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
In the transition to December, Sterling observes a drop in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in November to a cold 36.1°F (2.3°C). Sterling consistently logs a low temperature averaging a subzero cold 28.6°F (-1.9°C) during December, a modest drop from daytime temperatures.Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Sterling, during the entire year, the rain falls for 176.6 days and collects up to 35.51" (902mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sterling, in December, snow falls for 14.5 days, with typically accumulated 5.71" (145mm) of snow. In Sterling, during the entire year, snow falls for 70.7 days and aggregates up to 28.54" (725mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:40 pm EST.
Sunshine
In Sterling, the average sunshine in December is 3h.UV index
The months with the lowest UV index in Sterling are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Sterling?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sterling have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Sterling, NY
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Sterling, 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
Sterling, NY
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Sterling, NY
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Sterling, NY
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is October (3.82").
The driest months (with the least rainfall) are March and September (2.32").
Average rainfall days in December
Sterling, NY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Sterling, NY
- Average snowfall in December: 5.71"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sterling, NY
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sterling, NY
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Sterling, NY
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in December
Sterling, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Sterling, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Sterling, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Sterling, New York, USA
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