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 is characterized by a reduction in the average high-temperature, from a cold 39°F (3.9°C) in November to a subzero cold 29.1°F (-1.6°C). Nighttime temperatures hover around an average low of 18.7°F (-7.4°C) in December.Humidity
In Long Lake, the average relative humidity in December is 87%.Rainfall
In Long Lake, in December, it is raining for 8.6 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 140 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 18.5 days. Throughout December, 9.92" (252mm) of snow is accumulated. In Long Lake, during the entire year, snow falls for 100.5 days and aggregates up to 58.23" (1479mm) 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 7:12 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:29 pm EST.
Sunshine
In Long Lake, the average sunshine in December is 2.8h.UV index
January, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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?
How many days does it rain in December?
How much 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 Long Lake have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Long Lake, NY
- Average high temperature in December: 29.1°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in December
Long Lake, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Long Lake, NY
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in December
Long Lake, NY
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Long Lake, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is July (1.69").
Average rainfall days in December
Long Lake, NY
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Long Lake, NY
- Average snowfall in December: 9.92"
The month with the highest snowfall is February (11.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Long Lake, NY
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Long Lake, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).
Average sunshine days in December
Long Lake, NY
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (7 days).
Average UV index in December
Long Lake, 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, March and December (UV index 1).
Average cloud cover in December
Long Lake, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 79).
The months with the least cloud cover are July, August and September (Cloud cover 41).
Average visibility in December
Long Lake, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Long Lake, New York, USA
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