January Weather in Rock Port, United States

Last updated: June 24, 2025

In Rock Port, United States, the average temperature in January hovers around -3°C (27°F), with extremes ranging from a chilling -31°C (-24°F) to a mild 16°C (61°F). This month typically sees 36 mm (1.4 in) of precipitation spread over 5 days, contributing to an average humidity of 76%. Prepare for a brisk yet captivating experience!

January Temperature in Rock Port

In January in Rock Port, the average temperature is -3°C (27°F), with maximums reaching 16°C (61°F) and minimums plummeting to -31°C (-24°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both chilly and mild weather.

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

The chart illustrates January temperature patterns in Rock Port, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Port, January typically has an average temperature of -3°C (27°F), with highs reaching up to 16°C (61°F) and lows dropping to around -31°C (-24°F).

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

January Precipitation in Rock Port

In Rock Port in January, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

January Precipitation Trends in Rock Port

The chart displays monthly precipitation patterns in Rock Port, 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 Port, January typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 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 Rock Port

In Rock Port in January, humidity is 76%. With an average temperature of -3°C (27°F), this humidity feels like a chilly dampness that seeps into your bones, making it essential to bundle up when traveling outdoors.

January Average Humidity in Rock Port

This chart illustrates the average monthly humidity levels in Rock Port, 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 Port is approximately 76%, 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 Rock Port

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

Maximum UV Index Levels in Rock Port for January

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

Data source: Rock Port 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 Port Compares to Other Months

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

This table compares monthly weather conditions in Rock Port, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	36 mm (1.4 inches)	76%	moderate
February Weather	-2°C (28°F)	32 mm (1.3 inches)	80%	moderate
March Weather	6°C (44°F)	93 mm (3.7 inches)	73%	high
April Weather	11°C (52°F)	77 mm (3.0 inches)	74%	very high
May Weather	18°C (65°F)	154 mm (6.1 inches)	78%	very high
June Weather	25°C (77°F)	118 mm (4.6 inches)	82%	extreme
July Weather	26°C (79°F)	105 mm (4.1 inches)	83%	very high
August Weather	24°C (76°F)	116 mm (4.6 inches)	80%	very high
September Weather	21°C (71°F)	97 mm (3.8 inches)	75%	very high
October Weather	12°C (55°F)	142 mm (5.6 inches)	75%	high
November Weather	5°C (42°F)	34 mm (1.4 inches)	82%	moderate
December Weather	1°C (34°F)	34 mm (1.3 inches)	83%	moderate