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 brings a drop in Stephentown's average high-temperature, falling from a frosty 43.7°F (6.5°C) in November to a cold 33.1°F (0.6°C). Stephentown's average low-temperature during December nights is observed to be a freezing cold 22.6°F (-5.2°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In Stephentown, in December, during 7.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, in Stephentown, there are 102.9 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Snowfall
Months with snowfall in Stephentown are January through May, October through December. In Stephentown, New York, during December, snow falls for 9 days and regularly aggregates up to 1.06" (27mm) of snow. In Stephentown, during the entire year, snow falls for 53.1 days and aggregates up to 8.15" (207mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:04 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:30 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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 many days does it snow in December?
What is the month with the shortest days in Stephentown?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Stephentown have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Stephentown, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Stephentown, 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
Stephentown, NY
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Stephentown, NY
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Stephentown, NY
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are March and September (0.47").
Average rainfall days in December
Stephentown, NY
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (11.2 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Stephentown, NY
- Average snowfall in December: 1.06"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stephentown, NY
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stephentown, 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: 4h and 0min
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 30min).
Average sunshine days in December
Stephentown, NY
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (15.6 days).
Average UV index in December
Stephentown, NY
- Average UV index in December: 2
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, February, March, October, November and December (UV index 2).
Average cloud cover in December
Stephentown, NY
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Stephentown, 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).
Stephentown, New York, USA
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