January weather forecast
Peconic, NY

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Weather in January

January, like December, in Peconic, New York, is another cold winter month, with an average temperature ranging between max 38.8°F (3.8°C) and min 31.3°F (-0.4°C).

Temperature

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

Humidity

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

Rainfall

In Peconic, in January, during 9.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, in Peconic, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Peconic, in January, snow falls for 4.2 days, with typically accumulated 1.85" (47mm) of snow. Throughout the year, there are 13.9 snowfall days, and 6.61" (168mm) of snow is accumulated.

Daylight

In Peconic, New York, the average length of the day in January is 9h and 37min.
On the first day of January, sunrise is at 7:14 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:04 pm EST.

Sunshine

In January, the average sunshine is 4.9h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January is the coldest month of the year, registering average temperatures as high as 38.8°F (3.8°C) and as low as 31.3°F (-0.4°C).

How cold does it get in January?

In Peconic, in January, the average high-temperature is 38.8°F (3.8°C), and the average low-temperature is 31.3°F (-0.4°C).

What is the average humidity in January?

The average relative humidity in January is 73%.

How much does it rain in January?

In January, the rain falls for 9.1 days. Throughout January, 2.56" (65mm) of precipitation is accumulated.

How much does it snow in January?

In Peconic, during January, snow falls for 4.2 days and regularly aggregates up to 1.85" (47mm) of snow.

What is the average length of the day in January?

In Peconic, the average day length in January is 9h and 37min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:14 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:04 pm EST.

How many hours of sunshine does Peconic have in January?

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

What is the month with the lowest UV index?

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

How high is the UV index in January?

In Peconic, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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 January
Peconic, NY

Average temperature in January - Peconic, 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).

Average pressure in January
Peconic, NY

Average pressure in January - Peconic, 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).

Average wind speed in January
Peconic, NY

Average wind speed in January - Peconic, 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).

Average humidity in January
Peconic, NY

Average humidity in January - Peconic, 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%).

Average rainfall in January
Peconic, NY

Average rainfall in January - Peconic, 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").

Average rainfall days in January
Peconic, NY

Average rainfall days in January - Peconic, 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).

Average snowfall in January
Peconic, NY

Average snowfall in January - Peconic, 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").

Average snowfall days in January
Peconic, NY

Average snowfall days in January - Peconic, 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).

Average daylight in January /
Average sunshine in January
Peconic, NY

Average daylight in January / Average sunshine in January - Peconic, 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).

Average sunshine days in January
Peconic, NY

Average sunshine days in January - Peconic, 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).

Average UV index in January
Peconic, NY

Average UV index in January - Peconic, 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).

Average cloud cover in January
Peconic, NY

Average cloud cover in January - Peconic, 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).

Average visibility in January
Peconic, NY

Average visibility in January - Peconic, 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).

Peconic, New York, USA

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