December weather forecastSidney, NY
December
Weather in December
December, the first month of the winter in Sidney, is also a wintry month, with an average temperature ranging between min 23.2°F (-4.9°C) and max 32.9°F (0.5°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's frosty 43.2°F (6.2°C) to a wintry 32.9°F (0.5°C). Sidney's temperature tends to fall to an average low of 23.2°F (-4.9°C) during the nights of December.Humidity
February and December, with an average relative humidity of 87%, are the most humid months in Sidney.Rainfall
In Sidney, in December, it is raining for 9.5 days, with typically 1.77" (45mm) of accumulated precipitation. In Sidney, during the entire year, the rain falls for 156.8 days and collects up to 24.88" (632mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Sidney. In Sidney, New York, in December, snow falls for 14.7 days, with typically accumulated 5" (127mm) of snow. Throughout the year, in Sidney, there are 78.3 snowfall days, and 27.87" (708mm) of snow is accumulated.Daylight
The month with the shortest days in Sidney is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:39 pm EST.
Sunshine
In Sidney, the average sunshine in December is 2.7h.UV index
The months with the lowest UV index in Sidney are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sidney, NY
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.2°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 (15.3°F).
Average pressure in December
Sidney, NY
- Average pressure in December: 30.07"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
Sidney, NY
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Sidney, NY
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in December
Sidney, NY
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is August (2.68").
The driest months (with the least rainfall) are January and February (1.61").
Average rainfall days in December
Sidney, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Sidney, NY
- Average snowfall in December: 5"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sidney, NY
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sidney, NY
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Sidney, NY
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Sidney, 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, February, November and December (UV index 1).
Average cloud cover in December
Sidney, NY
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Sidney, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
