December weather forecastErving, MA

December

Weather in December

The first month of the winter, December, is also a wintry month in Erving, Massachusetts, with an average temperature ranging between max 35.1°F (1.7°C) and min 24.1°F (-4.4°C).

Temperature

The start of December involves a temperature drop, moving from a frosty 45.9°F (7.7°C) in November to a cold 35.1°F (1.7°C). In the month of December, Erving experiences an average low-temperature of 24.1°F (-4.4°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Erving, in December, it is raining for 10.2 days, with typically 2.76" (70mm) of accumulated precipitation. In Erving, during the entire year, the rain falls for 145 days and collects up to 28.03" (712mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Erving, in December, during 8.1 snowfall days, 4.8" (122mm) of snow is typically accumulated. In Erving, during the entire year, snow falls for 43.1 days and aggregates up to 25.75" (654mm) of snow.

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 4:17 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:26 pm EST.

Sunshine

In Erving, the average sunshine in December is 4.7h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Erving. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

The high-temperature, in December, in Erving, is 35.1°F (1.7°C), while the low-temperature averages to 24.1°F (-4.4°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

The average relative humidity in December is 80%.

In December, the rain falls for 10.2 days. Throughout December, 2.76" (70mm) of precipitation is accumulated.

In Erving, in December, during 8.1 snowfall days, 4.8" (122mm) of snow is typically accumulated.

With an average of 9h and 6min of daylight, December has the shortest days of the year.

In December, the average day length is 9h and 7min.

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:26 pm EST.

In December, the average sunshine duration is 4.7h.

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

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Erving, MA

  • Average high temperature in December: 35.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Erving, MA

  • Average pressure in December: 30.04"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).

Average wind speed in December
Erving, MA

  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Erving, MA

  • Average humidity in December: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Erving, MA

  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is October (2.8").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in December
Erving, MA

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in December
Erving, MA

  • Average snowfall in December: 4.8"

The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Erving, MA

  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 6min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Erving, MA

  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (13 days).

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

Average cloud cover in December
Erving, MA

  • Average cloud cover in December: 48

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Erving, MA

  • Average visibility in December: 5mi

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