January weather forecast
Brightwaters, NY

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Weather in January

January, like December, in Brightwaters, New York, is an icy winter month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 37.9°F (3.3°C).

Temperature

In Brightwaters, the lowest temperatures are generally noted in January, averaging a high of 37.9°F (3.3°C) and a low of 30°F (-1.1°C).

Humidity

In January, the average relative humidity is 72%.

Rainfall

January is the month with the least rainfall. Rain falls for 7.6 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall. In Brightwaters, in January, snow falls for 3.8 days, with typically accumulated 1.22" (31mm) of snow. In Brightwaters, during the entire year, snow falls for 13 days and aggregates up to 5.87" (149mm) of snow.

Daylight

In Brightwaters, New York, the average length of the day in January is 9h and 39min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of January, in Brightwaters, sunrise is at 7:04 am and sunset at 5:08 pm EST.

Sunshine

In Brightwaters, 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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 in January translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January, having an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30°F (-1.1°C), is the coldest month.

How cold does it get in January?

January temperatures vary between a high-temperature of 37.9°F (3.3°C) and a low-temperature of 30°F (-1.1°C).

What is the average humidity in January?

In January, the average relative humidity is 72%.

What is the driest month?

January is the month with the least rainfall in Brightwaters. Rain falls for 7.6 days and accumulates 2.05" (52mm) of precipitation.

How much does it rain in January?

In January, the rain falls for 7.6 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 3.8 days. Throughout January, 1.22" (31mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 39min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:08 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 5.2h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In Brightwaters, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Brightwaters, NY

Average temperature in January - Brightwaters, NY
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 30°F

The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in January
Brightwaters, NY

Average pressure in January - Brightwaters, 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
Brightwaters, NY

Average wind speed in January - Brightwaters, NY
  • Average wind speed in January: 13.4mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

Average humidity in January
Brightwaters, NY

Average humidity in January - Brightwaters, NY
  • Average humidity in January: 72%

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall in January
Brightwaters, NY

Average rainfall in January - Brightwaters, NY
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in January
Brightwaters, NY

Average rainfall days in January - Brightwaters, NY
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in January
Brightwaters, NY

Average snowfall in January - Brightwaters, NY
  • Average snowfall in January: 1.22"

The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in January
Brightwaters, NY

Average snowfall days in January - Brightwaters, NY
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is February (4.2 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
Brightwaters, NY

Average daylight in January / Average sunshine in January - Brightwaters, NY
  • Average daylight in January: 9h and 4min

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 1min

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
Brightwaters, NY

Average sunshine days in January - Brightwaters, NY
  • Average sunshine days in January: 19.4 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in January
Brightwaters, NY

Average UV index in January - Brightwaters, 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
Brightwaters, NY

Average cloud cover in January - Brightwaters, 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
Brightwaters, NY

Average visibility in January - Brightwaters, 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).

Brightwaters, New York, USA

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