January Weather in Opelousas, United States

Last updated: June 24, 2025

The average temperature in Opelousas, United States during January is 11°C (53°F), with a minimum dipping to -9°C (16°F) and a maximum soaring to 29°C (84°F). Expect precipitation of approximately 109 mm (4.3 in) over 9 days, while an average humidity level of 83% creates a notably damp atmosphere.

January Temperature in Opelousas

In January in Opelousas, the average temperature is 11°C (53°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -9°C (16°F). This variation makes it essential for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Opelousas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Opelousas, January typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -9°C (16°F).

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

January Precipitation in Opelousas

In Opelousas in January, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

January Precipitation Trends in Opelousas

The chart displays monthly precipitation patterns in Opelousas, 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 Opelousas, January typically receives around 109 mm (4.3 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 Opelousas

In Opelousas in January, humidity is 83%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and causing an inevitable sheen of sweat to form, which can dampen the joy of exploring your surroundings.

January Average Humidity in Opelousas

This chart illustrates the average monthly humidity levels in Opelousas, 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 Opelousas is approximately 83%, 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 Opelousas

In Opelousas 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 Opelousas.

Maximum UV Index Levels in Opelousas for January

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

Data source: Opelousas 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 Opelousas Compares to Other Months

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

This table compares monthly weather conditions in Opelousas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	109 mm (4.3 inches)	83%	moderate
February Weather	14°C (58°F)	108 mm (4.3 inches)	83%	very high
March Weather	18°C (65°F)	82 mm (3.2 inches)	80%	very high
April Weather	20°C (68°F)	155 mm (6.1 inches)	81%	extreme
May Weather	25°C (77°F)	157 mm (6.2 inches)	81%	extreme
June Weather	27°C (81°F)	148 mm (5.8 inches)	78%	extreme
July Weather	28°C (83°F)	178 mm (7.0 inches)	79%	extreme
August Weather	28°C (82°F)	170 mm (6.7 inches)	79%	extreme
September Weather	26°C (80°F)	121 mm (4.8 inches)	79%	very high
October Weather	22°C (72°F)	116 mm (4.5 inches)	77%	very high
November Weather	15°C (60°F)	78 mm (3.1 inches)	85%	high
December Weather	13°C (56°F)	113 mm (4.5 inches)	88%	moderate