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 comes with a decrease in the average high-temperature, moving from a frosty 44.8°F (7.1°C) in November to a cold 34.7°F (1.5°C). Griffins Mills's December nights witness minimal differential from the daytime temperatures, with averages of 26.1°F (-3.3°C).Humidity
The average relative humidity in December is 86%.Rainfall
In Griffins Mills, in December, it is raining for 10.5 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, in Griffins Mills, there are 174.6 rainfall days, and 29.29" (744mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Griffins Mills, in December, snow falls for 17.9 days, with typically accumulated 7.28" (185mm) of snow. In Griffins Mills, New York, during the entire year, snow falls for 88.4 days and aggregates up to 38.39" (975mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:51 pm EST.
Sunshine
In December, the average sunshine in Griffins Mills, New York, is 2.7h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Griffins Mills. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Griffins Mills?
What is the average humidity in December in Griffins Mills?
How much does it rain in Griffins Mills in December?
How many days does it snow in December in Griffins Mills?
What is the month with the shortest days in Griffins Mills?
What is the average length of the day in December in Griffins Mills?
What time are sunrise and sunset in December in Griffins Mills?
How many hours of sunshine does Griffins Mills have in December?
What are the months with the lowest UV index in Griffins Mills?
What is the UV index intensity in December in Griffins Mills?
Average temperature in December
Griffins Mills, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Griffins Mills, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Griffins Mills, NY
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Griffins Mills, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May, July and September (78%).
Average rainfall in December
Griffins Mills, NY
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Griffins Mills, NY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Griffins Mills, NY
- Average snowfall in December: 7.28"
The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Griffins Mills, NY
- Average snowfall days in December: 17.9 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Griffins Mills, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Griffins Mills, NY
- Average sunshine days in December: 7 days
The month with the most sunshine days is September (11.9 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in December
Griffins Mills, 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
Griffins Mills, 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 31).
Average visibility in December
Griffins Mills, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Griffins Mills, New York, USA
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