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
As December begins, there is a decrease in the average high-temperature, falling from a chilly 42.8°F (6°C) in November to an icy 32.4°F (0.2°C). Throughout December, Roseboom witnesses a consistent average low-temperature of 22.8°F (-5.1°C).Humidity
In Roseboom, New York, the average relative humidity in December is 86%.Rainfall
In Roseboom, in December, it is raining for 11.1 days, with typically 2.64" (67mm) of accumulated precipitation. In Roseboom, New York, during the entire year, the rain falls for 166.3 days and collects up to 33.7" (856mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Roseboom, New York, in December, snow falls for 17.1 days, with typically accumulated 7.83" (199mm) of snow. Throughout the year, there are 88 snowfall days, and 46.42" (1179mm) of snow is accumulated.Daylight
December has the shortest days of the year in Roseboom, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:35 pm EST.
Sunshine
In December, the average sunshine in Roseboom is 3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Roseboom?
What is the average humidity in December in Roseboom?
How much does it rain in Roseboom in December?
How many days does it snow in December in Roseboom?
What is the month with the shortest days in Roseboom?
How many hours of daylight does Roseboom have in December?
What time are sunrise and sunset in December in Roseboom?
How long on average sun shines in December in Roseboom?
When is the lowest UV index in Roseboom?
What is the UV index reading in December in Roseboom?
Average temperature in December
Roseboom, NY
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Roseboom, 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 (29.93"Hg).
Average wind speed in December
Roseboom, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Roseboom, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (79%).
Average rainfall in December
Roseboom, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Roseboom, NY
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Roseboom, NY
- Average snowfall in December: 7.83"
The month with the highest snowfall is January (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Roseboom, NY
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roseboom, 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: 3h 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: 2h and 42min).
Average sunshine days in December
Roseboom, NY
- Average sunshine days in December: 8 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in December
Roseboom, 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, February, November and December (UV index 1).
Average cloud cover in December
Roseboom, NY
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Roseboom, 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).
Roseboom, New York, USA
Weather forecast for your location
2. Allow the app to use your location
