January Weather in Oneonta, United States

Last updated: June 24, 2025

In January, the average temperature in Oneonta, United States hovers around -5°C (23°F), with extremes reaching a minimum of -26°C (-14°F) and a maximum of 16°C (61°F). This chilly month sees about 81 mm (3.2 in) of precipitation over 12 days, contributing to an average humidity of 90%. Be prepared for brisk days and the potential for frosty weather!

January Temperature in Oneonta

In January in Oneonta, the average temperature is -5°C (23°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -26°C (-14°F). Be prepared for a wide range of temperatures, making it essential to dress in layers for your travels.

January Weather in Oneonta: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Oneonta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oneonta, January typically has an average temperature of -5°C (23°F), with highs reaching up to 16°C (61°F) and lows dropping to around -26°C (-14°F).

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

January Precipitation in Oneonta

In Oneonta in January, the precipitation amount is 81 mm (3.2 in) over a span of 12 days.

January Precipitation Trends in Oneonta

The chart displays monthly precipitation patterns in Oneonta, 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 Oneonta, January typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Oneonta

In Oneonta in January, humidity is 90%. With an average temperature of -5°C (23°F), this humidity feels like walking through an icy mist, making it challenging to stay warm while traveling as your clothes cling to your skin, and every breath feels damp and heavy in the frigid air.

January Average Humidity in Oneonta

This chart illustrates the average monthly humidity levels in Oneonta, 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 Oneonta 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 Oneonta

In Oneonta 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 Oneonta, you can check the information here.

Maximum UV Index Levels in Oneonta for January

The chart shows the monthly maximum UV Index (UVI) for Oneonta 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 Oneonta typically reaches 3, which falls under the moderate exposure category.

Data source: Oneonta 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 Oneonta Compares to Other Months

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

This table compares monthly weather conditions in Oneonta, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	81 mm (3.2 inches)	90%	moderate
February Weather	-3°C (26°F)	96 mm (3.8 inches)	90%	moderate
March Weather	0°C (32°F)	87 mm (3.4 inches)	87%	high
April Weather	7°C (44°F)	115 mm (4.5 inches)	88%	very high
May Weather	13°C (56°F)	120 mm (4.7 inches)	82%	very high
June Weather	18°C (65°F)	104 mm (4.1 inches)	79%	very high
July Weather	21°C (70°F)	123 mm (4.9 inches)	78%	very high
August Weather	20°C (68°F)	109 mm (4.3 inches)	76%	very high
September Weather	16°C (61°F)	98 mm (3.9 inches)	78%	very high
October Weather	11°C (51°F)	150 mm (5.9 inches)	84%	high
November Weather	2°C (37°F)	101 mm (4.0 inches)	89%	moderate
December Weather	-2°C (29°F)	94 mm (3.7 inches)	86%	low