Opelousas (LA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Opelousas.
Climate overview of Opelousas
Temperatures in Opelousas, Louisiana, United States of America, vary greatly throughout the year. August is the hottest month at 34°C (93°F), while January is the coldest at 17°C (63°F).
The city has a wet climate, receiving around 1631 mm (64 in) of rainfall per year. Despite the high annual total, it has very warm summers and mild winters. January is the wettest month.
Opelousas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Opelousas - and find the best time to visit.
Monthly Temperature in Opelousas
The climate in Opelousas is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 34°C (93°F) in August to a moderate 17°C (63°F) in January.
Nighttime temperatures range from 23°C (73°F) in August to 5°C (41°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Opelousas
Opelousas has a notably wet climate with abundant precipitation, recording 1631 mm (64 in) of rainfall per year. The wettest period in Opelousas occurs in January, which receives around 165 mm (6.5 in) of precipitation. During the driest month, November, Opelousas experiences high rainfall, totaling 108 mm (4.3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Opelousas Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Opelousas
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, October and November
- Warmest weather: June, July and August
- Fewest rainy days: March, April, October and November
- Seasonal pattern: Very warm summers and mild winters
Frequently asked questions about the climate in Opelousas
What is the best time to visit Opelousas?
March, April, October and November typically offer the most optimal weather in Opelousas. In contrast, June, July and August tend to have less optimal conditions. Opelousas has very warm summers and mild winters.
What temperatures can I expect in Opelousas?
Daytime highs range from 17°C (63°F) in January to 34°C (93°F) in August. Nighttime lows range from 5°C (41°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Opelousas get?
Annual rainfall is around 1631 mm (64 in). January is the wettest month with 165 mm (6.5 in), while November is the driest with 108 mm (4.3 in).
Opelousas 3-Day Forecast
Opelousas on the map
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