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's arrival in Mashpee signals a moderate reduction in the average high-temperature, easing from a fresh 50.9°F (10.5°C) in November to a chilly 43.3°F (6.3°C). Mashpee, during December nights, experiences a subtle shift to a low average of 35.6°F (2°C) from the day's heat.Humidity
In December, the average relative humidity in Mashpee is 75%.Rainfall
December is the month with the most rainfall in Mashpee. Rain falls for 12.7 days and accumulates 3.7" (94mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Mashpee. In Mashpee, in December, snow falls for 3.5 days, with typically accumulated 0.91" (23mm) of snow. In Mashpee, during the entire year, snow falls for 21 days and aggregates up to 7.05" (179mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:12 pm. On the last day of December, in Mashpee, 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 ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is December in Mashpee?
What is the average humidity in December in Mashpee?
What is the wettest month in Mashpee?
How much does it rain in Mashpee in December?
How much does it snow in Mashpee in December?
What is the month with the shortest days in Mashpee?
What is the average length of the day in December in Mashpee?
When is the sunrise / sunset in December in Mashpee?
How many hours of sunshine does Mashpee have in December?
What is the month with the lowest UV index in Mashpee?
What is the UV index intensity in December in Mashpee?
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 1min
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 4min
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).
Mashpee, Massachusetts, USA
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