January weather forecast
New Suffolk, NY

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Weather in January

January, the same as December, is an icy winter month in New Suffolk, New York, with an average temperature fluctuating between 31.3°F (-0.4°C) and 38.8°F (3.8°C).

Temperature

January, marked by an average high-temperature of 38.8°F (3.8°C) and a low-temperature of 31.3°F (-0.4°C), is the coldest month.

Humidity

In New Suffolk, the average relative humidity in January is 73%.

Rainfall

In New Suffolk, in January, during 9.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In New Suffolk, New York, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In New Suffolk, in January, snow falls for 4.2 days, with typically accumulated 1.85" (47mm) of snow. In New Suffolk, during the entire year, snow falls for 13.9 days and aggregates up to 6.61" (168mm) of snow.

Daylight

The average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:14 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:05 pm EST.

Sunshine

The average sunshine in January in New Suffolk is 4.9h.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in New Suffolk?

New Suffolk's coldest month, January, registers temperatures that range from a high of 38.8°F (3.8°C) to a low of 31.3°F (-0.4°C).

How cold is January in New Suffolk?

The high-temperature, in January, in New Suffolk, records 38.8°F (3.8°C), while the low-temperature is 31.3°F (-0.4°C).

What is the average humidity in January in New Suffolk?

In New Suffolk, New York, the average relative humidity in January is 73%.

How much does it rain in New Suffolk in January?

In New Suffolk, in January, it is raining for 9.1 days, with typically 2.56" (65mm) of accumulated precipitation.

How much does it snow in New Suffolk in January?

In New Suffolk, New York, in January, during 4.2 snowfall days, 1.85" (47mm) of snow is typically accumulated.

What is the average length of the day in January in New Suffolk?

In January, the average day length in New Suffolk, New York, is 9h and 38min.

What time are sunrise and sunset in January in New Suffolk?

On the first day of January, sunrise is at 7:14 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:05 pm EST.

How long on average sun shines in January in New Suffolk?

In New Suffolk, the average sunshine duration in January is 4.9h.

When is the lowest UV index in New Suffolk?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in New Suffolk, New York.

What is the UV index intensity in January in New Suffolk?

In New Suffolk, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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 January
New Suffolk, NY

Average temperature in January - New Suffolk, NY
  • Average high temperature in January: 38.8°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in January: 31.3°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in January
New Suffolk, NY

Average pressure in January - New Suffolk, NY
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
New Suffolk, NY

Average wind speed in January - New Suffolk, NY
  • Average wind speed in January: 16mph

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).

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Average humidity in January
New Suffolk, NY

Average humidity in January - New Suffolk, NY
  • Average humidity in January: 73%

The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in January
New Suffolk, NY

Average rainfall in January - New Suffolk, NY
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in January
New Suffolk, NY

Average rainfall days in January - New Suffolk, NY
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in January
New Suffolk, NY

Average snowfall in January - New Suffolk, NY
  • Average snowfall in January: 1.85"

The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
New Suffolk, NY

Average snowfall days in January - New Suffolk, NY
  • Average snowfall days in January: 4.2 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
New Suffolk, NY

Average daylight in January / Average sunshine in January - New Suffolk, NY
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in January
New Suffolk, NY

Average sunshine days in January - New Suffolk, NY
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).

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Average UV index in January
New Suffolk, NY

Average UV index in January - New Suffolk, NY
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in January
New Suffolk, NY

Average cloud cover in January - New Suffolk, NY
  • Average cloud cover in January: 48

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
New Suffolk, NY

Average visibility in January - New Suffolk, NY
  • Average visibility in January: 6mi

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

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New Suffolk, New York, USA

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