December weather forecastSanford, NY
December
Weather in December
The first month of the winter, December, is also an icy month in Sanford, New York, with temperature in the range of an average high of 33.6°F (0.9°C) and an average low of 23.4°F (-4.8°C).Temperature
Sanford's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 43.7°F (6.5°C) to a cold 33.6°F (0.9°C). December witnesses an average low-temperature hovering around a freezing cold 23.4°F (-4.8°C).Humidity
February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Sanford, in December, it is raining for 6.9 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 104.8 rainfall days, and 9.13" (232mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sanford, in December, snow falls for 9.6 days, with typically accumulated 1.3" (33mm) of snow. Throughout the year, there are 48.7 snowfall days, and 7.44" (189mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:40 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 2.7h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Boost your sun resistance with garments that are densely woven yet spacious. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sanford, NY
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Sanford, NY
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sanford, NY
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Sanford, NY
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in December
Sanford, NY
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Sanford, NY
- Average rainfall days in December: 6.9 days
The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Sanford, NY
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sanford, NY
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sanford, NY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are February and December (Average sunshine: 2h and 42min).
Average sunshine days in December
Sanford, NY
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in December
Sanford, 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, November and December (UV index 1).
Average cloud cover in December
Sanford, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Sanford, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).
