December weather forecast
Constableville, NY

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Weather in December

The first month of the winter, December, is still a freezing cold month in Constableville, New York, with an average temperature fluctuating between 30.7°F (-0.7°C) and 21.7°F (-5.7°C).

Temperature

December shows a mild decline in the average high-temperature, falling from November's wintry 40.8°F (4.9°C) to a freezing cold 30.7°F (-0.7°C). Maintaining close parity with daytime warmth, the average nocturnal temperature in Constableville during December stays at a still subzero cold 21.7°F (-5.7°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

In Constableville, during December, the rain falls for 8.9 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Constableville, during the entire year, the rain falls for 156 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

Months with snowfall in Constableville, New York, are January through May, October through December. In Constableville, New York, in December, during 18.2 snowfall days, 7.24" (184mm) of snow is typically accumulated. Throughout the year, in Constableville, there are 97.3 snowfall days, and 37.28" (947mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:35 pm EST.

Sunshine

In December, the average sunshine is 2.6h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

How cold is December in Constableville?

An average high-temperature, in December, in Constableville, is 30.7°F (-0.7°C) and the average low-temperature is 21.7°F (-5.7°C).

What is the average humidity in December in Constableville?

In Constableville, the average relative humidity in December is 88%.

How many days does it rain in December in Constableville?

In Constableville, in December, during 8.9 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

How many days does it snow in December in Constableville?

In Constableville, New York, during December, snow falls for 18.2 days and regularly aggregates up to 7.24" (184mm) of snow.

What is the month with the shortest days in Constableville?

The month with the shortest days in Constableville is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Constableville have in December?

In December, the average day length in Constableville is 9h and 1min.

When is the sunrise / sunset in December in Constableville?

On the first day of December in Constableville, sunrise is at 7:15 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:35 pm EST.

How long on average sun shines in December in Constableville?

The average sunshine duration in December is 2.6h.

When is the lowest UV index in Constableville?

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

What is the UV index reading in December in Constableville?

The average daily maximum UV index in December in Constableville, New York, is 1. A UV Index estimate 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
Constableville, NY

Average temperature in December - Constableville, NY
  • Average high temperature in December: 30.7°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (24.4°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in December
Constableville, NY

Average pressure in December - Constableville, 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 (29.91"Hg).

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Average wind speed in December
Constableville, NY

Average wind speed in December - Constableville, NY
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Constableville, NY

Average humidity in December - Constableville, NY
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in December
Constableville, NY

Average rainfall in December - Constableville, NY
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in December
Constableville, NY

Average rainfall days in December - Constableville, NY
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in December
Constableville, NY

Average snowfall in December - Constableville, NY
  • Average snowfall in December: 7.24"

The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Constableville, NY

Average snowfall days in December - Constableville, NY
  • Average snowfall days in December: 18.2 days

The month with the highest number of snowfall days is January (21.8 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
Constableville, NY

Average daylight in December / Average sunshine in December - Constableville, NY
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).

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Average sunshine days in December
Constableville, NY

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

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.4 days).

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Average UV index in December
Constableville, NY

Average UV index in December - Constableville, NY
  • Average UV index in December: 1

The months with the highest UV index are 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
Constableville, NY

Average cloud cover in December - Constableville, NY
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Constableville, NY

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

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

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Constableville, New York, USA

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