December weather forecastOswegatchie, NY
December
Weather in December
December, the first month of the winter in Oswegatchie, is also a subzero cold month, with an average temperature fluctuating between 21°F (-6.1°C) and 31.1°F (-0.5°C).Temperature
The onset of December results in a decrease in the average high-temperature, receding from a frosty 42.8°F (6°C) in November to a subzero cold 31.1°F (-0.5°C). Nighttime temperature in Oswegatchie dips to a mean of 21°F (-6.1°C) during December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Oswegatchie, during December, the rain falls for 10.7 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Oswegatchie, there are 165.7 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Oswegatchie. In Oswegatchie, in December, during 18 snowfall days, 8.39" (213mm) of snow is typically accumulated. In Oswegatchie, during the entire year, snow falls for 89.7 days and aggregates up to 41.57" (1056mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:31 pm EST.
Sunshine
In December, the average sunshine in Oswegatchie is 3h.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 low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oswegatchie, NY
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in December
Oswegatchie, NY
- Average pressure in December: 30.05"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
Oswegatchie, NY
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Oswegatchie, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Oswegatchie, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Oswegatchie, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Oswegatchie, NY
- Average snowfall in December: 8.39"
The month with the highest snowfall is January (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oswegatchie, NY
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oswegatchie, 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: 3h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Oswegatchie, NY
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in December
Oswegatchie, 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
Oswegatchie, NY
- Average cloud cover in December: 69
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Oswegatchie, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





