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January Weather in Rock Mills, United States

Last updated: June 24, 2025

In January, the average temperature in Rock Mills, United States is a refreshing 8°C (47°F). While lows can dip to a chilly -11°C (13°F), the mercury can rise as high as a pleasant 25°C (78°F). Expect 108 mm (4.3 in) of precipitation spread over 9 days, contributing to an average humidity of 85%. Stay prepared for a mix of weather!

January Temperature in Rock Mills

In January in Rock Mills, the average temperature is 8°C (47°F), with maximums reaching up to 25°C (78°F) and minimums dropping as low as -11°C (13°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Rock Mills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Mills, January typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (78°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec465257637177807976675349
Data source: Temperature data for Rock Mills generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Rock Mills

In Rock Mills in January, the precipitation amount is 108 mm (4.3 in) spread over 9 days.

January Precipitation Trends in Rock Mills

The chart displays monthly precipitation patterns in Rock Mills, 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 Rock Mills, January typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10814611413010111810513110211784145
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rock Mills

In Rock Mills in January humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

January Average Humidity in Rock Mills

This chart illustrates the average monthly humidity levels in Rock Mills, 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 Rock Mills is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rock Mills

In Rock Mills in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Rock Mills for better planning.

Maximum UV Index Levels in Rock Mills for January

The chart shows the monthly maximum UV Index (UVI) for Rock Mills 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 Rock Mills typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Rock Mills 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 Rock Mills Compares to Other Months

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

This table compares monthly weather conditions in Rock Mills, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)108 mm (4.3 inches)85%moderate
February Weather11°C (53°F)146 mm (5.7 inches)84%high
March Weather14°C (58°F)114 mm (4.5 inches)82%very high
April Weather17°C (63°F)130 mm (5.1 inches)82%very high
May Weather22°C (72°F)101 mm (4.0 inches)81%extreme
June Weather25°C (77°F)118 mm (4.6 inches)77%extreme
July Weather26°C (80°F)105 mm (4.1 inches)77%extreme
August Weather26°C (79°F)131 mm (5.2 inches)72%extreme
September Weather24°C (76°F)102 mm (4.0 inches)73%very high
October Weather19°C (67°F)117 mm (4.6 inches)73%very high
November Weather12°C (53°F)84 mm (3.3 inches)85%high
December Weather10°C (49°F)145 mm (5.7 inches)88%moderate

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