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 DeWitt, the average high-temperature in December decreases from a frosty 44.8°F (7.1°C) in November to a wintry 34.2°F (1.2°C). DeWitt logs an average low-temperature of 25.2°F (-3.8°C) during the nights of December, subtly lower than its daytime highs.Humidity
The average relative humidity in December in DeWitt, New York, is 85%.Rainfall
In DeWitt, New York, in December, it is raining for 8.8 days, with typically 1.97" (50mm) of accumulated precipitation. In DeWitt, during the entire year, the rain falls for 148.8 days and collects up to 25" (635mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 13.3 days and accumulates 5.87" (149mm) of snow.Daylight
December has the shortest days of the year in DeWitt, with an average of 9h and 6min of daylight.On the first day of December in DeWitt, sunrise is at 7:16 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December in DeWitt is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in DeWitt. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is December in DeWitt?
What is the average humidity in December in DeWitt?
How much does it rain in DeWitt in December?
When does it snow the most in DeWitt?
How many days does it snow in December in DeWitt?
What is the month with the shortest days in DeWitt?
What is the average length of the day in December in DeWitt?
When are sunrise and sunset in December in DeWitt?
How many hours of sunshine does DeWitt have in December?
What is the month with the lowest UV index in DeWitt?
What is the UV index intensity in December in DeWitt?
Average temperature in December
DeWitt, NY
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in December
DeWitt, 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 (29.92"Hg).
Average wind speed in December
DeWitt, NY
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in December
DeWitt, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
DeWitt, NY
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
DeWitt, NY
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
DeWitt, NY
- Average snowfall in December: 5.87"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
DeWitt, NY
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
DeWitt, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
DeWitt, NY
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
DeWitt, 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
DeWitt, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
DeWitt, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
DeWitt, New York, USA
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