December weather forecastWantagh, NY
December
Weather in December
December, the first month of the winter in Wantagh, is still a chilly month, with an average temperature varying between 36.3°F (2.4°C) and 43.7°F (6.5°C).Temperature
December brings a slight decrease in the average high-temperature, shifting from a fresh 51.4°F (10.8°C) in November to a frosty 43.7°F (6.5°C). Wantagh's nighttime temperature in December shows a minor descent, with a steady average of 36.3°F (2.4°C).Humidity
In December, the average relative humidity is 74%.Rainfall
In Wantagh, in December, during 10.9 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 146.9 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Wantagh, in December, snow falls for 2.3 days, with typically accumulated 0.79" (20mm) of snow. In Wantagh, during the entire year, snow falls for 15.3 days and aggregates up to 4.65" (118mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Wantagh.On the first day of December, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:36 pm EST.
Sunshine
The average sunshine in December is 4.9h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wantagh, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 36.3°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Wantagh, 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
Wantagh, NY
- Average wind speed in December: 12.5mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in December
Wantagh, 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
Wantagh, NY
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Wantagh, NY
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Wantagh, NY
- Average snowfall in December: 0.79"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wantagh, NY
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (4.5 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
Wantagh, NY
- Average daylight in December: 9h and 18min
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: 4h and 54min
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
Wantagh, NY
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Wantagh, 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
Wantagh, NY
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Wantagh, 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).





