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
In Washingtonville, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 48.4°F (9.1°C) to a wintry 38.5°F (3.6°C). In December, Washingtonville experiences an average nighttime temperature of 26.8°F (-2.9°C).Humidity
The months with the highest humidity in Washingtonville are February, October and December, with an average relative humidity of 81%.Rainfall
In December, in Washingtonville, the rain falls for 8.7 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Washingtonville, there are 135.6 rainfall days, and 25.39" (645mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Washingtonville, it is snowing for 4.8 days. Throughout December, 3.03" (77mm) of snow is accumulated. Throughout the year, there are 27.2 snowfall days, and 17.2" (437mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Washingtonville, New York, sunrise is at 7:04 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:37 pm EST.
Sunshine
In Washingtonville, New York, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Washingtonville are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Washingtonville?
What is the most humid month in Washingtonville?
What is the average humidity in December in Washingtonville?
How many days does it rain in December in Washingtonville?
How much does it snow in Washingtonville in December?
What is the month with the shortest days in Washingtonville?
How many hours of daylight does Washingtonville have in December?
When is the sunrise / sunset in December in Washingtonville?
How many hours of sunshine does Washingtonville have in December?
When is the lowest UV index in Washingtonville?
What is the UV index reading in December in Washingtonville?
Average temperature in December
Washingtonville, NY
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Washingtonville, 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
Washingtonville, NY
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are February and March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Washingtonville, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Washingtonville, NY
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is October (2.64").
The driest months (with the least rainfall) are January and September (1.54").
Average rainfall days in December
Washingtonville, NY
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Washingtonville, NY
- Average snowfall in December: 3.03"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Washingtonville, NY
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Washingtonville, NY
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Washingtonville, NY
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (20.6 days).
The months with the least sunshine days are May and June (13.5 days).
Average UV index in December
Washingtonville, NY
- Average UV index in December: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Washingtonville, NY
- Average cloud cover in December: 51
The months with the most cloud cover are February, March and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Washingtonville, NY
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Washingtonville, New York, USA
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