December weather forecast
Sagamore, MA

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Weather in December

December, the first month of the winter in Sagamore, is also a frosty month, with an average temperature fluctuating between 35.4°F (1.9°C) and 43.2°F (6.2°C).

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 43.2°F (6.2°C) from November's fresh 50.9°F (10.5°C). During December, Sagamore's nights hold steady with an average temperature of 35.4°F (1.9°C), barely dropping from the daytime highs.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Sagamore, during December, the rain falls for 9.8 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 138.1 rainfall days, and 18.74" (476mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 3.2 days. Throughout December, 0.63" (16mm) of snow is accumulated. In Sagamore, during the entire year, snow falls for 20 days and aggregates up to 4.21" (107mm) 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 the month, sunrise is at 6:50 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:21 pm EST.

Sunshine

February and December, with an average of 4.6h of sunshine, are months with the least sunshine.

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 unsafe exposure to UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

How cold does it get in December?

In December, in Sagamore, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 35.4°F (1.9°C).

What is the average humidity in December?

In Sagamore, the average relative humidity in December is 75%.

How many days does it rain in December?

In Sagamore, during December, the rain falls for 9.8 days and regularly aggregates up to 1.73" (44mm) of precipitation.

How much does it snow in December?

In Sagamore, during December, snow falls for 3.2 days and regularly aggregates up to 0.63" (16mm) 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 Sagamore have in December?

In December, the average day length in Sagamore, Massachusetts, is 9h and 12min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:21 pm EST.

What is the month with the least sunshine?

February and December, with an average of 4.6h of sunshine, are months with the least sunshine in Sagamore.

How many hours of sunshine does Sagamore have in December?

In December, the average sunshine duration in Sagamore is 4.6h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index 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
Sagamore, MA

Average temperature in December - Sagamore, MA
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 35.4°F

The months with the highest average low temperature are July and August (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in December
Sagamore, MA

Average pressure in December - Sagamore, 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
Sagamore, MA

Average wind speed in December - Sagamore, MA
  • Average wind speed in December: 14.5mph

The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).

Average humidity in December
Sagamore, MA

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

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).

Average rainfall in December
Sagamore, MA

Average rainfall in December - Sagamore, MA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Sagamore, MA

Average rainfall days in December - Sagamore, MA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (8 days).

Average snowfall in December
Sagamore, MA

Average snowfall in December - Sagamore, MA
  • Average snowfall in December: 0.63"

The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Sagamore, MA

Average snowfall days in December - Sagamore, MA
  • Average snowfall days in December: 3.2 days

The months with the highest number of snowfall days are January and February (5.5 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
Sagamore, MA

Average daylight in December / Average sunshine in December - Sagamore, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in December
Sagamore, MA

Average sunshine days in December - Sagamore, MA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in December
Sagamore, MA

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

The month with the highest UV index is 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
Sagamore, MA

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

The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Sagamore, MA

Average visibility in December - Sagamore, 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).

Sagamore, Massachusetts, USA

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