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
December's arrival correlates with a reduction in the average high-temperature, down from a frosty 48.2°F (9°C) in November to a wintry 38.3°F (3.5°C). Hillside Lake, during the nights of December, experiences an average temperature drop to a subzero cold 26.8°F (-2.9°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Hillside Lake.Rainfall
In Hillside Lake, in December, during 11.9 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Hillside Lake, New York, during the entire year, the rain falls for 157.6 days and collects up to 28.9" (734mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.7 days. Throughout December, 3.31" (84mm) of snow is accumulated. Throughout the year, in Hillside Lake, there are 35.9 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Hillside Lake, New York.On the first day of December in Hillside Lake, sunrise is at 7:03 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:35 pm EST.
Sunshine
In December, the average sunshine in Hillside Lake, New York, is 4.8h.UV index
The months with the lowest UV index in Hillside Lake are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hillside Lake in December?
What is the most humid month in Hillside Lake?
What is the average humidity in December in Hillside Lake?
How many days does it rain in December in Hillside Lake?
How much does it snow in Hillside Lake in December?
What is the month with the shortest days in Hillside Lake?
How many hours of daylight does Hillside Lake have in December?
What time are sunrise and sunset in December in Hillside Lake?
How long on average sun shines in December in Hillside Lake?
When is the lowest UV index in Hillside Lake?
What is the UV index reading in December in Hillside Lake?
Average temperature in December
Hillside Lake, NY
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Hillside Lake, 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
Hillside Lake, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Hillside Lake, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Hillside Lake, NY
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Hillside Lake, NY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Hillside Lake, NY
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hillside Lake, NY
- Average snowfall days in December: 6.7 days
The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hillside Lake, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Hillside Lake, NY
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in December
Hillside Lake, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Hillside Lake, NY
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Hillside Lake, 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).
Hillside Lake, New York, USA
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