Rochester
New York, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Rochester, NY

The High Falls in Rochester, New York, and the distant view of the city
The High Falls in Rochester, New York, and the distant view of the city
January, like December, is a freezing cold winter month in Rochester, New York, with temperature in the range of an average low of 17.6°F (-8°C) and an average high of 31.6°F (-0.2°C).

Temperature

January is the coldest month, with an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 17.6°F (-8°C).

Humidity

In Rochester, New York, the average relative humidity in January is 74%.

Rainfall

In Rochester, during 19.4 rainfall days, 2.4" (61.2mm) of precipitation is typically accumulated. In Rochester, during the entire year, the rain falls for 166.8 days and collects up to 34.3" (870.4mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall in Rochester. Snow falls for 18 days and accumulates 28.2" (716.3mm) of snow.

Ocean temperature

In January, the average ocean temperature is 37.9°F (3.3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In January, the average length of the day in Rochester is 9.4h.

Sunshine

In Rochester, New York, the average sunshine in January is 3.5h.

What is the coldest month in Rochester?

With an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 17.6°F (-8°C), January is the coldest month in Rochester, New York.

What is the temperature in January in Rochester?

The average high-temperature, in January, is 31.6°F (-0.2°C), while the average low-temperature is 17.6°F (-8°C).

What is the average humidity in January in Rochester?

The average relative humidity in January in Rochester is 74%.

How much does it rain in Rochester in January?

In Rochester, in January, during 19.4 rainfall days, 2.4" (61.2mm) of precipitation is typically accumulated.

How much does it snow in Rochester in January?

In Rochester, New York, in January, snow falls for 18 days, with typically accumulated 28.2" (716.3mm) of snow.

When does it snow the most in Rochester?

The month with the most snowfall in Rochester, New York, is January when snow falls for 18 days and typically aggregates up to 28.2" (716.3mm) of snow.

What is the ocean temperature in January in Rochester?

In Rochester, the average seawater temperature in January is 37.9°F (3.3°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

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

In January, the average length of the day is 9.4h.

How long on average sun shines in January in Rochester?

In Rochester, New York, the average sunshine in January is 3.5h.
Average temperature in January - Rochester, NY
  • Average high temperature in January: 31.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.7°F).

  • Average low temperature in January: 17.6°F

The month with the highest average low temperature is July (60.7°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average humidity in January - Rochester, NY
  • Average humidity in January: 74%

The month with the highest relative humidity is December (77.5%).
The month with the lowest relative humidity is April (67%).

Average rainfall in January - Rochester, NY
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is August (3.5").
The driest month (with the lowest rainfall) is February (2").

Average rainfall days in January - Rochester, NY
  • Average rainfall days in January: 19.4 days

The month with the highest number of rainy days is January (19.4 days).
Months with the lowest number of rainy days are July and August (10.8 days).

Average snowfall in January - Rochester, NY
  • Average snowfall in January: 28.2"

The month with the highest snowfall is January (28.2").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in January - Rochester, NY
  • Average snowfall days in January: 18 days

The month with the highest number of snowfall days is January (18 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in January - Rochester, NY
  • Average sea temperature in January: 38°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is March (35.8°F).

Average daylight in January / Average sunshine in January - Rochester, NY
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in January: 3.5h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 2.5h).