nomadseason

January Weather in Slippery Rock, United States

Last updated: June 24, 2025

In Slippery Rock, United States, the average temperature for January hovers around -2°C (29°F). Expect a range of temperatures, with minimums plummeting to -24°C (-10°F) and maximums reaching up to 20°C (68°F). During this month, the region experiences a precipitation total of 102 mm (4.0 in) over approximately 13 days, while the average humidity levels remain high at 88%.

January Temperature in Slippery Rock

In January in Slippery Rock, the average temperature is -2°C (29°F), with maximums reaching 20°C (68°F) and minimums dropping as low as -24°C (-10°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both cold and warmer days.

January Weather in Slippery Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Slippery Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slippery Rock, January typically has an average temperature of -2°C (29°F), with highs reaching up to 20°C (68°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec293239496168737166554034
Data source: Temperature data for Slippery Rock generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Slippery Rock

In Slippery Rock in January, precipitation amounts to 102 mm (4.0 in) over the course of 13 days.

January Precipitation Trends in Slippery Rock

The chart displays monthly precipitation patterns in Slippery Rock, 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 Slippery Rock, January typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec102117106141150140146101119129104104
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Slippery Rock

In Slippery Rock in January, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

January Average Humidity in Slippery Rock

This chart illustrates the average monthly humidity levels in Slippery Rock, 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 Slippery Rock is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Slippery Rock

In Slippery Rock 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 Slippery Rock, you can check the information here.

Maximum UV Index Levels in Slippery Rock for January

The chart shows the monthly maximum UV Index (UVI) for Slippery Rock 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 Slippery Rock typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Slippery Rock 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 Slippery Rock Compares to Other Months

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

This table compares monthly weather conditions in Slippery Rock, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)102 mm (4.0 inches)88%moderate
February Weather0°C (33°F)117 mm (4.6 inches)88%moderate
March Weather4°C (39°F)106 mm (4.2 inches)87%high
April Weather10°C (49°F)141 mm (5.6 inches)87%very high
May Weather16°C (61°F)150 mm (5.9 inches)81%very high
June Weather20°C (69°F)139 mm (5.5 inches)83%very high
July Weather23°C (74°F)145 mm (5.7 inches)82%very high
August Weather22°C (71°F)101 mm (4.0 inches)76%very high
September Weather19°C (66°F)119 mm (4.7 inches)77%very high
October Weather13°C (56°F)129 mm (5.1 inches)82%high
November Weather5°C (41°F)104 mm (4.1 inches)89%moderate
December Weather1°C (35°F)104 mm (4.1 inches)86%low

Compare Slippery Rock's Climate with Cities Worldwide