December weather forecastHampton Bays, NY
December
Weather in December
December, the first month of the winter in Hampton Bays, is still a chilly month, with an average temperature varying between 45.3°F (7.4°C) and 38.3°F (3.5°C).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a cool 52.9°F (11.6°C) in November to a frosty 45.3°F (7.4°C). During the nights of December, Hampton Bays records an average temperature of 38.3°F (3.5°C), a minor drop from daytime peaks.Humidity
The average relative humidity in December is 74%.Rainfall
The month with the most rainfall in Hampton Bays is December, when the rain falls for 12.9 days and typically aggregates up to 4.06" (103mm) of precipitation.Snowfall
January through March, May and December are months with snowfall in Hampton Bays. December is the first month it typically snows in Hampton Bays, New York. Throughout December, in the average 2.3 snowfall days, it receives 0.91" (23mm) of snow. Throughout the year, in Hampton Bays, there are 15.4 snowfall days, and 5.43" (138mm) of snow is accumulated.Daylight
December has the shortest days of the year in Hampton Bays, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:32 pm EST.
Sunshine
The month with the least sunshine in Hampton Bays is December, with an average of 4.7h of sunshine.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hampton Bays, NY
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 38.3°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Hampton Bays, NY
- Average pressure in December: 30.05"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
Hampton Bays, NY
- Average wind speed in December: 15.6mph
The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).
Average humidity in December
Hampton Bays, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in December
Hampton Bays, NY
- Average rainfall in December: 4.06"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Hampton Bays, NY
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Hampton Bays, NY
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Hampton Bays, NY
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hampton Bays, NY
- Average daylight in December: 9h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Hampton Bays, NY
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Hampton Bays, 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
Hampton Bays, NY
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Hampton Bays, 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).
