December weather forecastStella Niagara, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Stella Niagara, New York, with an average temperature varying between 28.8°F (-1.8°C) and 36.3°F (2.4°C).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a frosty 45.9°F (7.7°C) in November to a wintry 36.3°F (2.4°C). Stella Niagara sustains an average of approximately a subzero cold 28.8°F (-1.8°C) during December nights, with little variation from daytime highs.Humidity
In December, the average relative humidity is 81%.Rainfall
In Stella Niagara, in December, it is raining for 11.1 days, with typically 2.24" (57mm) of accumulated precipitation. In Stella Niagara, New York, during the entire year, the rain falls for 169.3 days and collects up to 30.31" (770mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Stella Niagara, in December, during 13.5 snowfall days, 3.7" (94mm) of snow is typically accumulated. Throughout the year, there are 65.6 snowfall days, and 22.6" (574mm) of snow is accumulated.Daylight
December has the shortest days of the year in Stella Niagara, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:50 pm EST.
Sunshine
In Stella Niagara, 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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. Boost your sun resistance with garments that are densely woven yet spacious. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stella Niagara, NY
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Stella Niagara, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Stella Niagara, NY
- Average wind speed in December: 11.5mph
The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Stella Niagara, NY
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
Stella Niagara, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Stella Niagara, NY
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Stella Niagara, NY
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stella Niagara, NY
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stella Niagara, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Stella Niagara, NY
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in December
Stella Niagara, NY
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Stella Niagara, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Stella Niagara, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
