December weather forecastSand Lake, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Sand Lake, New York, with an average temperature varying between 34.2°F (1.2°C) and 23.9°F (-4.5°C).Temperature
Sand Lake's December weather shows a moderate shift in high-temperatures, falling from November's chilly 45°F (7.2°C) to a cold 34.2°F (1.2°C). During the nights in December, the temperature averages to a subzero cold 23.9°F (-4.5°C).Humidity
The average relative humidity in December is 82%.Rainfall
In December, in Sand Lake, the rain falls for 9.5 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Sand Lake, there are 140.6 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Sand Lake, New York, during December, snow falls for 7.9 days and regularly aggregates up to 4.53" (115mm) of snow. Throughout the year, in Sand Lake, there are 44.8 snowfall days, and 23.27" (591mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:21 pm. On the last day of December, in Sand Lake, sunrise is at 7:24 am and sunset at 4:30 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Sand Lake. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sand Lake, NY
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Sand Lake, 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
Sand Lake, NY
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Sand Lake, NY
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Sand Lake, NY
- Average rainfall in December: 1.89"
The wettest months (with the highest rainfall) are May and October (2.52").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Sand Lake, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Sand Lake, NY
- Average snowfall in December: 4.53"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sand Lake, NY
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sand Lake, NY
- Average daylight in December: 9h and 6min
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: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Sand Lake, NY
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
Sand Lake, NY
- Average UV index in December: 2
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, February, March, October, November and December (UV index 2).
Average cloud cover in December
Sand Lake, NY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Sand Lake, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
