December weather forecast
Morrill, ME

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Weather in December

The first month of the winter, December, is also an icy month in Morrill, Maine, with an average temperature varying between 34.2°F (1.2°C) and 24.1°F (-4.4°C).

Temperature

With the onset of December, Morrill's average high-temperature adjusts, receding from November's chilly 44.1°F (6.7°C) to a wintry 34.2°F (1.2°C). Throughout the month of December, the nighttime temperature dips to an average of 24.1°F (-4.4°C).

Humidity

In Morrill, the average relative humidity in December is 79%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.1 days and accumulates 2.72" (69mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Morrill, in December, during 8.9 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Morrill, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 3:58 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:07 pm EST.

Sunshine

The average sunshine in December is 4.4h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 34.2°F (1.2°C) and 24.1°F (-4.4°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 79%.

What is the rainiest month in Morrill?

The month with the most rainfall is December, when the rain falls for 10.1 days and typically aggregates up to 2.72" (69mm) of precipitation.

How many days does it rain in December?

In December, the rain falls for 10.1 days. Throughout December, 2.72" (69mm) of precipitation is accumulated.

How many days does it snow in December in Morrill?

In Morrill, Maine, in December, during 8.9 snowfall days, 2.28" (58mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 8h and 55min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:07 pm EST.

How many hours of sunshine does Morrill have in December?

In Morrill, the average sunshine duration in December is 4.4h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In Morrill, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Morrill, ME

Average temperature in December - Morrill, ME
  • Average high temperature in December: 34.2°F

The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Morrill, ME

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

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Morrill, ME

Average wind speed in December - Morrill, ME
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in December
Morrill, ME

Average humidity in December - Morrill, ME
  • Average humidity in December: 79%

The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in December
Morrill, ME

Average rainfall in December - Morrill, ME
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").

Average rainfall days in December
Morrill, ME

Average rainfall days in December - Morrill, ME
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in December
Morrill, ME

Average snowfall in December - Morrill, ME
  • Average snowfall in December: 2.28"

The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Morrill, ME

Average snowfall days in December - Morrill, ME
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Morrill, ME
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Morrill, ME

Average sunshine days in December - Morrill, ME
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in December
Morrill, ME

Average UV index in December - Morrill, ME
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Morrill, ME

Average cloud cover in December - Morrill, ME
  • Average cloud cover in December: 52

The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in December
Morrill, ME

Average visibility in December - Morrill, ME
  • Average visibility in December: 6mi

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

Morrill, Maine, USA

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