December weather forecast
Dudley, MA

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Weather in December

The first month of the winter, December, is also a wintry month in Dudley, Massachusetts, with an average temperature fluctuating between 37.2°F (2.9°C) and 27°F (-2.8°C).

Temperature

The start of December signals a decrease in the average high-temperature, transitioning from a chilly 47.3°F (8.5°C) in November to an icy 37.2°F (2.9°C). Throughout the month of December, the nighttime temperature dips to an average of 27°F (-2.8°C).

Humidity

The average relative humidity in December in Dudley is 79%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.11" (79mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Dudley. In Dudley, in December, snow falls for 6.1 days, with typically accumulated 3.39" (86mm) of snow. In Dudley, during the entire year, snow falls for 37.7 days and aggregates up to 20.59" (523mm) of snow.

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 6:56 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:26 pm EST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

How cold is it in December?

In Dudley, in December, the average high-temperature is 37.2°F (2.9°C), and the average low-temperature is 27°F (-2.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in July is evaluated at 86°F (30°C).

What is the average humidity in December?

In Dudley, the average relative humidity in December is 79%.

What is the rainiest month in Dudley?

The month with the most rainfall in Dudley, Massachusetts, is December, when the rain falls for 10.9 days and typically aggregates up to 3.11" (79mm) of precipitation.

How many days does it rain in December in Dudley?

In Dudley, during December, the rain falls for 10.9 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How many days does it snow in December in Dudley?

In Dudley, during December, snow falls for 6.1 days and regularly aggregates up to 3.39" (86mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Dudley have in December?

The average day length in December is 9h and 11min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:56 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:26 pm EST.

How many hours of sunshine does Dudley have in December?

In December, the average sunshine duration is 4.6h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December in Dudley is 2. A UV Index estimate 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
Dudley, MA

Average temperature in December - Dudley, MA
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in December
Dudley, MA

Average pressure in December - Dudley, MA
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Dudley, MA

Average wind speed in December - Dudley, 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 (5.7mph).

Average humidity in December
Dudley, MA

Average humidity in December - Dudley, MA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Dudley, MA

Average rainfall in December - Dudley, MA
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in December
Dudley, MA

Average rainfall days in December - Dudley, MA
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are January and February (7.8 days).

Average snowfall in December
Dudley, MA

Average snowfall in December - Dudley, MA
  • Average snowfall in December: 3.39"

The months with the highest snowfall are February and March (5.08").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Dudley, MA

Average snowfall days in December - Dudley, MA
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is March (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Dudley, 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 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Dudley, MA

Average sunshine days in December - Dudley, MA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in December
Dudley, MA

Average UV index in December - Dudley, MA
  • Average UV index in December: 2

The months with the highest UV index are June and July (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
Dudley, MA

Average cloud cover in December - Dudley, MA
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Dudley, MA

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

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

Dudley, Massachusetts, USA

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