December weather forecast
Walpole, ME

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Weather in December

The first month of the winter, December, is still a cold month in Walpole, Maine, with an average temperature varying between 25.3°F (-3.7°C) and 35.2°F (1.8°C).

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a chilly 45.5°F (7.5°C) in November to a cold 35.2°F (1.8°C). Nighttime temperatures in Walpole hover around an average low of 25.3°F (-3.7°C) in December.

Humidity

The average relative humidity in December is 78%.

Rainfall

December is the month with the most rainfall in Walpole. Rain falls for 10.8 days and accumulates 3.5" (89mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Walpole, in December, during 7 snowfall days, 3.39" (86mm) of snow is typically accumulated. In Walpole, during the entire year, snow falls for 40 days and aggregates up to 20.08" (510mm) of snow.

Daylight

With an average of 9h and 0min 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 4:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:10 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.6h 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

How cold is December in Walpole?

The high-temperature, in December, in Walpole, is 35.2°F (1.8°C), while the low-temperature averages to 25.3°F (-3.7°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 10.8 days and typically aggregates up to 3.5" (89mm) of precipitation.

How much does it rain in Walpole in December?

In Walpole, in December, during 10.8 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Walpole, Maine, in December, during 7 snowfall days, 3.39" (86mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Walpole, Maine.

What is the average length of the day in December?

In Walpole, Maine, the average day length in December is 8h and 58min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:53 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:10 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.6h of sunshine.

How many hours of sunshine does Walpole have in December?

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

What are the months 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.

How high is the UV index in December?

In Walpole, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Walpole, ME

Average temperature in December - Walpole, ME
  • Average high temperature in December: 35.2°F

The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Walpole, ME

Average pressure in December - Walpole, ME
  • Average pressure in December: 30.01"Hg

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

Average wind speed in December
Walpole, ME

Average wind speed in December - Walpole, ME
  • Average wind speed in December: 10mph

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Walpole, ME

Average humidity in December - Walpole, ME
  • Average humidity in December: 78%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).

Average rainfall in December
Walpole, ME

Average rainfall in December - Walpole, ME
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
Walpole, ME

Average rainfall days in December - Walpole, ME
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Walpole, ME

Average snowfall in December - Walpole, ME
  • Average snowfall in December: 3.39"

The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Walpole, ME

Average snowfall days in December - Walpole, ME
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Walpole, ME
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in December
Walpole, ME

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

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in December
Walpole, ME

Average UV index in December - Walpole, ME
  • 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, November and December (UV index 2).

Average cloud cover in December
Walpole, ME

Average cloud cover in December - Walpole, ME
  • Average cloud cover in December: 51

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Walpole, ME

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

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

Walpole, Maine, USA

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