January Weather in Hartwick, United States

Last updated: June 24, 2025

The average temperature in Hartwick, United States during January hovers around -5°C (23°F). Expect chilling lows of -27°C (-16°F) and rare highs reaching up to 17°C (62°F). With an average precipitation of 84 mm (3.3 in) spread over 12 days, the atmosphere is often refreshingly damp, boasting an average humidity of 90%.

January Temperature in Hartwick

In January in Hartwick, the average temperature is -5°C (23°F). The maximum can reach 17°C (62°F) and the minimum can be as low as -27°C (-16°F). Be prepared for a wide range of temperatures, from chilly to quite mild, when traveling to Hartwick during this time.

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

The chart illustrates January temperature patterns in Hartwick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartwick, January typically has an average temperature of -5°C (23°F), with highs reaching up to 17°C (62°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Hartwick

In Hartwick in January, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

January Precipitation Trends in Hartwick

The chart displays monthly precipitation patterns in Hartwick, 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 Hartwick, January typically receives around 84 mm (3.3 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 Hartwick

In Hartwick 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 Hartwick

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

In Hartwick 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 Hartwick, you can check the information here.

Maximum UV Index Levels in Hartwick for January

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

Data source: Hartwick 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 Hartwick Compares to Other Months

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

This table compares monthly weather conditions in Hartwick, 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)	84 mm (3.3 inches)	90%	moderate
February Weather	-3°C (27°F)	99 mm (3.9 inches)	90%	moderate
March Weather	0°C (33°F)	89 mm (3.5 inches)	87%	high
April Weather	7°C (44°F)	121 mm (4.8 inches)	88%	very high
May Weather	14°C (57°F)	125 mm (4.9 inches)	82%	very high
June Weather	18°C (65°F)	118 mm (4.7 inches)	79%	very high
July Weather	21°C (70°F)	146 mm (5.7 inches)	78%	very high
August Weather	20°C (68°F)	127 mm (5.0 inches)	76%	very high
September Weather	16°C (62°F)	102 mm (4.0 inches)	78%	very high
October Weather	11°C (51°F)	163 mm (6.4 inches)	84%	high
November Weather	2°C (37°F)	105 mm (4.1 inches)	89%	moderate
December Weather	-2°C (29°F)	100 mm (4.0 inches)	86%	low