December weather forecast and climate
Ontario Center, NY

December, the first month of the winter, in Ontario Center, is still a cold month, with average temperature ranging between max 36.3°F (2.4°C) and min 28.6°F (-1.9°C).

Temperature

In Ontario Center, New York, the average high-temperature drops, from a chilly 45.9°F (7.7°C) in November, to a cold 36.3°F (2.4°C). In Ontario Center, the average low-temperature is 28.6°F (-1.9°C).

Humidity

The average relative humidity in Ontario Center is 81%.

Rainfall

In Ontario Center, New York, during December, the rain falls for 10.7 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, in Ontario Center, New York, there are 167.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Ontario Center, during December, snow falls for 12.8 days and regularly aggregates up to 4.37" (111mm) of snow. Throughout the year, in Ontario Center, there are 62.3 snowfall days, and 20.63" (524mm) of snow is accumulated.

Daylight

With an average of 9h of daylight, December has the shortest days of the year in Ontario Center.

Sunshine

In Ontario Center, the average sunshine 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. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Ontario Center?

The average high-temperature, in December, in Ontario Center, is 36.3°F (2.4°C), while the average low-temperature is 28.6°F (-1.9°C).

What is the average humidity in December in Ontario Center?

The average relative humidity in December is 81%.

How many days does it rain in December in Ontario Center?

In Ontario Center, during December, the rain falls for 10.7 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How many days does it snow in December in Ontario Center?

In December, in Ontario Center, New York, it is snowing for 12.8 days. Throughout December, 4.37" (111mm) of snow is accumulated.

What is the month with the shortest days in Ontario Center?

With an average of 9h of daylight, December has the shortest days of the year.

How many hours of daylight does Ontario Center have in December?

The average length of the day in December in Ontario Center, New York, is 9h.

How many hours of sunshine does Ontario Center have in December?

The average sunshine in December in Ontario Center, New York, is 3h.

What is the month with the lowest UV index in Ontario Center?

Months with the lowest UV index in Ontario Center, New York, are January and December, with an average maximum UV index of 1.

How high is the UV index in December in Ontario Center?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in December - Ontario Center, NY
  • Average high temperature in December: 2.4°C

The warmest month (with the highest average high temperature) is July (24.7°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in December: -1.9°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average pressure in December - Ontario Center, NY
  • Average pressure in December: 1017.8mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in December - Ontario Center, NY
  • Average wind speed in December: 20km/h

The windiest month (with the highest average wind speed) is January (21.2km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

Average humidity in December - Ontario Center, NY
  • Average humidity in December: 81%

Months with the highest relative humidity are January and February (83%).
Months with the lowest relative humidity are August and September (75%).

Average rainfall in December - Ontario Center, NY
  • Average rainfall in December: 68mm

The wettest month (with the highest rainfall) is October (82mm).
The driest month (with the least rainfall) is September (51mm).

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: 111mm

The month with the highest snowfall is February (152mm).
Months with the least snowfall are June, July, August and September (0mm).

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).
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

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 3h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 2.6h).

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

Months with the highest UV index are July and August (UV index 6).
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).
Months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in December - Ontario Center, NY
  • Average visibility in December: 9km

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January and February (8km).