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 subtly correlates with a reduction in the average high-temperature, down from a fresh 51.6°F (10.9°C) in November to a chilly 43.5°F (6.4°C). December's average low temperature in Hewlett Neck is a wintry 36°F (2.2°C), displaying a subtle drop from its daily peak.Humidity
The average relative humidity in December in Hewlett Neck, New York, is 75%.Rainfall
In Hewlett Neck, in December, during 10.7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Hewlett Neck, during the entire year, the rain falls for 135.3 days and collects up to 18.62" (473mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Hewlett Neck, New York. In Hewlett Neck, New York, in December, snow falls for 2.8 days, with typically accumulated 0.59" (15mm) of snow. In Hewlett Neck, during the entire year, snow falls for 15.8 days and aggregates up to 2.95" (75mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.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 Hewlett Neck, sunrise is at 7:18 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold does it get in Hewlett Neck in December?
What is the average humidity in December in Hewlett Neck?
How many days does it rain in December in Hewlett Neck?
How many days does it snow in December in Hewlett Neck?
What is the month with the shortest days in Hewlett Neck?
How many hours of daylight does Hewlett Neck have in December?
When is the sunrise / sunset in December in Hewlett Neck?
How long on average sun shines in December in Hewlett Neck?
What is the month with the lowest UV index in Hewlett Neck?
What is the UV index intensity in December in Hewlett Neck?
Average temperature in December
Hewlett Neck, NY
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Hewlett Neck, 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
Hewlett Neck, NY
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Hewlett Neck, NY
- Average humidity in December: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in December
Hewlett Neck, NY
- Average rainfall in December: 1.65"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Hewlett Neck, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Hewlett Neck, NY
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Hewlett Neck, NY
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.6 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
Hewlett Neck, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Hewlett Neck, NY
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in December
Hewlett Neck, 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
Hewlett Neck, NY
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Hewlett Neck, 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).
Hewlett Neck, New York, USA
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