January Weather in Rockport, United States

Last updated: June 24, 2025

In January, the average temperature in Rockport, United States hovers around 2°C (36°F). Expect minimum chills reaching as low as -17°C (1°F) and maximum highs peaking at 20°C (69°F). During this month, precipitation accumulates to 93 mm (3.6 in) over approximately 9 days, coupled with a high average humidity of 87%. Prepare for a season that balances crisp air and occasional moisture!

January Temperature in Rockport

In January in Rockport, the average temperature is 2°C (36°F). Maximums can reach 20°C (69°F), while minimums can dip as low as -17°C (1°F). Be prepared for a wide range of temperatures if you're traveling during this month.

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

The chart illustrates January temperature patterns in Rockport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rockport, January typically has an average temperature of 2°C (36°F), with highs reaching up to 20°C (69°F) and lows dropping to around -17°C (1°F).

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

January Precipitation in Rockport

In Rockport in January, the precipitation amount is 93 mm (3.6 in) during a span of 9 days.

January Precipitation Trends in Rockport

The chart displays monthly precipitation patterns in Rockport, 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 Rockport, January typically receives around 93 mm (3.6 inches) of precipitation spread over approximately 9 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 Rockport

In Rockport in January, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

January Average Humidity in Rockport

This chart illustrates the average monthly humidity levels in Rockport, 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 Rockport is approximately 87%, 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 Rockport

In Rockport 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 Rockport, you can check the information here.

Maximum UV Index Levels in Rockport for January

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

Data source: Rockport 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 Rockport Compares to Other Months

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

This table compares monthly weather conditions in Rockport, 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 (36°F)	93 mm (3.6 inches)	87%	moderate
February Weather	4°C (40°F)	129 mm (5.1 inches)	86%	moderate
March Weather	9°C (49°F)	137 mm (5.4 inches)	86%	high
April Weather	14°C (57°F)	125 mm (4.9 inches)	82%	very high
May Weather	20°C (69°F)	135 mm (5.3 inches)	82%	very high
June Weather	25°C (77°F)	121 mm (4.8 inches)	83%	extreme
July Weather	27°C (80°F)	84 mm (3.3 inches)	80%	very high
August Weather	25°C (78°F)	84 mm (3.3 inches)	74%	very high
September Weather	23°C (73°F)	89 mm (3.5 inches)	71%	very high
October Weather	16°C (62°F)	121 mm (4.8 inches)	78%	high
November Weather	8°C (46°F)	94 mm (3.7 inches)	88%	moderate
December Weather	5°C (42°F)	107 mm (4.2 inches)	88%	moderate