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
December weather is marked by a drop in the average high-temperature, falling from a frosty 49.5°F (9.7°C) in November to an icy 40.1°F (4.5°C). December sees the temperature falling to a mean low of 29.8°F (-1.2°C).Humidity
In Quincy, the average relative humidity in December is 76%.Rainfall
In Quincy, in December, during 6 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Quincy, during the entire year, the rain falls for 89.5 days and collects up to 6.61" (168mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Quincy, in December, during 3.2 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, there are 18.1 snowfall days, and 2.87" (73mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:53 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:21 pm EST.
Sunshine
The average sunshine in December is 4.7h.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 unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Quincy have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Quincy, MA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Quincy, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Quincy, MA
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Quincy, MA
- Average humidity in December: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Quincy, MA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in December
Quincy, MA
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Quincy, MA
- Average snowfall in December: 0.55"
The month with the highest snowfall is March (0.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Quincy, MA
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Quincy, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Quincy, MA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in December
Quincy, MA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Quincy, MA
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Quincy, MA
- 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).
Quincy, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location