January weather forecastBarnum Island, NY

January

Weather in January

January, the same as December, is a wintry winter month in Barnum Island, New York, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 29.7°F (-1.3°C).

Temperature

With average high and low temperatures of 37.8°F (3.2°C) and 29.7°F (-1.3°C) respectively, January is Barnum Island's coldest month.

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Barnum Island, in January, snow falls for 4.5 days, with typically accumulated 1.26" (32mm) of snow. In Barnum Island, during the entire year, snow falls for 15.3 days and aggregates up to 5.04" (128mm) of snow.

Ocean temperature

In Barnum Island, New York, the average seawater temperature in January is 42.4°F (5.8°C).
Note: Dipping into 42.4°F (5.8°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.

Daylight

In January, the average length of the day is 9h and 40min.
On the first day of January in Barnum Island, sunrise is at 7:18 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:10 pm EST.

Sunshine

The average sunshine in January is 5.2h.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The month of January sees the average lowest temperatures, reaching 37.8°F (3.2°C) at the peak and 29.7°F (-1.3°C) at the low.

The high-temperature during January is 37.8°F (3.2°C) and the low-temperature is 29.7°F (-1.3°C).

The average relative humidity in January is 73%.

The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 2.17" (55mm) of precipitation.

In Barnum Island, in January, during 7.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

In Barnum Island, New York, in January, snow falls for 4.5 days, with typically accumulated 1.26" (32mm) of snow.

In January, the average ocean temperature is 42.4°F (5.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

The average day length in January is 9h and 40min.

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:10 pm EST.

In January, the average sunshine duration is 5.2h.

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

In Barnum Island, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Dec

January

Feb

Average high temperature

43.7°F

37.8°F

39.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14mph

14.4mph

13.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

2.1

4.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.6

18.7

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Barnum Island, NY

Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).

Average low temperature in January: 29.7°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in January
Barnum Island, NY

Average pressure in January: 30.05"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
Barnum Island, NY

Average wind speed in January: 13.6mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

Average humidity in January
Barnum Island, NY

Average humidity in January: 73%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in January
Barnum Island, NY

Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in January
Barnum Island, NY

Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in January
Barnum Island, NY

Average snowfall in January: 1.26"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Barnum Island, NY

Average snowfall days in January: 4.5 days

The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in January
Barnum Island, 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
Barnum Island, NY

Average daylight in January: 9h and 42min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in January: 5h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Barnum Island, NY

Average sunshine days in January: 18.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in January
Barnum Island, 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 and December (UV index 2).

Average cloud cover in January
Barnum Island, NY

Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in January
Barnum Island, 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).