December weather forecast
Chichester, NY

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Weather in December

The first month of the winter, December, is also an icy month in Chichester, New York, with an average temperature fluctuating between 34.3°F (1.3°C) and 23.5°F (-4.7°C).

Temperature

In Chichester, the average high-temperature in December drops from a chilly 44.4°F (6.9°C) in November to an icy 34.3°F (1.3°C). Throughout December, Chichester encounters an average temperature drop to a freezing cold 23.5°F (-4.7°C).

Humidity

February and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Chichester, in December, during 8.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Chichester, there are 138.1 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Chichester are January through May, October through December. In Chichester, in December, during 8.8 snowfall days, 4.69" (119mm) of snow is typically accumulated. In Chichester, New York, during the entire year, snow falls for 49.9 days and aggregates up to 27.48" (698mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:35 pm EST.

Sunshine

In December, the average sunshine in Chichester is 4.6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is December in Chichester?

In December, the average high-temperature and low-temperature in Chichester, New York, are 34.3°F (1.3°C) and 23.5°F (-4.7°C) respectively.

What are the most humid months in Chichester?

February and December, with an average relative humidity of 84%, are most humid months in Chichester, New York.

What is the average humidity in December in Chichester?

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

How much does it rain in Chichester in December?

In Chichester, in December, it is raining for 8.7 days, with typically 1.69" (43mm) of accumulated precipitation.

How many days does it snow in December in Chichester?

In December, in Chichester, it is snowing for 8.8 days. Throughout December, 4.69" (119mm) of snow is accumulated.

What is the month with the shortest days in Chichester?

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

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

In Chichester, New York, the average day length in December is 9h and 10min.

What time are sunrise and sunset in December in Chichester?

On the first day of December in Chichester, sunrise is at 7:06 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:35 pm EST.

How long on average sun shines in December in Chichester?

In December, the average sunshine duration in Chichester, New York, is 4.6h.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Chichester.

What is the UV index intensity in December in Chichester?

The average daily maximum UV index in December in Chichester, New York, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Chichester, NY

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

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 23.5°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in December
Chichester, NY

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

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Chichester, NY

Average wind speed in December - Chichester, NY
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Chichester, NY

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

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).

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Average rainfall in December
Chichester, NY

Average rainfall in December - Chichester, NY
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in December
Chichester, NY

Average rainfall days in December - Chichester, NY
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (6 days).

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Average snowfall in December
Chichester, NY

Average snowfall in December - Chichester, NY
  • Average snowfall in December: 4.69"

The month with the highest snowfall is March (5.12").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Chichester, NY

Average snowfall days in December - Chichester, NY
  • Average snowfall days in December: 8.8 days

The months with the highest number of snowfall days are January and 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
Chichester, NY

Average daylight in December / Average sunshine in December - Chichester, 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: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in December
Chichester, NY

Average sunshine days in December - Chichester, NY
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (12.1 days).

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Average UV index in December
Chichester, NY

Average UV index in December - Chichester, NY
  • Average UV index in December: 2

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, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Chichester, NY

Average cloud cover in December - Chichester, NY
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in December
Chichester, NY

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

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

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Chichester, New York, USA

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