January weather forecast
Castleton-on-Hudson, NY

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Weather in January

January, like December, is another subzero cold winter month in Castleton-on-Hudson, New York, with an average temperature fluctuating between 28.9°F (-1.7°C) and 16.5°F (-8.6°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 28.9°F (-1.7°C) and a low of 16.5°F (-8.6°C).

Humidity

The average relative humidity in January in Castleton-on-Hudson, New York, is 81%.

Rainfall

January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 1.61" (41mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Castleton-on-Hudson. In January, in Castleton-on-Hudson, New York, it is snowing for 10.8 days. Throughout January, 4.09" (104mm) of snow is accumulated. Throughout the year, in Castleton-on-Hudson, there are 41.1 snowfall days, and 18.9" (480mm) of snow is accumulated.

Daylight

In Castleton-on-Hudson, the average length of the day in January is 9h and 29min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:06 pm EST.

Sunshine

In Castleton-on-Hudson, New York, the average sunshine in January is 4.2h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Castleton-on-Hudson. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Castleton-on-Hudson?

With average high and low temperatures of 28.9°F (-1.7°C) and 16.5°F (-8.6°C) respectively, January is Castleton-on-Hudson's coldest month.

How cold is it in Castleton-on-Hudson in January?

In January, the average high-temperature and low-temperature in Castleton-on-Hudson are 28.9°F (-1.7°C) and 16.5°F (-8.6°C) respectively.

What is the average humidity in January in Castleton-on-Hudson?

The average relative humidity in January is 81%.

What is the driest month in Castleton-on-Hudson?

The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 1.61" (41mm) of precipitation.

How many days does it rain in January in Castleton-on-Hudson?

In Castleton-on-Hudson, in January, during 7.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How much does it snow in Castleton-on-Hudson in January?

In Castleton-on-Hudson, New York, in January, snow falls for 10.8 days, with typically accumulated 4.09" (104mm) of snow.

What is the average length of the day in January in Castleton-on-Hudson?

In Castleton-on-Hudson, New York, the average day length in January is 9h and 29min.

When are sunrise and sunset in January in Castleton-on-Hudson?

On the first day of January, sunrise is at 7:24 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:06 pm EST.

How many hours of sunshine does Castleton-on-Hudson have in January?

In Castleton-on-Hudson, New York, the average sunshine duration in January is 4.2h.

What is the month with the lowest UV index in Castleton-on-Hudson?

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

How high is the UV index in January in Castleton-on-Hudson?

The average daily maximum UV index in January in Castleton-on-Hudson is 1. A UV Index of 2, and less, symbolizes 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 January
Castleton-on-Hudson, NY

Average temperature in January - Castleton-on-Hudson, NY
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in January: 16.5°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in January
Castleton-on-Hudson, NY

Average pressure in January - Castleton-on-Hudson, 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 (29.92"Hg).

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Average wind speed in January
Castleton-on-Hudson, NY

Average wind speed in January - Castleton-on-Hudson, NY
  • Average wind speed in January: 8.3mph

The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in January
Castleton-on-Hudson, NY

Average humidity in January - Castleton-on-Hudson, NY
  • Average humidity in January: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in January
Castleton-on-Hudson, NY

Average rainfall in January - Castleton-on-Hudson, NY
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").

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Average rainfall days in January
Castleton-on-Hudson, NY

Average rainfall days in January - Castleton-on-Hudson, NY
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in January
Castleton-on-Hudson, NY

Average snowfall in January - Castleton-on-Hudson, NY
  • Average snowfall in January: 4.09"

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

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Average snowfall days in January
Castleton-on-Hudson, NY

Average snowfall days in January - Castleton-on-Hudson, NY
  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is January (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 January /
Average sunshine in January
Castleton-on-Hudson, NY

Average daylight in January / Average sunshine in January - Castleton-on-Hudson, NY
  • Average daylight in January: 9h and 3min

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

  • Average sunshine in January: 4h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in January
Castleton-on-Hudson, NY

Average sunshine days in January - Castleton-on-Hudson, NY
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in January
Castleton-on-Hudson, NY

Average UV index in January - Castleton-on-Hudson, 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
Castleton-on-Hudson, NY

Average cloud cover in January - Castleton-on-Hudson, NY
  • Average cloud cover in January: 56

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in January
Castleton-on-Hudson, NY

Average visibility in January - Castleton-on-Hudson, NY
  • Average visibility in January: 5mi

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

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Castleton-on-Hudson, New York, USA

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