January weather forecast
Patchogue, NY

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Weather in January

January, like December, in Patchogue, New York, is a wintry winter month, with an average temperature ranging between min 30.2°F (-1°C) and max 37.9°F (3.3°C).

Temperature

Patchogue's January weather reaches an average high of 37.9°F (3.3°C) and an average low of 30.2°F (-1°C), making it the coldest month.

Humidity

The average relative humidity in January is 72%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

January through March, May, October and December are months with snowfall. In January, it is snowing for 4.3 days. Throughout January, 1.38" (35mm) of snow is accumulated. Throughout the year, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

In Patchogue, the average length of the day in January is 9h and 39min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:07 pm EST.

Sunshine

In January, the average sunshine in Patchogue is 5.2h.

UV index

The months with the lowest UV index in Patchogue are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the coldest month, with the temperature often reaching an average high of 37.9°F (3.3°C) and an average low of 30.2°F (-1°C).

Is it cold during January?

In Patchogue, 37.9°F (3.3°C) is the average high-temperature and 30.2°F (-1°C) is the average low-temperature during January.

What is the average humidity in January?

In Patchogue, the average relative humidity in January is 72%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8.3 days and typically collects 2.17" (55mm) of precipitation.

How much does it rain in January?

In January, the rain falls for 8.3 days. Throughout January, 2.17" (55mm) of precipitation is accumulated.

How many days does it snow in January?

In Patchogue, in January, snow falls for 4.3 days, with typically accumulated 1.38" (35mm) of snow.

How many hours of daylight does Patchogue have in January?

In January, the average day length is 9h and 39min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:07 pm EST.

How many hours of sunshine does Patchogue have in January?

The average sunshine duration in January is 5.2h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In Patchogue, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes 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 January
Patchogue, NY

Average temperature in January - Patchogue, NY
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 30.2°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in January
Patchogue, NY

Average pressure in January - Patchogue, NY
  • Average pressure in January: 30.04"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).

Average wind speed in January
Patchogue, NY

Average wind speed in January - Patchogue, NY
  • Average wind speed in January: 13.8mph

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

Average humidity in January
Patchogue, NY

Average humidity in January - Patchogue, NY
  • Average humidity in January: 72%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in January
Patchogue, NY

Average rainfall in January - Patchogue, NY
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in January
Patchogue, NY

Average rainfall days in January - Patchogue, NY
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in January
Patchogue, NY

Average snowfall in January - Patchogue, NY
  • Average snowfall in January: 1.38"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

Average snowfall days in January
Patchogue, NY

Average snowfall days in January - Patchogue, NY
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Patchogue, 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Patchogue, NY

Average sunshine days in January - Patchogue, NY
  • Average sunshine days in January: 18.4 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in January
Patchogue, NY

Average UV index in January - Patchogue, 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
Patchogue, NY

Average cloud cover in January - Patchogue, NY
  • Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in January
Patchogue, NY

Average visibility in January - Patchogue, 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).

Patchogue, New York, USA

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