December weather forecast
Florence, MA

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Weather in December

The first month of the winter, December, is also an icy month in Florence, Massachusetts, with an average temperature fluctuating between 24.8°F (-4°C) and 36°F (2.2°C).

Temperature

December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 46.9°F (8.3°C) to an icy 36°F (2.2°C). In December, the recorded average low-temperature is a subzero cold 24.8°F (-4°C).

Humidity

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

Rainfall

In Florence, in December, it is raining for 10.1 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Florence, there are 134.1 rainfall days, and 14.84" (377mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Florence, in December, snow falls for 5.1 days, with typically accumulated 1.3" (33mm) of snow. Throughout the year, there are 28.6 snowfall days, and 6.5" (165mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:00 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:28 pm EST.

Sunshine

In December, the average sunshine in Florence is 4.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Florence. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is it in Florence in December?

An average high-temperature, in December, in Florence, is 36°F (2.2°C) and the average low-temperature is 24.8°F (-4°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Florence?

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

How much does it rain in Florence in December?

In Florence, Massachusetts, during December, the rain falls for 10.1 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How much does it snow in Florence in December?

In Florence, Massachusetts, during December, snow falls for 5.1 days and regularly aggregates up to 1.3" (33mm) of snow.

What is the month with the shortest days in Florence?

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

How many hours of daylight does Florence have in December?

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

When are sunrise and sunset in December in Florence?

On the first day of December in Florence, sunrise is at 7:00 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:28 pm EST.

How long on average sun shines in December in Florence?

In December, the average sunshine duration in Florence, Massachusetts, is 4.9h.

What is the month with the lowest UV index in Florence?

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

How high is the UV index in December in Florence?

In December, the average daily maximum UV index in Florence, Massachusetts, is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Florence, MA

Average temperature in December - Florence, MA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 24.8°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°F).

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Average pressure in December
Florence, MA

Average pressure in December - Florence, 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
Florence, MA

Average wind speed in December - Florence, MA
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Florence, MA

Average humidity in December - Florence, 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%).

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Average rainfall in December
Florence, MA

Average rainfall in December - Florence, MA
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is February (0.91").

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Average rainfall days in December
Florence, MA

Average rainfall days in December - Florence, MA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in December
Florence, MA

Average snowfall in December - Florence, MA
  • Average snowfall in December: 1.3"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Florence, MA

Average snowfall days in December - Florence, MA
  • Average snowfall days in December: 5.1 days

The month with the highest number of snowfall days is February (7.7 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
Florence, MA

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

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 36min).

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Average sunshine days in December
Florence, MA

Average sunshine days in December - Florence, MA
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (13.7 days).

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Average UV index in December
Florence, MA

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

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Average cloud cover in December
Florence, MA

Average cloud cover in December - Florence, MA
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
Florence, MA

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

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

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Florence, Massachusetts, USA

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