January weather forecast
Cornwall-on-Hudson, NY

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Weather in January

January, the same as December, is another cold winter month in Cornwall-on-Hudson, New York, with an average temperature fluctuating between 21°F (-6.1°C) and 33.4°F (0.8°C).

Temperature

Cornwall-on-Hudson's coldest month, January, registers temperatures that range from a high of 33.4°F (0.8°C) to a low of 21°F (-6.1°C).

Humidity

In Cornwall-on-Hudson, the average relative humidity in January is 78%.

Rainfall

The months with the least rainfall are January and September Rain falls for 7.3 days and accumulates 1.97" (50mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 7 days. Throughout January, 3.31" (84mm) of snow is accumulated. Throughout the year, there are 27.3 snowfall days, and 14.45" (367mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 35min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:10 pm EST.

Sunshine

The average sunshine in January in Cornwall-on-Hudson is 5h.

UV index

January through March, November 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 low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest temperatures occur during January, when averages reach a peak of 33.4°F (0.8°C) and a low of 21°F (-6.1°C).

How cold is January?

The high-temperature, in January, in Cornwall-on-Hudson, records 33.4°F (0.8°C), while the low-temperature is 21°F (-6.1°C).

What is the average humidity in January?

The average relative humidity in January is 78%.

What is the driest month?

January and September are months with the least rain when the rain falls for 7.3 days and typically aggregates up to 1.97" (50mm) of rain.

How many days does it rain in January?

In January, the rain falls for 7.3 days. Throughout January, 1.97" (50mm) of precipitation is accumulated.

How much does it snow in January?

In Cornwall-on-Hudson, in January, during 7 snowfall days, 3.31" (84mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 35min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:10 pm EST.

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

The average sunshine duration in January is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes 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
Cornwall-on-Hudson, NY

Average temperature in January - Cornwall-on-Hudson, NY
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in January
Cornwall-on-Hudson, NY

Average pressure in January - Cornwall-on-Hudson, NY
  • Average pressure in January: 30.05"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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

Average wind speed in January - Cornwall-on-Hudson, NY
  • Average wind speed in January: 6.8mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Cornwall-on-Hudson, NY

Average humidity in January - Cornwall-on-Hudson, NY
  • Average humidity in January: 78%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (73%).

Average rainfall in January
Cornwall-on-Hudson, NY

Average rainfall in January - Cornwall-on-Hudson, NY
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is December (3.23").
The driest months (with the least rainfall) are January and September (1.97").

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

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

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in January
Cornwall-on-Hudson, NY

Average snowfall in January - Cornwall-on-Hudson, NY
  • Average snowfall in January: 3.31"

The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").

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

Average snowfall days in January - Cornwall-on-Hudson, NY
  • Average snowfall days in January: 7 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Cornwall-on-Hudson, NY

Average daylight in January / Average sunshine in January - Cornwall-on-Hudson, 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 12min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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

Average sunshine days in January - Cornwall-on-Hudson, NY
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (10.9 days).

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

Average UV index in January - Cornwall-on-Hudson, NY
  • Average UV index in January: 2

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

Average cloud cover in January
Cornwall-on-Hudson, NY

Average cloud cover in January - Cornwall-on-Hudson, NY
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in January
Cornwall-on-Hudson, NY

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

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

Cornwall-on-Hudson, New York, USA

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