December weather forecastFarmingdale, NY
December
Weather in December
December, the first month of the winter in Farmingdale, is still a chilly month, with an average temperature varying between 36.7°F (2.6°C) and 43.7°F (6.5°C).Temperature
December sees a slight reduction in average high-temperature, with a shift from a cool 51.6°F (10.9°C) in November to a frosty 43.7°F (6.5°C). The nights of December cool down to an average low of 36.7°F (2.6°C), subtly lower than daytime highs.Humidity
In December, the average relative humidity is 74%.Rainfall
In Farmingdale, in December, it is raining for 9.3 days, with typically 1.14" (29mm) of accumulated precipitation. In Farmingdale, during the entire year, the rain falls for 128.1 days and collects up to 12.56" (319mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Farmingdale. In December, in Farmingdale, it is snowing for 1.7 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Farmingdale, during the entire year, snow falls for 12 days and aggregates up to 1.26" (32mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Farmingdale.On the first day of December in Farmingdale, 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
In Farmingdale, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Farmingdale 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 unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Farmingdale, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Farmingdale, 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
Farmingdale, NY
- Average wind speed in December: 12.8mph
The windiest month (with the highest average wind speed) is January (13.3mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in December
Farmingdale, 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
Farmingdale, NY
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in December
Farmingdale, NY
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Farmingdale, NY
- Average snowfall in December: 0.24"
The month with the highest snowfall is March (0.35").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Farmingdale, NY
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (3.8 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
Farmingdale, 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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Farmingdale, NY
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Farmingdale, 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
Farmingdale, 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
Farmingdale, 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).





