December weather forecastHammondsport, NY
December
Weather in December
December, the first month of the winter in Hammondsport, is also a wintry month, with an average temperature varying between 24.6°F (-4.1°C) and 34.7°F (1.5°C).Temperature
Hammondsport in December demonstrates a small temperature transition, adjusting from an average high of a chilly 45°F (7.2°C) in November to a cold 34.7°F (1.5°C). The temperature lowers to an average of 24.6°F (-4.1°C) during December nights.Humidity
The average relative humidity in December in Hammondsport is 85%.Rainfall
In December, the rain falls for 8.6 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Hammondsport, during the entire year, the rain falls for 151.4 days and collects up to 19.8" (503mm) of precipitation.Snowfall
Months with snowfall in Hammondsport are January through May, October through December. In December, in Hammondsport, it is snowing for 14.6 days. Throughout December, 3.43" (87mm) of snow is accumulated. Throughout the year, in Hammondsport, there are 71.7 snowfall days, and 18.39" (467mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:46 pm EST.
Sunshine
In Hammondsport, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January 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 rays for the average person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. 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
Hammondsport, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in December
Hammondsport, 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
Hammondsport, NY
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in December
Hammondsport, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and July (78%).
Average rainfall in December
Hammondsport, NY
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is July (2.36").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Hammondsport, NY
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Hammondsport, NY
- Average snowfall in December: 3.43"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hammondsport, NY
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hammondsport, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Hammondsport, NY
- Average sunshine days in December: 10 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (8 days).
Average UV index in December
Hammondsport, 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 and December (UV index 1).
Average cloud cover in December
Hammondsport, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Hammondsport, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and June (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October, November and December (5mi).





