December weather forecastMashpee, MA
December
Weather in December
December takes Mashpee into winter's heart, with temperatures dropping further down to between 35.6°F (2°C) and 43.3°F (6.3°C). However, the arrival of winter doesn't dampen the town's spirits, rather it sparks a different vibrancy with holiday festivities. White snowflake showers transforming the town into a serene wonderland marks the mesmerizing charm of a Mashpee winter. With longer nights and crisply cold days, December instills a sense of calm yet festive spirit. As the hustling year draws to a close, the tranquil weather, amplified by holidays, providentially caps the annual climatic journey of Mashpee.Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a cool 50.9°F (10.5°C) in November to a frosty 43.3°F (6.3°C). December nights reflect a consistent temperature dip to a cold 35.6°F (2°C), a slight descent from daytime peaks.Humidity
The average relative humidity in December is 75%.Rainfall
December is the month with the most rainfall. Rain falls for 12.7 days and accumulates 3.7" (94mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 3.5 days. Throughout December, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 21 snowfall days, and 7.05" (179mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:49 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:21 pm EST.
Sunshine
In Mashpee, 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mashpee, MA
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is August (68.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Mashpee, 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
Mashpee, MA
- Average wind speed in December: 14.9mph
The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in December
Mashpee, MA
- Average humidity in December: 75%
The months with the highest relative humidity are May, June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Mashpee, MA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Mashpee, MA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Mashpee, MA
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mashpee, MA
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mashpee, MA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
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 month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mashpee, MA
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is April (13 days).
Average UV index in December
Mashpee, 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
Mashpee, MA
- Average cloud cover in December: 50
The months with the most cloud cover are March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Mashpee, 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).





