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
Dedham's weather changes with the onset of December, slightly falling from a chilly 43.3°F (6.3°C) in November to a wintry 32.4°F (0.2°C). Dedham throughout December, experiences an average nighttime temperature of 21.9°F (-5.6°C).Humidity
In Dedham, the average relative humidity in December is 81%.Rainfall
The month with the most rainfall in Dedham, Maine, is December, when the rain falls for 11 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Dedham. In Dedham, Maine, in December, snow falls for 10.3 days, with typically accumulated 5.75" (146mm) of snow. In Dedham, during the entire year, snow falls for 58 days and aggregates up to 34.09" (866mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 3:55 pm. On the last day of December, in Dedham, sunrise is at 7:11 am and sunset at 4:04 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Dedham in December?
What is the average humidity in December in Dedham?
What is the wettest month in Dedham?
How much does it rain in Dedham in December?
How much does it snow in Dedham in December?
What is the month with the shortest days in Dedham?
What is the average length of the day in December in Dedham?
What time are sunrise and sunset in December in Dedham?
How many hours of sunshine does Dedham have in December?
What is the month with the lowest UV index in Dedham?
How high is the UV index in December in Dedham?
Average temperature in December
Dedham, ME
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
Dedham, 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
Dedham, ME
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Dedham, ME
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Dedham, ME
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in December
Dedham, ME
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Dedham, ME
- Average snowfall in December: 5.75"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dedham, ME
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dedham, 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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Dedham, ME
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in December
Dedham, 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
Dedham, ME
- Average cloud cover in December: 52
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Dedham, 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).
Dedham, Maine, USA
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