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 shows a mild decline in the average high-temperature, falling from November's fresh 50.9°F (10.5°C) to an icy 41°F (5°C). An average low-temperature of 30.7°F (-0.7°C) is recorded during the nights in December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 77%.Rainfall
In Sparkill, during December, the rain falls for 10.4 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, in Sparkill, there are 151.8 rainfall days, and 30.79" (782mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Sparkill, in December, during 3.5 snowfall days, 1.85" (47mm) of snow is typically accumulated. Throughout the year, in Sparkill, there are 19 snowfall days, and 9.41" (239mm) of snow is accumulated.Daylight
December has the shortest days of the year in Sparkill, New York, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:37 pm EST.
Sunshine
The average sunshine in December is 4.9h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold does it get in Sparkill in December?
What is the most humid month in Sparkill?
What is the average humidity in December in Sparkill?
How much does it rain in Sparkill in December?
How much does it snow in Sparkill in December?
What is the month with the shortest days in Sparkill?
How many hours of daylight does Sparkill have in December?
When is the sunrise / sunset in December in Sparkill?
How many hours of sunshine does Sparkill have in December?
What are the months with the lowest UV index in Sparkill?
What is the UV index intensity in December in Sparkill?
Average temperature in December
Sparkill, NY
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Sparkill, 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
Sparkill, NY
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Sparkill, NY
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Sparkill, NY
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Sparkill, NY
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Sparkill, NY
- Average snowfall in December: 1.85"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sparkill, NY
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.8 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
Sparkill, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Sparkill, NY
- Average sunshine days in December: 17.6 days
The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Sparkill, 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
Sparkill, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Sparkill, NY
- 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).
Sparkill, New York, USA
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