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 witnesses a gentle descent in average high-temperature, descending from November's cool 51.6°F (10.9°C) to a frosty 43.7°F (6.5°C). Throughout December nights, South Farmingdale records a consistent low-temperature averaging an icy 36.7°F (2.6°C).Humidity
In December, the average relative humidity is 74%.Rainfall
In South Farmingdale, in December, it is raining for 9.3 days, with typically 1.14" (29mm) of accumulated precipitation. In South Farmingdale, during the entire year, the rain falls for 128.1 days and collects up to 12.56" (319mm) of precipitation.Snowfall
Months with snowfall in South Farmingdale are January through May, November and December. In December, it is snowing for 1.7 days. Throughout December, 0.24" (6mm) of snow is accumulated. In South Farmingdale, during the entire year, snow falls for 12 days and aggregates up to 1.26" (32mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.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
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index in South Farmingdale are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in South Farmingdale in December?
What is the average humidity in December in South Farmingdale?
How much does it rain in South Farmingdale in December?
How much does it snow in South Farmingdale in December?
What is the month with the shortest days in South Farmingdale?
What is the average length of the day in December in South Farmingdale?
When is the sunrise / sunset in December in South Farmingdale?
How long on average sun shines in December in South Farmingdale?
What are the months with the lowest UV index in South Farmingdale?
What is the UV index reading in December in South Farmingdale?
Average temperature in December
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South Farmingdale, 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: 4h and 5min
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
South 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
South 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
South 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
South 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).
South Farmingdale, New York, USA
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