December weather forecast
Perry, NY

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Weather in December

December, the first month of the winter in Perry, is also a wintry month, with an average temperature fluctuating between 34.3°F (1.3°C) and 24.6°F (-4.1°C).

Temperature

Perry's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 44.6°F (7°C) to a cold 34.3°F (1.3°C). In the month of December, the average low-temperature in Perry usually rests at a subzero cold 24.6°F (-4.1°C).

Humidity

In Perry, the average relative humidity in December is 86%.

Rainfall

In Perry, in December, during 11 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, in Perry, there are 171.4 rainfall days, and 28.62" (727mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Perry, in December, snow falls for 18.3 days, with typically accumulated 7.64" (194mm) of snow. In Perry, during the entire year, snow falls for 91.4 days and aggregates up to 42.24" (1073mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of December in Perry, sunrise is at 7:23 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:48 pm EST.

Sunshine

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

UV index

The months with the lowest UV index in Perry 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 unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 1 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

How cold is December in Perry?

The high-temperature, in December, in Perry, records 34.3°F (1.3°C), while the low-temperature is 24.6°F (-4.1°C).

What is the average humidity in December in Perry?

In Perry, New York, the average relative humidity in December is 86%.

How many days does it rain in December in Perry?

In Perry, in December, it is raining for 11 days, with typically 2.44" (62mm) of accumulated precipitation.

How many days does it snow in December in Perry?

In Perry, in December, snow falls for 18.3 days, with typically accumulated 7.64" (194mm) of snow.

What is the month with the shortest days in Perry?

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

What is the average length of the day in December in Perry?

In December, the average day length is 9h and 6min.

What time are sunrise and sunset in December in Perry?

On the first day of December in Perry, New York, sunrise is at 7:23 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:48 pm EST.

How long on average sun shines in December in Perry?

The average sunshine duration in December in Perry, New York, is 3.1h.

What are the months with the lowest UV index in Perry?

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

What is the UV index reading in December in Perry?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Perry, NY

Average temperature in December - Perry, NY
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in December: 24.6°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 (17.1°F).

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Average pressure in December
Perry, NY

Average pressure in December - Perry, 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
Perry, NY

Average wind speed in December - Perry, NY
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in December
Perry, NY

Average humidity in December - Perry, NY
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in December
Perry, NY

Average rainfall in December - Perry, NY
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in December
Perry, NY

Average rainfall days in December - Perry, NY
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (7.4 days).

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Average snowfall in December
Perry, NY

Average snowfall in December - Perry, NY
  • Average snowfall in December: 7.64"

The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Perry, NY

Average snowfall days in December - Perry, NY
  • Average snowfall days in December: 18.3 days

The month with the highest number of snowfall days is January (20.1 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
Perry, NY

Average daylight in December / Average sunshine in December - Perry, 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 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in December
Perry, NY

Average sunshine days in December - Perry, NY
  • Average sunshine days in December: 7 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.7 days).

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Average UV index in December
Perry, NY

Average UV index in December - Perry, 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).

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Average cloud cover in December
Perry, NY

Average cloud cover in December - Perry, NY
  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Perry, NY

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

The months with the highest visibility are April, May and June (6mi).
The months with the lowest visibility are January and February (4mi).

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Perry, New York, USA

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