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 comes with a drop in the average high-temperature, falling from November's frosty 45.5°F (7.5°C) to an icy 36.5°F (2.5°C). Greencrest, during December nights, experiences a subtle shift to a low average of 29.3°F (-1.5°C) from the day's heat.Humidity
In December, the average relative humidity in Greencrest is 82%.Rainfall
In Greencrest, New York, in December, it is raining for 11.5 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 176.8 rainfall days, and 33.03" (839mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Greencrest, in December, snow falls for 12.5 days, with typically accumulated 3.43" (87mm) of snow. Throughout the year, there are 67.8 snowfall days, and 22.01" (559mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:28 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:55 pm EST.
Sunshine
The average sunshine in December is 2.7h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Greencrest?
What is the average humidity in December in Greencrest?
How many days does it rain in December in Greencrest?
How much does it snow in Greencrest in December?
What is the month with the shortest days in Greencrest?
How many hours of daylight does Greencrest have in December?
When are sunrise and sunset in December in Greencrest?
How long on average sun shines in December in Greencrest?
When is the lowest UV index in Greencrest?
How high is the UV index in December in Greencrest?
Average temperature in December
Greencrest, NY
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Greencrest, 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
Greencrest, NY
- Average wind speed in December: 13.8mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Greencrest, NY
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is September (77%).
Average rainfall in December
Greencrest, NY
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Greencrest, NY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is October (19.2 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Greencrest, NY
- Average snowfall in December: 3.43"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greencrest, NY
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greencrest, NY
- 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 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Greencrest, NY
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in December
Greencrest, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Greencrest, NY
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Greencrest, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Greencrest, New York, USA
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