January weather forecast and climate
Sea Cliff, NY

January, like December, in Sea Cliff, New York, is another cold winter month, with average temperature fluctuating between 36.5°F (2.5°C) and 27.3°F (-2.6°C).

Temperature

The coldest month is January, with an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 27.3°F (-2.6°C).

Humidity

In Sea Cliff, the average relative humidity is 73%.

Rainfall

In Sea Cliff, during January, the rain falls for 9.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sea Cliff, New York, are January through April, November and December. In Sea Cliff, during January, snow falls for 6.8 days and regularly aggregates up to 1.77" (45mm) of snow. Throughout the year, there are 22.2 snowfall days, and 7.24" (184mm) of snow is accumulated.

Ocean temperature

In Sea Cliff, the average water temperature is 42.4°F (5.8°C).
Note: Swimming in 42.4°F (5.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Sea Cliff, New York, the average length of the day is 9.6h.

Sunshine

In Sea Cliff, the average sunshine is 5.1h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 2 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Sea Cliff?

January is the coldest month in Sea Cliff, with an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 27.3°F (-2.6°C).

What is the temperature in January in Sea Cliff?

The average high-temperature, in January, is 36.5°F (2.5°C), while the average low-temperature is 27.3°F (-2.6°C).

What is the average humidity in January in Sea Cliff?

The average relative humidity in January in Sea Cliff is 73%.

How much does it rain in Sea Cliff in January?

In Sea Cliff, New York, in January, during 9.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How much does it snow in Sea Cliff in January?

In Sea Cliff, in January, snow falls for 6.8 days, with typically accumulated 1.77" (45mm) of snow.

What is the ocean temperature in January in Sea Cliff?

In January, the average ocean temperature in Sea Cliff, New York, is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in January in Sea Cliff?

In January, the average length of the day in Sea Cliff, New York, is 9.6h.

How long on average sun shines in January in Sea Cliff?

In January, the average sunshine is 5.1h.

What are the months with the lowest UV index in Sea Cliff?

Months with the lowest UV index in Sea Cliff, New York, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Sea Cliff?

In January, the average daily maximum UV index in Sea Cliff is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in January - Sea Cliff, NY
  • Average high temperature in January: 2.5°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in January: -2.6°C

Months with the highest average low temperature are July and August (21.3°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in January - Sea Cliff, NY
  • Average pressure in January: 1017.7mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in January - Sea Cliff, NY
  • Average wind speed in January: 18km/h

The windiest month (with the highest average wind speed) is January (18km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).

Average humidity in January - Sea Cliff, NY
  • Average humidity in January: 73%

Months with the highest relative humidity are February, May and December (75%).
Months with the lowest relative humidity are August and November (71%).

Average rainfall in January - Sea Cliff, NY
  • Average rainfall in January: 63mm

The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (61mm).

Average rainfall days in January - Sea Cliff, NY
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in January - Sea Cliff, NY
  • Average snowfall in January: 45mm

The month with the highest snowfall is March (51mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January - Sea Cliff, NY
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in January - Sea Cliff, NY
  • Average sea temperature in January: 5.8°C

The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (4.4°C).

Average daylight in January / Average sunshine in January - Sea Cliff, NY
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 5.1h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in January - Sea Cliff, NY
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in January - Sea Cliff, NY
  • Average UV index in January: 2

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

Average cloud cover in January - Sea Cliff, NY
  • Average cloud cover in January: 44

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in January - Sea Cliff, NY
  • Average visibility in January: 9km

Months with the highest visibility are August, September and November (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, October and December (9km).