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
The onset of December introduces a moderate change in Greenwood Lake's weather, with average high-temperatures falling from November's frosty 48.6°F (9.2°C) to a wintry 38.8°F (3.8°C). During December, Greenwood Lake experiences an average low-temperature of 27.9°F (-2.3°C) at night.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Greenwood Lake, in December, during 8.4 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 137.6 rainfall days, and 23.31" (592mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Greenwood Lake, New York, in December, snow falls for 3.4 days, with typically accumulated 2.24" (57mm) of snow. Throughout the year, there are 24 snowfall days, and 15.04" (382mm) of snow is accumulated.Daylight
December has the shortest days of the year in Greenwood Lake, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December in Greenwood Lake is 4.8h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold does it get in Greenwood Lake in December?
What are the most humid months in Greenwood Lake?
What is the average humidity in December in Greenwood Lake?
How many days does it rain in December in Greenwood Lake?
How much does it snow in Greenwood Lake in December?
What is the month with the shortest days in Greenwood Lake?
What is the average length of the day in December in Greenwood Lake?
What time are sunrise and sunset in December in Greenwood Lake?
How many hours of sunshine does Greenwood Lake have in December?
What is the month with the lowest UV index in Greenwood Lake?
What is the UV index reading in December in Greenwood Lake?
Average temperature in December
Greenwood Lake, NY
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Greenwood Lake, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Greenwood Lake, NY
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Greenwood Lake, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Greenwood Lake, NY
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Greenwood Lake, NY
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Greenwood Lake, NY
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greenwood Lake, NY
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenwood Lake, NY
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Greenwood Lake, NY
- Average sunshine days in December: 19.7 days
The months with the most sunshine days are January and November (21 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Greenwood Lake, NY
- 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
Greenwood Lake, NY
- Average cloud cover in December: 49
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Greenwood Lake, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
Greenwood Lake, New York, USA
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