January Weather in Hershey, United States

Last updated: June 24, 2025

In Hershey, United States, the average temperature in January hovers around -2°C (28°F). Be prepared for extremes, as temperatures can drop to a chilling -25°C (-13°F) or rise to a mild 16°C (61°F). Expect 14 mm (0.6 in) of precipitation over about 2 days, accompanied by an average humidity of 73%. Stay warm and enjoy the unique weather!

January Temperature in Hershey

In January in Hershey, the average temperature is -2°C (28°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures during this time, from chilly days to occasional warm spells.

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

The chart illustrates January temperature patterns in Hershey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hershey, January typically has an average temperature of -2°C (28°F), with highs reaching up to 16°C (61°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Hershey

In Hershey in January, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.

January Precipitation Trends in Hershey

The chart displays monthly precipitation patterns in Hershey, 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 Hershey, January typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 2 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 Hershey

In Hershey in January humidity is 73%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and encouraging travelers to seek warmth indoors.

January Average Humidity in Hershey

This chart illustrates the average monthly humidity levels in Hershey, 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 Hershey is approximately 73%, 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 Hershey

In Hershey 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 Hershey, you can check the information here.

Maximum UV Index Levels in Hershey for January

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

Data source: Hershey 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 Hershey Compares to Other Months

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

This table compares monthly weather conditions in Hershey, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	14 mm (0.6 inches)	73%	moderate
February Weather	-3°C (26°F)	19 mm (0.7 inches)	80%	moderate
March Weather	4°C (40°F)	68 mm (2.7 inches)	64%	high
April Weather	8°C (47°F)	46 mm (1.8 inches)	64%	very high
May Weather	14°C (58°F)	113 mm (4.5 inches)	76%	very high
June Weather	22°C (72°F)	66 mm (2.6 inches)	79%	extreme
July Weather	24°C (76°F)	66 mm (2.6 inches)	77%	extreme
August Weather	23°C (73°F)	64 mm (2.5 inches)	79%	very high
September Weather	19°C (67°F)	47 mm (1.9 inches)	70%	very high
October Weather	9°C (49°F)	42 mm (1.7 inches)	64%	high
November Weather	4°C (39°F)	22 mm (0.9 inches)	75%	moderate
December Weather	-1°C (31°F)	25 mm (1.0 inches)	78%	moderate