December weather forecastBethpage, NY
December
Weather in December
The first month of the winter, December, is also a frosty month in Bethpage, New York, with an average temperature varying between 43.5°F (6.4°C) and 36.3°F (2.4°C).Temperature
Bethpage's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 51.4°F (10.8°C) to a frosty 43.5°F (6.4°C). A consistent average low of 36.3°F (2.4°C) is noted throughout December, only a small step down from its daytime high.Humidity
The average relative humidity in December in Bethpage is 74%.Rainfall
In Bethpage, in December, it is raining for 12.5 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Bethpage, New York, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bethpage are January through April, October through December. In Bethpage, New York, in December, snow falls for 2.6 days, with typically accumulated 0.71" (18mm) of snow. In Bethpage, New York, during the entire year, snow falls for 17.3 days and aggregates up to 4.25" (108mm) of snow.Daylight
The month with the shortest days is December, 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 4:27 pm. On the last day of December, 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 in Bethpage 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 vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
Bethpage, NY
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Bethpage, NY
- Average pressure in December: 30.06"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
Bethpage, 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 (8.6mph).
Average humidity in December
Bethpage, 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
Bethpage, NY
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Bethpage, NY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Bethpage, NY
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bethpage, NY
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (5.5 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
Bethpage, 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 42min).
Average sunshine days in December
Bethpage, NY
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Bethpage, 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
Bethpage, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Bethpage, 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).
