January weather forecast
Ithaca, NY

A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York
A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York

Weather in January

January, like December, is another subzero cold winter month in Ithaca, New York, with temperature in the range of an average low of 16.5°F (-8.6°C) and an average high of 27.9°F (-2.3°C).

Temperature

The coldest month is January, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.5°F (-8.6°C).

Humidity

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

Rainfall

In Ithaca, during January, the rain falls for 6.7 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 164.2 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Ithaca are January through May, October through December. In January, it is snowing for 18.8 days. Throughout January, 6.81" (173mm) of snow is accumulated. Throughout the year, in Ithaca, there are 82.1 snowfall days, and 34.57" (878mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 29min.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:43 pm. On the last day of January, in Ithaca, sunrise is at 7:20 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine is 2.7h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Ithaca?

With an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.5°F (-8.6°C), January is the coldest month.

What is the average humidity in January in Ithaca?

In Ithaca, New York, the average relative humidity in January is 86%.

How many days does it rain in January in Ithaca?

In January, in Ithaca, the rain falls for 6.7 days. Throughout January, 2.01" (51mm) of precipitation is accumulated.

How many days does it snow in January in Ithaca?

In Ithaca, New York, in January, during 18.8 snowfall days, 6.81" (173mm) of snow is typically accumulated.

How many hours of daylight does Ithaca have in January?

The average day length in January in Ithaca is 9h and 29min.

When is the sunrise / sunset in January in Ithaca?

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 4:43 pm. On the last day of the month, in Ithaca, New York, sunrise is at 7:20 am and sunset at 5:18 pm EST.

How many hours of sunshine does Ithaca have in January?

The average sunshine duration in January is 2.7h.

What is the month with the lowest UV index in Ithaca?

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

What is the UV index reading in January in Ithaca?

In January, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Ithaca, NY

Average temperature in January - Ithaca, NY
  • Average high temperature in January: 27.9°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in January: 16.5°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in January
Ithaca, NY

Average pressure in January - Ithaca, NY
  • Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Ithaca, NY

Average wind speed in January - Ithaca, NY
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in January
Ithaca, NY

Average humidity in January - Ithaca, NY
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).

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Average rainfall in January
Ithaca, NY

Average rainfall in January - Ithaca, NY
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (1.97").

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Average rainfall days in January
Ithaca, NY

Average rainfall days in January - Ithaca, NY
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in January
Ithaca, NY

Average snowfall in January - Ithaca, NY
  • Average snowfall in January: 6.81"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Ithaca, NY

Average snowfall days in January - Ithaca, NY
  • Average snowfall days in January: 18.8 days

The month with the highest number of snowfall days is January (18.8 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
Ithaca, NY

Average daylight in January / Average sunshine in January - Ithaca, NY
  • Average daylight in January: 9h and 29min

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in January: 2h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in January
Ithaca, NY

Average sunshine days in January - Ithaca, NY
  • Average sunshine days in January: 8.3 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.8 days).

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Average UV index in January
Ithaca, NY

Average UV index in January - Ithaca, 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
Ithaca, NY

Average cloud cover in January - Ithaca, NY
  • Average cloud cover in January: 74

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in January
Ithaca, NY

Average visibility in January - Ithaca, NY
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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