January weather forecast
East Rochester, NY

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Weather in January

January, the same as December, in East Rochester, New York, is a freezing cold winter month, with an average temperature ranging between max 29.7°F (-1.3°C) and min 19.6°F (-6.9°C).

Temperature

During the coldest month, January, temperatures average a high of 29.7°F (-1.3°C) and a low of 19.6°F (-6.9°C).

Humidity

January and February, with an average relative humidity of 84%, are the most humid months.

Rainfall

January is the month with the least rainfall in East Rochester. Rain falls for 9.7 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 17.6 days. Throughout January, 3.66" (93mm) of snow is accumulated. Throughout the year, in East Rochester, there are 70.8 snowfall days, and 20.16" (512mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:41 am and sunset at 4:45 pm. On the last day of January, in East Rochester, sunrise is at 7:26 am and sunset at 5:20 pm EST.

Sunshine

With an average of 2.6h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In January, a regular UV index of 1 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in East Rochester?

The coldest period in East Rochester, New York, tends to be January, when average temperatures fluctuate between a high of 29.7°F (-1.3°C) and a low of 19.6°F (-6.9°C).

How cold is January in East Rochester?

In January, in East Rochester, the average high-temperature is 29.7°F (-1.3°C), and the average low-temperature is 19.6°F (-6.9°C).

What is the most humid month in East Rochester?

The months with the highest humidity are January and February, with an average relative humidity of 84%.

What is the average humidity in January in East Rochester?

The average relative humidity in January is 84%.

What is the driest month in East Rochester?

The month with the least rainfall in East Rochester, New York, is January, when the rain falls for 9.7 days and typically collects 1.26" (32mm) of precipitation.

How much does it rain in East Rochester in January?

In East Rochester, in January, it is raining for 9.7 days, with typically 1.26" (32mm) of accumulated precipitation.

How much does it snow in East Rochester in January?

In East Rochester, New York, in January, during 17.6 snowfall days, 3.66" (93mm) of snow is typically accumulated.

What is the average length of the day in January in East Rochester?

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

When are sunrise and sunset in January in East Rochester?

On the first day of January, sunrise is at 7:41 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:20 pm EST.

What is the month with the least sunshine in East Rochester?

With an average of 2.6h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in East Rochester?

In January, the average sunshine duration in East Rochester, New York, is 2.6h.

What are the months with the lowest UV index in East Rochester?

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

What is the UV index intensity in January in East Rochester?

The average daily maximum UV index in January in East Rochester is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
East Rochester, NY

Average temperature in January - East Rochester, NY
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in January: 19.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in January
East Rochester, NY

Average pressure in January - East Rochester, 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).

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Average wind speed in January
East Rochester, NY

Average wind speed in January - East Rochester, NY
  • Average wind speed in January: 11.4mph

The windiest months (with the highest average wind speed) are January and February (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in January
East Rochester, NY

Average humidity in January - East Rochester, NY
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is September (76%).

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Average rainfall in January
East Rochester, NY

Average rainfall in January - East Rochester, NY
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in January
East Rochester, NY

Average rainfall days in January - East Rochester, NY
  • Average rainfall days in January: 9.7 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in January
East Rochester, NY

Average snowfall in January - East Rochester, NY
  • Average snowfall in January: 3.66"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
East Rochester, NY

Average snowfall days in January - East Rochester, NY
  • Average snowfall days in January: 17.6 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
East Rochester, NY

Average daylight in January / Average sunshine in January - East Rochester, 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 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in January
East Rochester, NY

Average sunshine days in January - East Rochester, NY
  • Average sunshine days in January: 7.3 days

The months with the most sunshine days are May and September (12.8 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in January
East Rochester, NY

Average UV index in January - East Rochester, NY
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
East Rochester, NY

Average cloud cover in January - East Rochester, NY
  • Average cloud cover in January: 74

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in January
East Rochester, NY

Average visibility in January - East Rochester, NY
  • Average visibility in January: 5mi

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

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East Rochester, New York, USA

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