December weather forecastOtisco Valley, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Otisco Valley, New York, with an average temperature ranging between min 24.4°F (-4.2°C) and max 33.1°F (0.6°C).Temperature
Otisco Valley's transition into December involves a shift in temperature, receding from a chilly 43.7°F (6.5°C) in November to an icy 33.1°F (0.6°C). During December, nights cool slightly to an average low of 24.4°F (-4.2°C).Humidity
In Otisco Valley, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 150 rainfall days, and 24.13" (613mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Otisco Valley. In Otisco Valley, during December, snow falls for 15 days and regularly aggregates up to 5.83" (148mm) of snow. In Otisco Valley, during the entire year, snow falls for 78.2 days and aggregates up to 29.37" (746mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Otisco Valley, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 24.4°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 (16.2°F).
Average pressure in December
Otisco Valley, 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
Otisco Valley, NY
- Average wind speed in December: 9.7mph
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 (6mph).
Average humidity in December
Otisco Valley, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in December
Otisco Valley, NY
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in December
Otisco Valley, NY
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Otisco Valley, NY
- Average snowfall in December: 5.83"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Otisco Valley, NY
- Average snowfall days in December: 15 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Otisco Valley, NY
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Otisco Valley, NY
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Otisco Valley, 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, February and December (UV index 1).
Average cloud cover in December
Otisco Valley, NY
- Average cloud cover in December: 70
The months with the most cloud cover are January and February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Otisco Valley, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May and October (6mi).
The months with the lowest visibility are January, February, March, June, July, August, September, November and December (5mi).





