December weather forecast
Florence, MA

Weather in December

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

Temperature

In Florence, the average high-temperature in December drops from a frosty 46.9°F (8.3°C) in November to a cold 36°F (2.2°C). In December, in Florence, the average low-temperature is 24.8°F (-4°C).

Humidity

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

Rainfall

In Florence, during December, the rain falls for 10.1 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Florence, during the entire year, the rain falls for 134.1 days and collects up to 14.84" (377mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In December, it is snowing for 5.1 days. Throughout December, 1.3" (33mm) of snow is accumulated. 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 in Florence, with an average of 9h and 8min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:19 pm. On the last day of December, in Florence, Massachusetts, sunrise is at 7:19 am and sunset at 4:27 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. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the average humidity in December in Florence?

The average relative humidity in December in Florence is 80%.

How much does it rain in Florence in December?

In Florence, in December, it is raining for 10.1 days, with typically 1.38" (35mm) of accumulated precipitation.

How much does it snow in Florence in December?

In Florence, Massachusetts, in December, snow falls for 5.1 days, with typically accumulated 1.3" (33mm) of snow.

What is the month with the shortest days in Florence?

The month with the shortest days is December, with an average of 9h and 8min of daylight.

How many hours of daylight does Florence have in December?

In December, the average day length in Florence is 9h and 8min.

When is the sunrise / sunset in December in Florence?

In December, on the first day of the month, 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 4:27 pm EST.

How long on average sun shines in December in Florence?

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

When is 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.

What is the UV index intensity in December in Florence?

The average daily maximum UV index in December in Florence is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.

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).

[Resources]

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).

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

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").

[Resources]

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).

[Resources]

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 8min

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in December: 4.9h

The months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location