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 arrival of December corresponds with a shift in temperature, down from a chilly 44.4°F (6.9°C) in November to a wintry 33.3°F (0.7°C). Penobscot witnesses a consistent average low-temperature of 22.8°F (-5.1°C) throughout December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Penobscot, in December, during 10.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, in Penobscot, there are 144.3 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Penobscot, it is snowing for 8.9 days. Throughout December, 2.8" (71mm) of snow is accumulated. In Penobscot, during the entire year, snow falls for 46.8 days and aggregates up to 19.61" (498mm) 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 6:51 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:05 pm EST.
Sunshine
In December, the average sunshine is 4.4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Penobscot in December?
What is the average humidity in December in Penobscot?
How many days does it rain in December in Penobscot?
How much does it snow in Penobscot in December?
What is the month with the shortest days in Penobscot?
How many hours of daylight does Penobscot have in December?
When are sunrise and sunset in December in Penobscot?
How many hours of sunshine does Penobscot have in December?
What are the months with the lowest UV index in Penobscot?
How high is the UV index in December in Penobscot?
Average temperature in December
Penobscot, ME
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Penobscot, ME
- Average pressure in December: 29.99"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
Penobscot, ME
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Penobscot, ME
- Average humidity in December: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in December
Penobscot, ME
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is July (1.42").
Average rainfall days in December
Penobscot, ME
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Penobscot, ME
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Penobscot, ME
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Penobscot, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Penobscot, ME
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in December
Penobscot, 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, October, November and December (UV index 2).
Average cloud cover in December
Penobscot, ME
- Average cloud cover in December: 52
The months with the most cloud cover are February, March and April (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Penobscot, ME
- Average visibility in December: 6mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).
Penobscot, Maine, USA
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