January weather forecastManorhaven, NY

January

Weather in January

January, the same as December, is another cold winter month in Manorhaven, New York, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.8°F (-2.9°C).

Temperature

Manorhaven witnesses the coldest weather in January, with temperatures averaging a high of 36.5°F (2.5°C) and a low of 26.8°F (-2.9°C).

Humidity

In January, the average relative humidity in Manorhaven is 73%.

Rainfall

In Manorhaven, New York, in January, it is raining for 9.2 days, with typically 2.44" (62mm) of accumulated precipitation. In Manorhaven, New York, during the entire year, the rain falls for 168.7 days and collects up to 36.69" (932mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Manorhaven, in January, snow falls for 7.5 days, with typically accumulated 1.85" (47mm) of snow. In Manorhaven, during the entire year, snow falls for 23 days and aggregates up to 8.23" (209mm) of snow.

Ocean temperature

In Manorhaven, the average seawater temperature in January is 42.4°F (5.8°C).
Note: To swim in 42.4°F (5.8°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 Manorhaven, New York, the average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:10 pm EST.

Sunshine

In Manorhaven, 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The month of January, characterized by an average high of 36.5°F (2.5°C) and a low of 26.8°F (-2.9°C), is recognized as the coldest in Manorhaven, New York.

The high-temperature, in January, in Manorhaven, is 36.5°F (2.5°C), while the low-temperature averages to 26.8°F (-2.9°C).

The average relative humidity in January in Manorhaven is 73%.

In Manorhaven, New York, during January, the rain falls for 9.2 days and regularly aggregates up to 2.44" (62mm) of precipitation.

In Manorhaven, New York, in January, during 7.5 snowfall days, 1.85" (47mm) of snow is typically accumulated.

In January, the average ocean temperature in Manorhaven is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

In Manorhaven, New York, the average day length in January is 9h and 38min.

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of the month, in Manorhaven, sunrise is at 7:06 am and sunset at 5:10 pm EST.

In Manorhaven, New York, the average sunshine duration in January is 5.1h.

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

In Manorhaven, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

42.1°F

36.5°F

38.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.7mph

11.1mph

10.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

3.9

7.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

14.9

16.7

13.3

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Manorhaven, NY

Average high temperature in January: 36.5°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.5°F).

Average low temperature in January: 26.8°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in January
Manorhaven, 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
Manorhaven, NY

Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in January
Manorhaven, NY

Average humidity in January: 73%

The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).

Average rainfall in January
Manorhaven, NY

Average rainfall in January: 2.44"

The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is February (2.36").

Average rainfall days in January
Manorhaven, NY

Average rainfall days in January: 9.2 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in January
Manorhaven, NY

Average snowfall in January: 1.85"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Manorhaven, NY

Average snowfall days in January: 7.5 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Manorhaven, NY

Average sea temperature in January: 42.4°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

Average daylight in January /
Average sunshine in January
Manorhaven, NY

Average daylight in January: 9h and 36min

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 6min

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
Manorhaven, NY

Average sunshine days in January: 16.7 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in January
Manorhaven, 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
Manorhaven, NY

Average cloud cover in January: 43

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
Manorhaven, 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).