January weather forecast
South Nyack, NY

Share

Weather in January

January, like December, in South Nyack, New York, is an icy winter month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 35.2°F (1.8°C).

Temperature

January is the coldest month, exhibiting average temperatures of 35.2°F (1.8°C) at the peak and 23.4°F (-4.8°C) at the base.

Humidity

In January, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.8 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In South Nyack, in January, during 4.8 snowfall days, 1.77" (45mm) of snow is typically accumulated. In South Nyack, during the entire year, snow falls for 19 days and aggregates up to 9.41" (239mm) of snow.

Daylight

In South Nyack, 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

In South Nyack, the average sunshine in January is 5.1h.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In South Nyack, the lowest temperatures are generally noted in January, averaging a high of 35.2°F (1.8°C) and a low of 23.4°F (-4.8°C).

How cold is it in January?

The high-temperature, in January, in South Nyack, records 35.2°F (1.8°C), while the low-temperature is 23.4°F (-4.8°C).

What is the average humidity in January?

In January, the average relative humidity is 75%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in January?

In South Nyack, in January, it is raining for 6.8 days, with typically 1.89" (48mm) of accumulated precipitation.

How many days does it snow in January?

In South Nyack, during January, snow falls for 4.8 days and regularly aggregates up to 1.77" (45mm) of snow.

What is the average length of the day in January?

In South Nyack, New York, the average day length in January is 9h and 37min.

When are sunrise and sunset in January?

On the first day of January, 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?

The average sunshine duration in January in South Nyack is 5.1h.

When is 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.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat 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
South Nyack, NY

Average temperature in January - South Nyack, 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: 23.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in January
South Nyack, NY

Average pressure in January - South Nyack, 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
South Nyack, NY

Average wind speed in January - South Nyack, NY
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in January
South Nyack, NY

Average humidity in January - South Nyack, 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
South Nyack, NY

Average rainfall in January - South Nyack, NY
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in January
South Nyack, NY

Average rainfall days in January - South Nyack, NY
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in January
South Nyack, NY

Average snowfall in January - South Nyack, NY
  • Average snowfall in January: 1.77"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
South Nyack, NY

Average snowfall days in January - South Nyack, NY
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.8 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
South Nyack, NY

Average daylight in January / Average sunshine in January - South Nyack, 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 36min).

Average sunshine days in January
South Nyack, NY

Average sunshine days in January - South Nyack, NY
  • Average sunshine days in January: 20 days

The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in January
South Nyack, NY

Average UV index in January - South Nyack, 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
South Nyack, NY

Average cloud cover in January - South Nyack, 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 32).

Average visibility in January
South Nyack, NY

Average visibility in January - South Nyack, 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).

South Nyack, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location