December weather forecast
Canandaigua, NY

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Golden brown trees, clean and neat lawns, clear roads and paths around the iconic Ontario County Courthouse in Canandaigua, New York
Golden brown trees, clean and neat lawns, clear roads and paths around the iconic Ontario County Courthouse in Canandaigua, New York

Weather in December

The first month of the winter, December, is also a wintry month in Canandaigua, New York, with an average temperature varying between 35.1°F (1.7°C) and 26.1°F (-3.3°C).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 45.5°F (7.5°C) in November to an icy 35.1°F (1.7°C). Canandaigua's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a subzero cold 26.1°F (-3.3°C).

Humidity

In Canandaigua, the average relative humidity in December is 84%.

Rainfall

In Canandaigua, in December, during 5.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Canandaigua, during the entire year, the rain falls for 106.9 days and collects up to 8.03" (204mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Canandaigua, New York, it is snowing for 10.7 days. Throughout December, 1.26" (32mm) of snow is accumulated. In Canandaigua, during the entire year, snow falls for 58.6 days and aggregates up to 8.98" (228mm) of snow.

Daylight

December has the shortest days of the year in Canandaigua, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:20 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:44 pm EST.

Sunshine

In Canandaigua, the average sunshine in December is 3.1h.

UV index

The months with the lowest UV index in Canandaigua are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is it in Canandaigua in December?

In Canandaigua, in December, the average high-temperature is 35.1°F (1.7°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in December in Canandaigua?

In Canandaigua, New York, the average relative humidity in December is 84%.

How much does it rain in Canandaigua in December?

In Canandaigua, New York, in December, during 5.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in December in Canandaigua?

In Canandaigua, New York, in December, snow falls for 10.7 days, with typically accumulated 1.26" (32mm) of snow.

What is the month with the shortest days in Canandaigua?

The month with the shortest days in Canandaigua, New York, is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Canandaigua have in December?

In December, the average day length is 9h and 5min.

What time are sunrise and sunset in December in Canandaigua?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 4:35 pm. On the last day of the month, in Canandaigua, New York, sunrise is at 7:39 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Canandaigua?

In Canandaigua, New York, the average sunshine duration in December is 3.1h.

What is the month with the lowest UV index in Canandaigua?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December in Canandaigua?

In Canandaigua, New York, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Canandaigua, NY

Average temperature in December - Canandaigua, NY
  • Average high temperature in December: 35.1°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in December
Canandaigua, NY

Average pressure in December - Canandaigua, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Canandaigua, NY

Average wind speed in December - Canandaigua, NY
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in December
Canandaigua, NY

Average humidity in December - Canandaigua, NY
  • Average humidity in December: 84%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (77%).

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Average rainfall in December
Canandaigua, NY

Average rainfall in December - Canandaigua, NY
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in December
Canandaigua, NY

Average rainfall days in December - Canandaigua, NY
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4 days).

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Average snowfall in December
Canandaigua, NY

Average snowfall in December - Canandaigua, NY
  • Average snowfall in December: 1.26"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Canandaigua, NY

Average snowfall days in December - Canandaigua, NY
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Canandaigua, NY

Average daylight in December / Average sunshine in December - Canandaigua, NY
  • Average daylight in December: 9h and 1min

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 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).

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Average sunshine days in December
Canandaigua, NY

Average sunshine days in December - Canandaigua, NY
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is October (19.2 days).
The months with the least sunshine days are April and July (13.3 days).

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Average UV index in December
Canandaigua, NY

Average UV index in December - Canandaigua, 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).

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Average cloud cover in December
Canandaigua, NY

Average cloud cover in December - Canandaigua, NY
  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Canandaigua, NY

Average visibility in December - Canandaigua, NY
  • Average visibility in December: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

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Canandaigua, New York, USA

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