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
Sentinel Heights experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 44.8°F (7.1°C) in November to a cold 34.2°F (1.2°C). Sentinel Heights records a slight downturn in temperature to an average of 25.2°F (-3.8°C) during December nights.Humidity
In December, the average relative humidity is 85%.Rainfall
In Sentinel Heights, in December, it is raining for 8.8 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 148.8 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sentinel Heights, New York, are January through April, October through December. December is the month with the most snowfall in Sentinel Heights. Snow falls for 13.3 days and accumulates 5.87" (149mm) of snow.Daylight
The month with the shortest days in Sentinel Heights is December, with an average of 9h and 6min of daylight.On the first day of December in Sentinel Heights, New York, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:40 pm EST.
Sunshine
The average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Sentinel Heights. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. 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 December in Sentinel Heights?
What is the average humidity in December in Sentinel Heights?
How many days does it rain in December in Sentinel Heights?
When does it snow the most in Sentinel Heights?
How much does it snow in Sentinel Heights in December?
What is the month with the shortest days in Sentinel Heights?
What is the average length of the day in December in Sentinel Heights?
When is the sunrise / sunset in December in Sentinel Heights?
How long on average sun shines in December in Sentinel Heights?
When is the lowest UV index in Sentinel Heights?
How high is the UV index in December in Sentinel Heights?
Average temperature in December
Sentinel Heights, NY
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in December
Sentinel Heights, 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
Sentinel Heights, NY
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in December
Sentinel Heights, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Sentinel Heights, NY
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Sentinel Heights, NY
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Sentinel Heights, NY
- Average snowfall in December: 5.87"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sentinel Heights, NY
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sentinel Heights, 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: 2h and 5min
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 24min).
Average sunshine days in December
Sentinel Heights, NY
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Sentinel Heights, 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
Sentinel Heights, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Sentinel Heights, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Sentinel Heights, New York, USA
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