December weather forecast
Centerville, MA

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Weather in December

The first month of the winter, December, is still a chilly month in Centerville, Massachusetts, with an average temperature varying between 36.5°F (2.5°C) and 43.7°F (6.5°C).

Temperature

A minor decrease in the average high-temperature is observed during December, shifting from a fresh 51.3°F (10.7°C) in November to a frosty 43.7°F (6.5°C). With a barely noticeable fluctuation in temperature, Centerville reaches an average low of 36.5°F (2.5°C) during the December nights.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Centerville, during December, the rain falls for 14.2 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, there are 157.2 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April and December. December is the first month it typically snows. Throughout December, in the average 4.4 snowfall days, it receives 0.87" (22mm) of snow. In Centerville, during the entire year, snow falls for 24.1 days and aggregates up to 6.1" (155mm) of snow.

Daylight

The month with the shortest days in Centerville is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 6:49 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:21 pm EST.

Sunshine

With an average of 4.6h of sunshine, December has the least sunshine of the year.

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 low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

Is December cold?

Centerville in December has an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 36.5°F (2.5°C).

What is the average humidity in December in Centerville?

The average relative humidity in December is 75%.

How much does it rain in Centerville in December?

In Centerville, in December, it is raining for 14.2 days, with typically 3.62" (92mm) of accumulated precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 4.4 snowfall days, it receives 0.87" (22mm) 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.

What is the average length of the day in December?

The average day length in December in Centerville is 9h and 13min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:49 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:21 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.6h of sunshine.

How many hours of sunshine does Centerville have in December?

The average sunshine duration in December is 4.6h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Centerville, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Centerville, MA

Average temperature in December - Centerville, MA
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in December
Centerville, MA

Average pressure in December - Centerville, 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).

Average wind speed in December
Centerville, MA

Average wind speed in December - Centerville, MA
  • Average wind speed in December: 16.1mph

The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).

Average humidity in December
Centerville, MA

Average humidity in December - Centerville, MA
  • Average humidity in December: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).

Average rainfall in December
Centerville, MA

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

The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").

Average rainfall days in December
Centerville, MA

Average rainfall days in December - Centerville, MA
  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in December
Centerville, MA

Average snowfall in December - Centerville, MA
  • Average snowfall in December: 0.87"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in December
Centerville, MA

Average snowfall days in December - Centerville, MA
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Centerville, MA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
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 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in December
Centerville, MA

Average sunshine days in December - Centerville, MA
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in December
Centerville, MA

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

The months with the highest UV index are 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
Centerville, MA

Average cloud cover in December - Centerville, MA
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Centerville, MA

Average visibility in December - Centerville, 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).

Centerville, Massachusetts, USA

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