December weather forecastHector, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Hector, New York, with an average temperature varying between 25.3°F (-3.7°C) and 34.7°F (1.5°C).Temperature
The start of December involves a temperature drop, moving from a chilly 44.8°F (7.1°C) in November to an icy 34.7°F (1.5°C). In Hector, the average nighttime temperature during December is a freezing cold 25.3°F (-3.7°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Hector, New York, in December, during 9.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Hector, there are 162.3 rainfall days, and 29.02" (737mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hector are January through May, October through December. In December, in Hector, New York, it is snowing for 15.9 days. Throughout December, 6.81" (173mm) of snow is accumulated. In Hector, during the entire year, snow falls for 82.8 days and aggregates up to 35.28" (896mm) of snow.Daylight
December has the shortest days of the year in Hector, New York, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hector. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hector, NY
- Average high temperature in December: 34.7°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 (28.6°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Hector, 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
Hector, NY
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Hector, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Hector, NY
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Hector, NY
- Average rainfall days in December: 9.2 days
The months with the highest number of rainy days are July and August (18.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Hector, NY
- Average snowfall in December: 6.81"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hector, NY
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is February (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hector, 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: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Hector, NY
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (6 days).
Average UV index in December
Hector, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Hector, NY
- Average cloud cover in December: 69
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Hector, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February, March, July, August, September, November and December (5mi).





