December weather forecastDewittville, NY
December
Weather in December
The first month of the winter, December, is also an icy month in Dewittville, New York, with an average temperature fluctuating between 27°F (-2.8°C) and 35.4°F (1.9°C).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's frosty 44.1°F (6.7°C) to a wintry 35.4°F (1.9°C). Recording a slight decline in temperature during the nights, Dewittville's December temperatures average at a subzero cold 27°F (-2.8°C).Humidity
The average relative humidity in December in Dewittville is 86%.Rainfall
In Dewittville, New York, during December, the rain falls for 10 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Dewittville, there are 170.7 rainfall days, and 30.98" (787mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Dewittville. In Dewittville, New York, during December, snow falls for 17.1 days and regularly aggregates up to 7.56" (192mm) of snow. Throughout the year, in Dewittville, there are 82.7 snowfall days, and 33.07" (840mm) of snow is accumulated.Daylight
December has the shortest days of the year in Dewittville, New York, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:55 pm EST.
Sunshine
In Dewittville, the average sunshine in December is 2.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Dewittville. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
Dewittville, NY
- Average high temperature in December: 35.4°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 (28.8°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Dewittville, 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
Dewittville, NY
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Dewittville, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and September (81%).
Average rainfall in December
Dewittville, NY
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Dewittville, NY
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Dewittville, NY
- Average snowfall in December: 7.56"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dewittville, NY
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dewittville, NY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Dewittville, NY
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is January (4.9 days).
Average UV index in December
Dewittville, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Dewittville, NY
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Dewittville, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
