December weather forecastSinclairville, NY
December
Weather in December
The first month of the winter, December, is also an icy month in Sinclairville, New York, with an average temperature fluctuating between 25.9°F (-3.4°C) and 34.5°F (1.4°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a cold 34.5°F (1.4°C) from November's frosty 43.7°F (6.5°C). Sinclairville, in December, logs an average low-temperature of 25.9°F (-3.4°C), a subtle step down from daytime readings.Humidity
In December, the average relative humidity in Sinclairville, New York, is 87%.Rainfall
In Sinclairville, during December, the rain falls for 9.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Sinclairville, during the entire year, the rain falls for 163.4 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall in Sinclairville are January through May, October through December. December is the month with the most snowfall in Sinclairville. Snow falls for 17.1 days and accumulates 7.68" (195mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Sinclairville.On the first day of the month, sunrise is at 7:26 am and sunset at 4:45 pm. On the last day of December, in Sinclairville, New York, sunrise is at 7:45 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 2.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
Sinclairville, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 25.9°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 (17.6°F).
Average pressure in December
Sinclairville, 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
Sinclairville, NY
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Sinclairville, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and September (81%).
Average rainfall in December
Sinclairville, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Sinclairville, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Sinclairville, NY
- Average snowfall in December: 7.68"
The month with the highest snowfall is December (7.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sinclairville, NY
- Average snowfall days in December: 17.1 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
Sinclairville, NY
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 2h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Sinclairville, NY
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in December
Sinclairville, 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
Sinclairville, NY
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Sinclairville, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (4mi).
