverett, Massachusetts, USA

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