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 comes with a decrease in the average high-temperature, falling from a chilly 48.2°F (9°C) in November to an icy 38.3°F (3.5°C). The average temperature during December nights dips to a freezing cold 26.8°F (-2.9°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Stormville, during December, the rain falls for 11.9 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 157.6 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.7 days. Throughout December, 3.31" (84mm) of snow is accumulated. In Stormville, during the entire year, snow falls for 35.9 days and aggregates up to 16.57" (421mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:35 pm EST.
Sunshine
The average sunshine in December in Stormville is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December in Stormville?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Stormville have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index in Stormville?
What is the UV index reading in December?
Average temperature in December
Stormville, NY
- Average high temperature in December: 38.3°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 (32.7°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 (20.1°F).
Average pressure in December
Stormville, NY
- Average pressure in December: 30.06"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
Stormville, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Stormville, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Stormville, NY
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Stormville, NY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Stormville, NY
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stormville, NY
- Average snowfall days in December: 6.7 days
The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stormville, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Stormville, NY
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in December
Stormville, 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, November and December (UV index 2).
Average cloud cover in December
Stormville, NY
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Stormville, 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).
Stormville, New York, USA
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