December weather forecast
Sherman, ME

Share

Weather in December

The first month of the winter, December, is still a freezing cold month in Sherman, Maine, with an average temperature fluctuating between 18.1°F (-7.7°C) and 28.2°F (-2.1°C).

Temperature

A decrease in the average high-temperature is observed during December, shifting from an icy 40.1°F (4.5°C) in November to a freezing cold 28.2°F (-2.1°C). Sherman experiences a mean low-temperature of 18.1°F (-7.7°C) during December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Sherman, in December, during 10.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 156.1 rainfall days, and 26.89" (683mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Sherman, in December, snow falls for 14.5 days, with typically accumulated 8.78" (223mm) of snow. Throughout the year, there are 78.3 snowfall days, and 45.63" (1159mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 42min of daylight.
On the first day of December in Sherman, sunrise is at 6:55 am and sunset at 3:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 3:58 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Sherman, is 28.2°F (-2.1°C), while the low-temperature averages to 18.1°F (-7.7°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How much does it rain in December?

In Sherman, during December, the rain falls for 10.5 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 14.5 days. Throughout December, 8.78" (223mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days in Sherman is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Sherman have in December?

In December, the average day length is 8h and 44min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 3:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 3:58 pm EST.

How long on average sun shines in December?

In Sherman, the average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

February and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Sherman, ME

Average temperature in December - Sherman, ME
  • Average high temperature in December: 28.2°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in December: 18.1°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

Average pressure in December
Sherman, ME

Average pressure in December - Sherman, ME
  • Average pressure in December: 30"Hg

The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Sherman, ME

Average wind speed in December - Sherman, ME
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Sherman, ME

Average humidity in December - Sherman, ME
  • Average humidity in December: 84%

The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is May (75%).

Average rainfall in December
Sherman, ME

Average rainfall in December - Sherman, ME
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is April (2.83").
The driest months (with the least rainfall) are March and July (1.73").

Average rainfall days in December
Sherman, ME

Average rainfall days in December - Sherman, ME
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
Sherman, ME

Average snowfall in December - Sherman, ME
  • Average snowfall in December: 8.78"

The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sherman, ME

Average snowfall days in December - Sherman, ME
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is February (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Sherman, ME

Average daylight in December / Average sunshine in December - Sherman, ME
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

Average sunshine days in December
Sherman, ME

Average sunshine days in December - Sherman, ME
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (9.3 days).

Average UV index in December
Sherman, ME

Average UV index in December - Sherman, ME
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in December
Sherman, ME

Average cloud cover in December - Sherman, ME
  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Sherman, ME

Average visibility in December - Sherman, ME
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).

Sherman, Maine, USA

Weather forecast for your location

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