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 sea temperature 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
December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 45.1°F (7.3°C) to a cold 36.1°F (2.3°C). In Machiasport, the average nighttime temperature during December is a subzero cold 26.6°F (-3°C).Humidity
In Machiasport, the average relative humidity in December is 80%.Rainfall
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.23" (82mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Machiasport, in December, during 8.2 snowfall days, 2.17" (55mm) of snow is typically accumulated. Throughout the year, in Machiasport, Maine, there are 44.2 snowfall days, and 12.68" (322mm) of snow is accumulated.Ocean temperature
In Machiasport, the average seawater temperature in December is 45.9°F (7.7°C).Note: Swimming in 45.9°F (7.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Machiasport.On the first day of the month, sunrise is at 6:47 am and sunset at 3:50 pm. On the last day of December, in Machiasport, sunrise is at 7:06 am and sunset at 3:59 pm EST.
Sunshine
In Machiasport, the average sunshine in December is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Machiasport. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Machiasport?
What is the average humidity in December in Machiasport?
What is the rainiest month in Machiasport?
How many days does it rain in December in Machiasport?
How much does it snow in Machiasport in December?
What is the ocean temperature in December in Machiasport?
What is the month with the shortest days in Machiasport?
How many hours of daylight does Machiasport have in December?
When is the sunrise / sunset in December in Machiasport?
How many hours of sunshine does Machiasport have in December?
What is the month with the lowest UV index in Machiasport?
What is the UV index reading in December in Machiasport?
Average temperature in December
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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 sea temperature in December
Machiasport, ME
- Average sea temperature in December: 45.8°F
The best month for swimming (with the highest average sea temperature) is August (56.1°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).
Average daylight in December /
Average sunshine in December
Machiasport, 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 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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).
Machiasport, Maine, USA
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