January weather forecast
Port Byron, NY

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Weather in January

January, like December, is another subzero cold winter month in Port Byron, New York, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 17.4°F (-8.1°C).

Temperature

Port Byron witnesses the coldest weather in January, with temperatures averaging a high of 28.6°F (-1.9°C) and a low of 17.4°F (-8.1°C).

Humidity

In Port Byron, the average relative humidity in January is 86%.

Rainfall

January and September are months with the least rain when the rain falls for 7.1 days and typically aggregates up to 1.93" (49mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Port Byron, in January, during 19.7 snowfall days, 7.13" (181mm) of snow is typically accumulated. Throughout the year, there are 80.8 snowfall days, and 35.91" (912mm) of snow is accumulated.

Daylight

In Port Byron, the average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:37 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:17 pm EST.

Sunshine

The average sunshine in January is 2.7h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Port Byron, January registers the lowest temperatures, averaging 28.6°F (-1.9°C) at the peak and 17.4°F (-8.1°C) at the lowest.

How cold is January?

The high-temperature, in January, in Port Byron, records 28.6°F (-1.9°C), while the low-temperature is 17.4°F (-8.1°C).

What is the average humidity in January?

In Port Byron, the average relative humidity in January is 86%.

What is the driest month?

January and September are months with the least rain when the rain falls for 7.1 days and typically aggregates up to 1.93" (49mm) of rain.

How much does it rain in January?

In Port Byron, in January, it is raining for 7.1 days, with typically 1.93" (49mm) of accumulated precipitation.

How many days does it snow in January?

In Port Byron, during January, snow falls for 19.7 days and regularly aggregates up to 7.13" (181mm) of snow.

How many hours of daylight does Port Byron have in January?

In January, the average day length is 9h and 26min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:37 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:17 pm EST.

How many hours of sunshine does Port Byron have in January?

In Port Byron, New York, the average sunshine duration in January is 2.7h.

When is the lowest UV index?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Port Byron, NY

Average temperature in January - Port Byron, NY
  • Average high temperature in January: 28.6°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in January
Port Byron, NY

Average pressure in January - Port Byron, 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 (29.92"Hg).

Average wind speed in January
Port Byron, NY

Average wind speed in January - Port Byron, NY
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in January
Port Byron, NY

Average humidity in January - Port Byron, NY
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).

Average rainfall in January
Port Byron, NY

Average rainfall in January - Port Byron, NY
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is October (3.27").
The driest months (with the least rainfall) are January and September (1.93").

Average rainfall days in January
Port Byron, NY

Average rainfall days in January - Port Byron, NY
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in January
Port Byron, NY

Average snowfall in January - Port Byron, NY
  • Average snowfall in January: 7.13"

The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Port Byron, NY

Average snowfall days in January - Port Byron, NY
  • Average snowfall days in January: 19.7 days

The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Port Byron, NY

Average daylight in January / Average sunshine in January - Port Byron, NY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 2h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in January
Port Byron, NY

Average sunshine days in January - Port Byron, NY
  • Average sunshine days in January: 8 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.3 days).

Average UV index in January
Port Byron, NY

Average UV index in January - Port Byron, NY
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in January
Port Byron, NY

Average cloud cover in January - Port Byron, NY
  • Average cloud cover in January: 74

The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in January
Port Byron, NY

Average visibility in January - Port Byron, NY
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Port Byron, New York, USA

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