January Weather in Northwest Ithaca, United States

Last updated: June 24, 2025

In January, the average temperature in Northwest Ithaca, United States hovers around -3°C (26°F). Expect chilly extremes, with minimums plummeting to -25°C (-13°F) and maximums soaring to 17°C (63°F). With an impressive 82 mm (3.2 in) of precipitation over 13 days, you can anticipate a damp month, enhanced by a high average humidity of 90%.

January Temperature in Northwest Ithaca

In January in Northwest Ithaca, the average temperature is -3°C (26°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -25°C (-13°F). It's essential to prepare for a wide range of temperatures when traveling during this time.

January Weather in Northwest Ithaca: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Northwest Ithaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northwest Ithaca, January typically has an average temperature of -3°C (26°F), with highs reaching up to 17°C (63°F) and lows dropping to around -25°C (-13°F).

Data source: Temperature data for Northwest Ithaca generated using information from the Copernicus Climate Change Service.

January Precipitation in Northwest Ithaca

In Northwest Ithaca in January, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

January Precipitation Trends in Northwest Ithaca

The chart displays monthly precipitation patterns in Northwest Ithaca, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Northwest Ithaca, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Northwest Ithaca

In Northwest Ithaca in January, humidity is 90%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor exploration feel arduous and uncomfortable as the cold, damp air grips your skin.

January Average Humidity in Northwest Ithaca

This chart illustrates the average monthly humidity levels in Northwest Ithaca, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Northwest Ithaca is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Northwest Ithaca

In Northwest Ithaca in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Northwest Ithaca, you can check the information here.

Maximum UV Index Levels in Northwest Ithaca for January

The chart shows the monthly maximum UV Index (UVI) for Northwest Ithaca in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Northwest Ithaca typically reaches 3, which falls under the moderate exposure category.

Data source: Northwest Ithaca January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Northwest Ithaca Compares to Other Months

Weather in Northwest Ithaca varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Northwest Ithaca, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Northwest Ithaca, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	82 mm (3.2 inches)	90%	moderate
February Weather	-2°C (28°F)	89 mm (3.5 inches)	90%	moderate
March Weather	1°C (34°F)	85 mm (3.4 inches)	87%	high
April Weather	8°C (46°F)	118 mm (4.6 inches)	88%	very high
May Weather	14°C (58°F)	127 mm (5.0 inches)	82%	very high
June Weather	19°C (67°F)	95 mm (3.7 inches)	79%	very high
July Weather	22°C (72°F)	146 mm (5.8 inches)	78%	very high
August Weather	21°C (70°F)	100 mm (3.9 inches)	76%	very high
September Weather	17°C (64°F)	91 mm (3.6 inches)	78%	very high
October Weather	12°C (53°F)	150 mm (5.9 inches)	84%	high
November Weather	4°C (39°F)	95 mm (3.7 inches)	89%	moderate
December Weather	0°C (32°F)	97 mm (3.8 inches)	86%	low