January weather forecast
Cold Spring Harbor, NY

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Weather in January

January, the same as December, is an icy winter month in Cold Spring Harbor, New York, with an average temperature fluctuating between 28.6°F (-1.9°C) and 37°F (2.8°C).

Temperature

Cold Spring Harbor experiences its lowest temperatures in January, with an average peak of 37°F (2.8°C) and a low of 28.6°F (-1.9°C).

Humidity

The average relative humidity in January is 72%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.1 days and typically collects 2.09" (53mm) of precipitation.

Snowfall

Months with snowfall in Cold Spring Harbor, New York, are January through April, November and December. In Cold Spring Harbor, New York, during January, snow falls for 4.1 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, there are 15.5 snowfall days, and 5.71" (145mm) of snow is accumulated.

Ocean temperature

In Cold Spring Harbor, the average seawater temperature in January is 42.3°F (5.7°C).
Note: To swim in 42.3°F (5.7°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.

Daylight

In Cold Spring Harbor, the average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:09 pm EST.

Sunshine

In January, the average sunshine is 5.2h.

UV index

The months with the lowest UV index in Cold Spring Harbor are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, noted for its average high-temperature of 37°F (2.8°C) and an average low-temperature of 28.6°F (-1.9°C), is considered the coldest month.

How cold is January?

The average high-temperature, in January, in Cold Spring Harbor, is 37°F (2.8°C), while the average low-temperature is 28.6°F (-1.9°C).

What is the average humidity in January in Cold Spring Harbor?

In Cold Spring Harbor, the average relative humidity in January is 72%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8.1 days and typically collects 2.09" (53mm) of precipitation.

How much does it rain in January?

In January, the rain falls for 8.1 days. Throughout January, 2.09" (53mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 4.1 days. Throughout January, 1.18" (30mm) of snow is accumulated.

What is the water temperature in January?

In Cold Spring Harbor, in January, the average water temperature is 42.3°F (5.7°C). Swimming in 42.3°F (5.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January?

In January, the average day length is 9h and 38min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:18 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:09 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 5.2h.

When is the lowest UV index?

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

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 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
Cold Spring Harbor, NY

Average temperature in January - Cold Spring Harbor, NY
  • Average high temperature in January: 37°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in January: 28.6°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average pressure in January
Cold Spring Harbor, NY

Average pressure in January - Cold Spring Harbor, NY
  • Average pressure in January: 30.05"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Cold Spring Harbor, NY

Average wind speed in January - Cold Spring Harbor, NY
  • Average wind speed in January: 12.2mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in January
Cold Spring Harbor, NY

Average humidity in January - Cold Spring Harbor, NY
  • Average humidity in January: 72%

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

Average rainfall in January
Cold Spring Harbor, NY

Average rainfall in January - Cold Spring Harbor, NY
  • Average rainfall in January: 2.09"

The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").

Average rainfall days in January
Cold Spring Harbor, NY

Average rainfall days in January - Cold Spring Harbor, NY
  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in January
Cold Spring Harbor, NY

Average snowfall in January - Cold Spring Harbor, NY
  • Average snowfall in January: 1.18"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Cold Spring Harbor, NY

Average snowfall days in January - Cold Spring Harbor, NY
  • Average snowfall days in January: 4.1 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Cold Spring Harbor, NY

Average sea temperature in January - Cold Spring Harbor, NY
  • Average sea temperature in January: 42.3°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in January /
Average sunshine in January
Cold Spring Harbor, NY

Average daylight in January / Average sunshine in January - Cold Spring Harbor, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Cold Spring Harbor, NY

Average sunshine days in January - Cold Spring Harbor, NY
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in January
Cold Spring Harbor, NY

Average UV index in January - Cold Spring Harbor, 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
Cold Spring Harbor, NY

Average cloud cover in January - Cold Spring Harbor, NY
  • Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in January
Cold Spring Harbor, NY

Average visibility in January - Cold Spring Harbor, 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).

Cold Spring Harbor, New York, USA

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