December weather forecastHannawa Falls, NY
December
Weather in December
December, the first month of the winter in Hannawa Falls, is still a freezing cold month, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 20.3°F (-6.5°C).Temperature
The onset of December results in a decrease in the average high-temperature, receding from a wintry 41.9°F (5.5°C) in November to a subzero cold 30.2°F (-1°C). Throughout the month of December, Hannawa Falls observes an average nighttime temperature of 20.3°F (-6.5°C).Humidity
In Hannawa Falls, the average relative humidity in December is 86%.Rainfall
In Hannawa Falls, in December, during 9.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Hannawa Falls, there are 156 rainfall days, and 29.72" (755mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hannawa Falls. In Hannawa Falls, New York, in December, during 14.6 snowfall days, 6.34" (161mm) of snow is typically accumulated. In Hannawa Falls, during the entire year, snow falls for 74.7 days and aggregates up to 37.99" (965mm) of snow.Daylight
December has the shortest days of the year in Hannawa Falls, New York, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:29 pm EST.
Sunshine
In December, the average sunshine is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hannawa Falls, NY
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 20.3°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 (10.8°F).
Average pressure in December
Hannawa Falls, NY
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hannawa Falls, NY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Hannawa Falls, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Hannawa Falls, NY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.03").
The driest months (with the least rainfall) are March and September (2.01").
Average rainfall days in December
Hannawa Falls, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Hannawa Falls, NY
- Average snowfall in December: 6.34"
The month with the highest snowfall is January (8.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hannawa Falls, NY
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hannawa Falls, NY
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in December
Hannawa Falls, NY
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Hannawa Falls, NY
- Average UV index in December: 1
The months with the highest UV index are 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
Hannawa Falls, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Hannawa Falls, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





