December weather forecast
Prattville, MA

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Weather in December

The first month of the winter, December, is still a cold month in Prattville, Massachusetts, with an average temperature fluctuating between 41.7°F (5.4°C) and 30.9°F (-0.6°C).

Temperature

December is characterized by a reduction in the average high-temperature, from a cool 50.7°F (10.4°C) in November to a wintry 41.7°F (5.4°C). The average low-temperature, in December, is a freezing cold 30.9°F (-0.6°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Prattville, in December, during 4.7 snowfall days, 2.56" (65mm) of snow is typically accumulated. Throughout the year, there are 26.8 snowfall days, and 13.66" (347mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 6:53 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:23 pm EST.

Sunshine

In Prattville, the average sunshine in December is 4.8h.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold does it get in Prattville in December?

The high-temperature, in December, in Prattville, is 41.7°F (5.4°C), while the low-temperature averages to 30.9°F (-0.6°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December?

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

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 3.27" (83mm) of precipitation.

How many days does it rain in December?

In Prattville, Massachusetts, in December, it is raining for 11.3 days, with typically 3.27" (83mm) of accumulated precipitation.

How many days does it snow in December?

In Prattville, in December, snow falls for 4.7 days, with typically accumulated 2.56" (65mm) of snow.

What is the month with the shortest days in Prattville?

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

What is the average length of the day in December?

In December, the average day length is 9h and 11min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:23 pm EST.

How many hours of sunshine does Prattville have in December?

The average sunshine duration in December is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Prattville, MA

Average temperature in December - Prattville, MA
  • Average high temperature in December: 41.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 30.9°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 (23.9°F).

Average pressure in December
Prattville, MA

Average pressure in December - Prattville, MA
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Prattville, MA

Average wind speed in December - Prattville, MA
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Prattville, MA

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

The months with the highest relative humidity are June, July and September (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Prattville, MA

Average rainfall in December - Prattville, MA
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in December
Prattville, MA

Average rainfall days in December - Prattville, MA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is April (16 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in December
Prattville, MA

Average snowfall in December - Prattville, MA
  • Average snowfall in December: 2.56"

The months with the highest snowfall are February and March (3.62").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Prattville, MA

Average snowfall days in December - Prattville, MA
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Prattville, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Prattville, MA

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

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (12.8 days).

Average UV index in December
Prattville, MA

Average UV index in December - Prattville, 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
Prattville, MA

Average cloud cover in December - Prattville, 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 32).

Average visibility in December
Prattville, MA

Average visibility in December - Prattville, 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).

Prattville, Massachusetts, USA

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