January weather forecast
Port Henry, NY

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Weather in January

January, the same as December, in Port Henry, New York, is another subzero cold winter month, with an average temperature fluctuating between 12.7°F (-10.7°C) and 25.3°F (-3.7°C).

Temperature

With an average high-temperature of 25.3°F (-3.7°C) and an average low-temperature of 12.7°F (-10.7°C), January is the coldest month.

Humidity

January and February, with an average relative humidity of 86%, are the most humid months in Port Henry, New York.

Rainfall

In Port Henry, in January, it is raining for 4.3 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 94.8 rainfall days, and 7.44" (189mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Port Henry, during January, snow falls for 9.1 days and regularly aggregates up to 1.69" (43mm) of snow. In Port Henry, during the entire year, snow falls for 36.5 days and aggregates up to 7.64" (194mm) of snow.

Daylight

The average length of the day in January is 9h and 20min.
On the first day of January, sunrise is at 7:28 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:01 pm EST.

Sunshine

The average sunshine in January is 3.7h.

UV index

The months with the lowest UV index in Port Henry are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What part of the year is the coldest in Port Henry?

The coldest time of the year is January, with temperatures averaging a high of 25.3°F (-3.7°C) and a low of 12.7°F (-10.7°C).

How cold is it in Port Henry in January?

In Port Henry, 25.3°F (-3.7°C) is the average high-temperature and 12.7°F (-10.7°C) is the average low-temperature during January.

What is the most humid month in Port Henry?

January and February, with an average relative humidity of 86%, are most humid months in Port Henry.

What is the average humidity in January in Port Henry?

The average relative humidity in January is 86%.

How many days does it rain in January in Port Henry?

In January, the rain falls for 4.3 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

How much does it snow in Port Henry in January?

In January, in Port Henry, it is snowing for 9.1 days. Throughout January, 1.69" (43mm) of snow is accumulated.

How many hours of daylight does Port Henry have in January?

The average day length in January is 9h and 20min.

When are sunrise and sunset in January in Port Henry?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:25 pm. On the last day of the month, in Port Henry, sunrise is at 7:12 am and sunset at 5:01 pm EST.

How many hours of sunshine does Port Henry have in January?

The average sunshine duration in January is 3.7h.

What is the month with the lowest UV index in Port Henry?

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

What is the UV index intensity in January in Port Henry?

In Port Henry, New York, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Port Henry, NY

Average temperature in January - Port Henry, NY
  • Average high temperature in January: 25.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in January: 12.7°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

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Average pressure in January
Port Henry, NY

Average pressure in January - Port Henry, NY
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Port Henry, NY

Average wind speed in January - Port Henry, NY
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in January
Port Henry, NY

Average humidity in January - Port Henry, NY
  • Average humidity in January: 86%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).

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Average rainfall in January
Port Henry, NY

Average rainfall in January - Port Henry, NY
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in January
Port Henry, NY

Average rainfall days in January - Port Henry, NY
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is July (10.9 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in January
Port Henry, NY

Average snowfall in January - Port Henry, NY
  • Average snowfall in January: 1.69"

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

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Average snowfall days in January
Port Henry, NY

Average snowfall days in January - Port Henry, NY
  • Average snowfall days in January: 9.1 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Port Henry, NY

Average daylight in January / Average sunshine in January - Port Henry, NY
  • Average daylight in January: 9h and 2min

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 January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in January
Port Henry, NY

Average sunshine days in January - Port Henry, NY
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is September (22.1 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index in January
Port Henry, NY

Average UV index in January - Port Henry, NY
  • Average UV index in January: 1

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 and December (UV index 1).

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Average cloud cover in January
Port Henry, NY

Average cloud cover in January - Port Henry, NY
  • Average cloud cover in January: 60

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in January
Port Henry, NY

Average visibility in January - Port Henry, NY
  • Average visibility in January: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Port Henry, New York, USA

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