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
The start of December involves a temperature drop, moving from a chilly 46.6°F (8.1°C) in November to a wintry 36.1°F (2.3°C). Byrdcliffe observes an average low-temperature of 25°F (-3.9°C) during December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In Byrdcliffe, in December, it is raining for 13.4 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 171.2 rainfall days, and 27.99" (711mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Byrdcliffe, in December, during 9.9 snowfall days, 4.92" (125mm) of snow is typically accumulated. Throughout the year, there are 52.3 snowfall days, and 23.78" (604mm) of snow is accumulated.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 7:05 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:35 pm EST.
Sunshine
In Byrdcliffe, the average sunshine in December is 4.9h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Byrdcliffe. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December in Byrdcliffe?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Byrdcliffe have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Byrdcliffe, NY
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Byrdcliffe, 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
Byrdcliffe, NY
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Byrdcliffe, NY
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Byrdcliffe, NY
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Byrdcliffe, NY
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in December
Byrdcliffe, NY
- Average snowfall in December: 4.92"
The month with the highest snowfall is February (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Byrdcliffe, NY
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Byrdcliffe, 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 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Byrdcliffe, NY
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Byrdcliffe, NY
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Byrdcliffe, NY
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Byrdcliffe, 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).
Byrdcliffe, New York, USA
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