January weather forecast
East Rochester, NY

Weather in January

January, like December, is a freezing cold winter month in East Rochester, New York, with an average temperature varying between 19.6°F (-6.9°C) and 29.7°F (-1.3°C).

Temperature

With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 19.6°F (-6.9°C), January is the coldest month.

Humidity

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

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 in East Rochester, New York, 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

In January, the average length of the day in East Rochester is 9h and 26min.
On the first day of January in East Rochester, New York, 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.

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 in East Rochester, New York, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 1 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in East Rochester?

The coldest month in East Rochester, New York, is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 19.6°F (-6.9°C).

What is the temperature in January in East Rochester?

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

What are the most humid months in East Rochester?

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

What is the average humidity in January in East Rochester?

In January, the average relative humidity in East Rochester 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 many days does it rain in January in East Rochester?

In East Rochester, in January, during 9.7 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How much does it snow in East Rochester in January?

In East Rochester, New York, in January, snow falls for 17.6 days, with typically accumulated 3.66" (93mm) of snow.

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

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

When is the sunrise / sunset in January in East Rochester?

In January, on the first day of the month, 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 in East Rochester.

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

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

What is the month with the lowest UV index in East Rochester?

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

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

In January, the average daily maximum UV index in East Rochester, New York, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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 26min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in January: 2h and 36min

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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