January weather forecast
Ithaca, NY

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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 in Ithaca, New York, tends to bring brisk temperatures and frequent snowfall. The high-temperature averages are 27.9°F (-2.3°C) and the low at 16.5°F (-8.6°C). The short days, characterized by only 2.7 hours of sunshine, mean most of the day is humid and cloudy. Its relative humidity level of 86% is amongst the year’s highest. Longer nights and frosty temperatures make this city a haven for winter-lovers.

Temperature

In Ithaca, the month of January registers the lowest temperatures, averaging 27.9°F (-2.3°C) at the peak and 16.5°F (-8.6°C) at the lowest.

Humidity

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

Rainfall

In January, in Ithaca, the rain falls for 6.7 days. Throughout January, 2.01" (51mm) of precipitation is accumulated. In Ithaca, during the entire year, the rain falls for 164.2 days and collects up to 32.56" (827mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Ithaca, in January, snow falls for 18.8 days, with typically accumulated 6.81" (173mm) of snow. In Ithaca, New York, during the entire year, snow falls for 82.1 days and aggregates up to 34.57" (878mm) of snow.

Daylight

In Ithaca, New York, 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 5:17 pm EST.

Sunshine

The average sunshine in January in Ithaca is 2.7h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 1 in January converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the coldest month in Ithaca?

The month of January sees the average lowest temperatures in Ithaca, reaching 27.9°F (-2.3°C) at the peak and 16.5°F (-8.6°C) at the low.

How cold is it in Ithaca in January?

In January, the average high-temperature and low-temperature in Ithaca, New York, are 27.9°F (-2.3°C) and 16.5°F (-8.6°C) respectively.

What is the average humidity in January in Ithaca?

The average relative humidity in January in Ithaca is 86%.

How much does it rain in Ithaca in January?

In Ithaca, in January, it is raining for 6.7 days, with typically 2.01" (51mm) of accumulated precipitation.

How much does it snow in Ithaca in January?

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

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

In January, the average day length in Ithaca, New York, is 9h and 29min.

When are sunrise and 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, sunrise is at 7:20 am and sunset at 5:17 pm EST.

How long on average sun shines in January in Ithaca?

In January, the average sunshine duration in Ithaca is 2.7h.

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

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

What is the UV index reading in January in Ithaca?

In January, the average daily maximum UV index in Ithaca is 1. A UV Index 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
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 3min

The month with the longest days is June (Average daylight: 15h and 12min).
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 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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Ithaca, New York, USA

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