December weather forecast
Plainfield, MA

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Weather in December

December, the first month of the winter in Plainfield, is still a cold month, with an average temperature ranging between max 32.9°F (0.5°C) and min 22.1°F (-5.5°C).

Temperature

A shift in the average high-temperature occurs in December, reducing from a chilly 43.7°F (6.5°C) in November to a wintry 32.9°F (0.5°C). During December, the average low-temperature is recorded at a subzero cold 22.1°F (-5.5°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Plainfield, in December, it is raining for 12.4 days, with typically 3.62" (92mm) of accumulated precipitation. Throughout the year, there are 171.8 rainfall days, and 37.28" (947mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Plainfield, Massachusetts. In December, in Plainfield, it is snowing for 9.6 days. Throughout December, 6.65" (169mm) of snow is accumulated. Throughout the year, there are 58.7 snowfall days, and 36.73" (933mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Plainfield, Massachusetts.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:19 pm. On the last day of December, in Plainfield, Massachusetts, sunrise is at 7:21 am and sunset at 4:28 pm EST.

Sunshine

The average sunshine in December in Plainfield is 4.2h.

UV index

February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 1 transforms into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

How cold is it in Plainfield in December?

The average high-temperature and low-temperature during December are 32.9°F (0.5°C) and 22.1°F (-5.5°C) respectively.

What is the average humidity in December in Plainfield?

In Plainfield, Massachusetts, the average relative humidity in December is 85%.

How much does it rain in Plainfield in December?

In Plainfield, in December, it is raining for 12.4 days, with typically 3.62" (92mm) of accumulated precipitation.

How much does it snow in Plainfield in December?

In December, in Plainfield, it is snowing for 9.6 days. Throughout December, 6.65" (169mm) of snow is accumulated.

What is the month with the shortest days in Plainfield?

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

How many hours of daylight does Plainfield have in December?

In Plainfield, the average day length in December is 9h and 7min.

What time are sunrise and sunset in December in Plainfield?

On the first day of December in Plainfield, sunrise is at 7:02 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:28 pm EST.

How long on average sun shines in December in Plainfield?

In Plainfield, the average sunshine duration in December is 4.2h.

What are the months with the lowest UV index in Plainfield?

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Plainfield.

What is the UV index intensity in December in Plainfield?

The average daily maximum UV index in December in Plainfield is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Plainfield, MA

Average temperature in December - Plainfield, MA
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in December: 22.1°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in December
Plainfield, MA

Average pressure in December - Plainfield, 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).

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Average wind speed in December
Plainfield, MA

Average wind speed in December - Plainfield, MA
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Plainfield, MA

Average humidity in December - Plainfield, MA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Plainfield, MA

Average rainfall in December - Plainfield, MA
  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is October (3.66").
The driest month (with the least rainfall) is September (2.56").

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Average rainfall days in December
Plainfield, MA

Average rainfall days in December - Plainfield, MA
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in December
Plainfield, MA

Average snowfall in December - Plainfield, MA
  • Average snowfall in December: 6.65"

The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Plainfield, MA

Average snowfall days in December - Plainfield, MA
  • Average snowfall days in December: 9.6 days

The month with the highest number of snowfall days is January (14.4 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
Plainfield, MA

Average daylight in December / Average sunshine in December - Plainfield, 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: 4h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in December
Plainfield, MA

Average sunshine days in December - Plainfield, MA
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is June (10 days).

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Average UV index in December
Plainfield, MA

Average UV index in December - Plainfield, MA
  • 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 February and December (UV index 1).

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Average cloud cover in December
Plainfield, MA

Average cloud cover in December - Plainfield, MA
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in December
Plainfield, MA

Average visibility in December - Plainfield, MA
  • Average visibility in December: 5mi

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

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Plainfield, Massachusetts, USA

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