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 transition to December results in a modest reduction in average high-temperature, moving from a fresh 51.6°F (10.9°C) in November to a frosty 43.7°F (6.5°C). Recording a slight drop from the daily maximum, Lynbrook notes an average low temperature of 36°F (2.2°C) in the month of December.Humidity
The average relative humidity in December is 74%.Rainfall
In Lynbrook, New York, in December, during 6.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 105.1 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.3 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Lynbrook, there are 9.4 snowfall days, and 0.63" (16mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lynbrook, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of December, in Lynbrook, sunrise is at 7:18 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine in Lynbrook, New York, is 5h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is it cold in Lynbrook during December?
What is the average humidity in December in Lynbrook?
How much does it rain in Lynbrook in December?
When does it start to snow in Lynbrook?
What is the month with the shortest days in Lynbrook?
How many hours of daylight does Lynbrook have in December?
When are sunrise and sunset in December in Lynbrook?
How many hours of sunshine does Lynbrook have in December?
When is the lowest UV index in Lynbrook?
What is the UV index intensity in December in Lynbrook?
Average temperature in December
Lynbrook, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Lynbrook, 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
Lynbrook, NY
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in December
Lynbrook, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Lynbrook, NY
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in December
Lynbrook, NY
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and November (5.2 days).
Average snowfall in December
Lynbrook, NY
- Average snowfall in December: 0.12"
The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Lynbrook, NY
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Lynbrook, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Lynbrook, NY
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in December
Lynbrook, 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 and December (UV index 2).
Average cloud cover in December
Lynbrook, NY
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Lynbrook, 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).
Lynbrook, New York, USA
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