December weather forecast
North Eastham, MA

Share

Weather in December

December, the first month of the winter in North Eastham, is still a chilly month, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 37.4°F (3°C).

Temperature

In December, the average high-temperature marginally drops from a cool 50.9°F (10.5°C) in November to a chilly 43.9°F (6.6°C). North Eastham observes an average low-temperature of 37.4°F (3°C) during the slightly cooler nights of December.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In North Eastham, during December, the rain falls for 11.7 days and regularly aggregates up to 1.57" (40mm) of precipitation. In North Eastham, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.

Snowfall

Months with snowfall in North Eastham are January through April, November and December. In December, in North Eastham, it is snowing for 4.7 days. Throughout December, 0.51" (13mm) of snow is accumulated. In North Eastham, during the entire year, snow falls for 22.1 days and aggregates up to 2.95" (75mm) 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 6:48 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:19 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 4.2h of 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 exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold does it get in December?

The high-temperature, in December, in North Eastham, is 43.9°F (6.6°C), while the low-temperature averages to 37.4°F (3°C).

What is the average humidity in December?

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

How much does it rain in December?

In North Eastham, in December, during 11.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many days does it snow in December?

In North Eastham, in December, snow falls for 4.7 days, with typically accumulated 0.51" (13mm) 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 is 9h and 11min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:48 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:19 pm EST.

What is the month with the least sunshine?

With an average of 4.2h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

The average sunshine duration in December in North Eastham is 4.2h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents 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
North Eastham, MA

Average temperature in December - North Eastham, MA
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).

Average pressure in December
North Eastham, MA

Average pressure in December - North Eastham, MA
  • Average pressure in December: 30.02"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
North Eastham, MA

Average wind speed in December - North Eastham, MA
  • Average wind speed in December: 18mph

The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).

Average humidity in December
North Eastham, MA

Average humidity in December - North Eastham, MA
  • Average humidity in December: 75%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).

Average rainfall in December
North Eastham, MA

Average rainfall in December - North Eastham, MA
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").

Average rainfall days in December
North Eastham, MA

Average rainfall days in December - North Eastham, MA
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
North Eastham, MA

Average snowfall in December - North Eastham, MA
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
North Eastham, MA

Average snowfall days in December - North Eastham, MA
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (6.1 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
North Eastham, MA

Average daylight in December / Average sunshine in December - North Eastham, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in December
North Eastham, MA

Average sunshine days in December - North Eastham, MA
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).

Average UV index in December
North Eastham, MA

Average UV index in December - North Eastham, 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
North Eastham, MA

Average cloud cover in December - North Eastham, MA
  • Average cloud cover in December: 55

The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
North Eastham, MA

Average visibility in December - North Eastham, 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).

North Eastham, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location