Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Ontario Center, New York, in December demonstrates a small temperature transition, adjusting from an average high of a chilly 45.9°F (7.7°C) in November to a cold 36.3°F (2.4°C). Ontario Center in December experiences a minor decline in temperature, with an average low of 28.6°F (-1.9°C) at night.Humidity
In December, the average relative humidity in Ontario Center is 81%.Rainfall
In December, in Ontario Center, the rain falls for 10.7 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Ontario Center, there are 167.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Ontario Center, New York, it is snowing for 12.8 days. Throughout December, 4.37" (111mm) of snow is accumulated. Throughout the year, there are 62.3 snowfall days, and 20.63" (524mm) of snow is accumulated.Daylight
The month with the shortest days in Ontario Center is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:34 pm. On the last day of December, in Ontario Center, sunrise is at 7:41 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine in Ontario Center, New York, is 3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Ontario Center, New York. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Ontario Center?
What is the average humidity in December in Ontario Center?
How many days does it rain in December in Ontario Center?
How many days does it snow in December in Ontario Center?
What is the month with the shortest days in Ontario Center?
How many hours of daylight does Ontario Center have in December?
What time are sunrise and sunset in December in Ontario Center?
How many hours of sunshine does Ontario Center have in December?
What are the months with the lowest UV index in Ontario Center?
How high is the UV index in December in Ontario Center?
Average temperature in December
Ontario Center, NY
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Ontario Center, 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
Ontario Center, NY
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Ontario Center, NY
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in December
Ontario Center, NY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Ontario Center, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Ontario Center, NY
- Average snowfall in December: 4.37"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ontario Center, NY
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ontario Center, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Ontario Center, NY
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Ontario Center, 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
Ontario Center, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Ontario Center, 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).
Ontario Center, New York, USA
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