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
With December's onset, the weather shows a temperature decrease, transitioning from an icy 40.3°F (4.6°C) in November to a subzero cold 29.1°F (-1.6°C). December nights experience a consistent temperature drop to a still freezing cold 18.9°F (-7.3°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Wilmington, in December, it is raining for 10.9 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 176.2 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Wilmington, in December, snow falls for 19.6 days, with typically accumulated 8.5" (216mm) of snow. Throughout the year, in Wilmington, there are 104.5 snowfall days, and 55.87" (1419mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:25 pm EST.
Sunshine
The average sunshine in December is 3.4h.UV index
January, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Wilmington have in December?
What time are sunrise and sunset in December in Wilmington?
How many hours of sunshine does Wilmington have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Wilmington, NY
- Average high temperature in December: 29.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in December
Wilmington, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Wilmington, NY
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Wilmington, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Wilmington, NY
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Wilmington, NY
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Wilmington, NY
- Average snowfall in December: 8.5"
The month with the highest snowfall is February (12.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wilmington, NY
- Average snowfall days in December: 19.6 days
The months with the highest number of snowfall days are January and February (21.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wilmington, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Wilmington, NY
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Wilmington, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in December
Wilmington, NY
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Wilmington, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Wilmington, New York, USA
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