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
Rossburg's December weather features a mild decline in high-temperatures, reducing from a chilly 43.3°F (6.3°C) in November to a wintry 33.6°F (0.9°C). Rossburg observes an average nighttime temperature of 23.9°F (-4.5°C) during December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Rossburg, during December, the rain falls for 8.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 158.7 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 17.6 days. Throughout December, 8.39" (213mm) of snow is accumulated. Throughout the year, there are 96.3 snowfall days, and 46.38" (1178mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 2.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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 in Rossburg?
What is the month with the shortest days?
How many hours of daylight does Rossburg have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December in Rossburg?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rossburg, NY
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Rossburg, 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
Rossburg, NY
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Rossburg, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Rossburg, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Rossburg, NY
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Rossburg, NY
- Average snowfall in December: 8.39"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rossburg, NY
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rossburg, NY
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Rossburg, NY
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in December
Rossburg, 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
Rossburg, NY
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Rossburg, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Rossburg, New York, USA
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