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 onset brings a negligible change in high-temperatures, falling from a chilly 49.8°F (9.9°C) in November to a cold 41.2°F (5.1°C). Nighttime temperature in Greenbush reflects an average dip to a still icy 32.7°F (0.4°C) in December, subtly cooler than its daytime highs.Humidity
In Greenbush, the average relative humidity in December is 76%.Rainfall
In Greenbush, in December, it is raining for 8.1 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Greenbush, there are 119.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Greenbush. In Greenbush, Massachusetts, in December, during 4 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, in Greenbush, Massachusetts, there are 23.1 snowfall days, and 2.95" (75mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:21 pm EST.
Sunshine
The months with the least sunshine in Greenbush are February and December, with an average of 4.8h of 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Greenbush in December?
What is the average humidity in December in Greenbush?
How much does it rain in Greenbush in December?
How much does it snow in Greenbush in December?
What is the month with the shortest days in Greenbush?
What is the average length of the day in December in Greenbush?
When is the sunrise / sunset in December in Greenbush?
What are the months with the least sunshine in Greenbush?
How long on average sun shines in December in Greenbush?
What is the month with the lowest UV index in Greenbush?
What is the UV index reading in December in Greenbush?
Average temperature in December
Greenbush, MA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Greenbush, 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
Greenbush, MA
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Greenbush, MA
- Average humidity in December: 76%
The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are April and November (74%).
Average rainfall in December
Greenbush, MA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Greenbush, MA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Greenbush, MA
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Greenbush, MA
- Average snowfall days in December: 4 days
The months with the highest number of snowfall days are January and February (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenbush, 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 5min
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 48min).
Average sunshine days in December
Greenbush, MA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (15.9 days).
Average UV index in December
Greenbush, 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
Greenbush, MA
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Greenbush, 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).
Greenbush, Massachusetts, USA
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