January Weather in Port Lavaca, United States

Last updated: June 24, 2025

In January, the average temperature in Port Lavaca, United States hovers around 14°C (57°F), with temperatures fluctuating between a minimum of -5°C (23°F) and a maximum of 29°C (84°F). Expect about 52 mm (2.0 in) of precipitation spread over 5 days, and enjoy the moderate humidity level at 78%.

January Temperature in Port Lavaca

In January in Port Lavaca, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F) and the minimum can be as low as -5°C (23°F). Therefore, travelers should be prepared for a wide range of temperatures, bringing both light clothing for warm days and warmer layers for the cooler nights.

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

The chart illustrates January temperature patterns in Port Lavaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Lavaca, January typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Port Lavaca

In Port Lavaca in January, the precipitation amount is 52 mm (2.0 in) over a span of 5 days.

January Precipitation Trends in Port Lavaca

The chart displays monthly precipitation patterns in Port Lavaca, 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 Port Lavaca, January typically receives around 52 mm (2.0 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 Port Lavaca

In Port Lavaca in January, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

January Average Humidity in Port Lavaca

This chart illustrates the average monthly humidity levels in Port Lavaca, 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 Port Lavaca is approximately 78%, 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 Port Lavaca

In Port Lavaca in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Port Lavaca.

Maximum UV Index Levels in Port Lavaca for January

The chart shows the monthly maximum UV Index (UVI) for Port Lavaca 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 Port Lavaca typically reaches 5, which falls under the moderate exposure category.

Data source: Port Lavaca 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 Port Lavaca Compares to Other Months

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

This table compares monthly weather conditions in Port Lavaca, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	52 mm (2.0 inches)	78%	moderate
February Weather	15°C (60°F)	52 mm (2.1 inches)	81%	very high
March Weather	20°C (67°F)	57 mm (2.3 inches)	76%	very high
April Weather	22°C (72°F)	59 mm (2.3 inches)	79%	extreme
May Weather	26°C (79°F)	114 mm (4.5 inches)	79%	extreme
June Weather	28°C (83°F)	141 mm (5.6 inches)	74%	extreme
July Weather	29°C (84°F)	104 mm (4.1 inches)	71%	extreme
August Weather	29°C (85°F)	112 mm (4.4 inches)	68%	extreme
September Weather	27°C (81°F)	148 mm (5.8 inches)	73%	extreme
October Weather	23°C (74°F)	81 mm (3.2 inches)	75%	very high
November Weather	18°C (65°F)	61 mm (2.4 inches)	78%	high
December Weather	16°C (60°F)	64 mm (2.5 inches)	84%	moderate