December weather forecast
North Union, ME

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Weather in December

The first month of the winter, December, is still a cold month in North Union, Maine, with an average temperature fluctuating between 35.8°F (2.1°C) and 26.6°F (-3°C).

Temperature

December brings a decrease in the average high-temperature, shifting from a frosty 44.8°F (7.1°C) in November to an icy 35.8°F (2.1°C). In North Union, the average low-temperature during the month of December is a subzero cold 26.6°F (-3°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

The months with the most rainfall are April, November and December, with an average 1.42" (36mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 5.7 days. Throughout December, 0.98" (25mm) of snow is accumulated. In North Union, during the entire year, snow falls for 32.6 days and aggregates up to 7.05" (179mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:53 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:08 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 4.6h of sunshine.

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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

How cold is December?

The average high-temperature, in December, in North Union, is 35.8°F (2.1°C), while the average low-temperature is 26.6°F (-3°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

What is the rainiest month?

The months with the most rainfall are April, November and December, with an average 1.42" (36mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 9.7 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

How much does it snow in North Union in December?

In North Union, Maine, in December, during 5.7 snowfall days, 0.98" (25mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 54min of daylight.

What is the average length of the day in December?

In December, the average day length is 8h and 56min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:53 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:08 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.6h of sunshine.

How long on average sun shines in December in North Union?

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

What is the month 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.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from 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
North Union, ME

Average temperature in December - North Union, ME
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is August (70.7°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in December: 26.6°F

The months with the highest average low temperature are July and August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in December
North Union, ME

Average pressure in December - North Union, 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
North Union, ME

Average wind speed in December - North Union, ME
  • Average wind speed in December: 12.4mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity in December
North Union, ME

Average humidity in December - North Union, ME
  • Average humidity in December: 78%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall in December
North Union, ME

Average rainfall in December - North Union, ME
  • Average rainfall in December: 1.42"

The wettest months (with the highest rainfall) are April, November and December (1.42").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in December
North Union, ME

Average rainfall days in December - North Union, ME
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is April (13.2 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in December
North Union, ME

Average snowfall in December - North Union, ME
  • Average snowfall in December: 0.98"

The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
North Union, ME

Average snowfall days in December - North Union, ME
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
North Union, ME

Average daylight in December / Average sunshine in December - North Union, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in December
North Union, ME

Average sunshine days in December - North Union, ME
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (13.8 days).

Average UV index in December
North Union, ME

Average UV index in December - North Union, 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
North Union, ME

Average cloud cover in December - North Union, ME
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
North Union, ME

Average visibility in December - North Union, ME
  • 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 Union, Maine, USA

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