Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December comes with a shift in the average high-temperature, falling from a chilly 45.1°F (7.3°C) in November to an icy 36.1°F (2.3°C). During December, Pembroke experiences a consistent low-temperature average of 26.6°F (-3°C).Humidity
In December, the average relative humidity is 80%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.23" (82mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Pembroke, Maine, in December, snow falls for 8.2 days, with typically accumulated 2.17" (55mm) of snow. In Pembroke, during the entire year, snow falls for 44.2 days and aggregates up to 12.68" (322mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 6:47 am and sunset at 3:48 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 3:57 pm EST.
Sunshine
In Pembroke, the average sunshine in December is 4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Pembroke have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December in Pembroke?
Average temperature in December
Pembroke, ME
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Pembroke, ME
- Average pressure in December: 29.98"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Pembroke, ME
- Average wind speed in December: 13.6mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Pembroke, ME
- Average humidity in December: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Pembroke, ME
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is August (1.65").
Average rainfall days in December
Pembroke, ME
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Pembroke, ME
- Average snowfall in December: 2.17"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pembroke, ME
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (10.8 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
Pembroke, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Pembroke, ME
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Pembroke, ME
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Pembroke, ME
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Pembroke, 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).
Pembroke, Maine, USA
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