December weather forecastDuxbury, MA
December
Weather in December
December, the first month of the winter in Duxbury, is also a wintry month, with an average temperature fluctuating between 32.9°F (0.5°C) and 41.7°F (5.4°C).Temperature
A subtle shift in Duxbury's weather is observed as November turns into December, with the average high temperature reducing from a frosty 49.8°F (9.9°C) to a cold 41.7°F (5.4°C). Duxbury logs an average low-temperature of 32.9°F (0.5°C) during the nights of December, subtly lower than its daytime highs.Humidity
The average relative humidity in December is 76%.Rainfall
In Duxbury, during December, the rain falls for 8.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Duxbury, during the entire year, the rain falls for 120.2 days and collects up to 12.24" (311mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Duxbury, in December, during 3.9 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Duxbury, during the entire year, snow falls for 21 days and aggregates up to 3.54" (90mm) of snow.Ocean temperature
In Duxbury, the average seawater temperature in December is 46.2°F (7.9°C).Note: In 46.2°F (7.9°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).
Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:51 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:21 pm EST.
Sunshine
February and December, with an average of 4.7h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Duxbury, MA
- Average high temperature in December: 41.7°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 32.9°F
The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Duxbury, 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
Duxbury, MA
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in December
Duxbury, MA
- Average humidity in December: 76%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in December
Duxbury, MA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in December
Duxbury, MA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Duxbury, MA
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Duxbury, MA
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Duxbury, MA
- Average sea temperature in December: 46.3°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in December /
Average sunshine in December
Duxbury, MA
- Average daylight in December: 9h and 12min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Duxbury, MA
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in December
Duxbury, MA
- Average UV index in December: 2
The months with the highest UV index are 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
Duxbury, MA
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Duxbury, 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).





