January weather forecast
Ardsley-on-Hudson, NY

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Weather in January

January, like December, in Ardsley-on-Hudson, New York, is a wintry winter month, with an average temperature ranging between min 23.9°F (-4.5°C) and max 35.2°F (1.8°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C).

Humidity

In January, the average relative humidity is 75%.

Rainfall

In January, the rain falls for 6.5 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. In Ardsley-on-Hudson, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Ardsley-on-Hudson, during January, snow falls for 4.8 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.

Daylight

In Ardsley-on-Hudson, the average length of the day in January is 9h and 37min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:10 pm EST.

Sunshine

The average sunshine in January is 5.1h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest temperatures in Ardsley-on-Hudson occur during January, when averages reach a peak of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C).

How cold is January?

The average high-temperature, in January, in Ardsley-on-Hudson, is 35.2°F (1.8°C), while the average low-temperature is 23.9°F (-4.5°C).

What is the average humidity in January?

In January, the average relative humidity in Ardsley-on-Hudson is 75%.

How much does it rain in January?

In Ardsley-on-Hudson, in January, it is raining for 6.5 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in January?

In Ardsley-on-Hudson, in January, during 4.8 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the average length of the day in January?

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 7:20 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:10 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

In Ardsley-on-Hudson, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Ardsley-on-Hudson, NY

Average temperature in January - Ardsley-on-Hudson, NY
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in January
Ardsley-on-Hudson, NY

Average pressure in January - Ardsley-on-Hudson, NY
  • Average pressure in January: 30.06"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
Ardsley-on-Hudson, NY

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

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in January
Ardsley-on-Hudson, NY

Average humidity in January - Ardsley-on-Hudson, NY
  • Average humidity in January: 75%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).

Average rainfall in January
Ardsley-on-Hudson, NY

Average rainfall in January - Ardsley-on-Hudson, NY
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").

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

Average rainfall days in January - Ardsley-on-Hudson, NY
  • Average rainfall days in January: 6.5 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in January
Ardsley-on-Hudson, NY

Average snowfall in January - Ardsley-on-Hudson, NY
  • Average snowfall in January: 0.91"

The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").

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

Average snowfall days in January - Ardsley-on-Hudson, NY
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Ardsley-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 18min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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

Average sunshine days in January - Ardsley-on-Hudson, NY
  • Average sunshine days in January: 20.4 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).

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

Average UV index in January - Ardsley-on-Hudson, 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, November and December (UV index 2).

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

Average cloud cover in January - Ardsley-on-Hudson, NY
  • Average cloud cover in January: 44

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Ardsley-on-Hudson, NY

Average visibility in January - Ardsley-on-Hudson, 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).

Ardsley-on-Hudson, New York, USA

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