December weather forecast
Windsor, NY

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Weather in December

The first month of the winter, December, is still a cold month in Windsor, New York, with an average temperature varying between 33.6°F (0.9°C) and 23.4°F (-4.8°C).

Temperature

The onset of December introduces a moderate change in Windsor's weather, with average high-temperatures falling from November's chilly 43.7°F (6.5°C) to a cold 33.6°F (0.9°C). During the month of December, Windsor experiences a steady low-temperature average of 23.4°F (-4.8°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 87%.

Rainfall

In Windsor, in December, it is raining for 6.9 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Windsor, New York, there are 104.8 rainfall days, and 9.13" (232mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Windsor. In Windsor, in December, during 9.6 snowfall days, 1.3" (33mm) of snow is typically accumulated. In Windsor, during the entire year, snow falls for 48.7 days and aggregates up to 7.44" (189mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Windsor.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:41 pm EST.

Sunshine

The months with the least sunshine in Windsor, New York, are February and December, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

How cold is December in Windsor?

Windsor in December has an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 23.4°F (-4.8°C).

What are the most humid months in Windsor?

February and December, with an average relative humidity of 87%, are most humid months in Windsor, New York.

What is the average humidity in December in Windsor?

In Windsor, New York, the average relative humidity in December is 87%.

How many days does it rain in December in Windsor?

In December, in Windsor, New York, the rain falls for 6.9 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Windsor in December?

In Windsor, New York, in December, during 9.6 snowfall days, 1.3" (33mm) of snow is typically accumulated.

What is the month with the shortest days in Windsor?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Windsor have in December?

In December, the average day length is 9h and 10min.

When are sunrise and sunset in December in Windsor?

On the first day of December in Windsor, New York, sunrise is at 7:11 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:41 pm EST.

What are the months with the least sunshine in Windsor?

February and December, with an average of 2.7h of sunshine, are months with the least sunshine in Windsor, New York.

How many hours of sunshine does Windsor have in December?

In Windsor, the average sunshine duration in December is 2.7h.

When is the lowest UV index in Windsor?

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

What is the UV index intensity in December in Windsor?

In Windsor, New York, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Windsor, NY

Average temperature in December - Windsor, NY
  • Average high temperature in December: 33.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 23.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in December
Windsor, NY

Average pressure in December - Windsor, NY
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Windsor, NY

Average wind speed in December - Windsor, NY
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Windsor, NY

Average humidity in December - Windsor, NY
  • Average humidity in December: 87%

The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are June and July (79%).

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Average rainfall in December
Windsor, NY

Average rainfall in December - Windsor, NY
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in December
Windsor, NY

Average rainfall days in December - Windsor, NY
  • Average rainfall days in December: 6.9 days

The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall in December
Windsor, NY

Average snowfall in December - Windsor, NY
  • Average snowfall in December: 1.3"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Windsor, NY

Average snowfall days in December - Windsor, NY
  • Average snowfall days in December: 9.6 days

The month with the highest number of snowfall days is February (10.8 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
Windsor, NY

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

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 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are February and December (Average sunshine: 2h and 42min).

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Average sunshine days in December
Windsor, NY

Average sunshine days in December - Windsor, NY
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is April (14.8 days).

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Average UV index in December
Windsor, NY

Average UV index in December - Windsor, 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, November and December (UV index 1).

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Average cloud cover in December
Windsor, NY

Average cloud cover in December - Windsor, NY
  • Average cloud cover in December: 73

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 41).

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Average visibility in December
Windsor, NY

Average visibility in December - Windsor, NY
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).

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Windsor, New York, USA

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