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August Weather in Opelousas, United States

Last updated: June 24, 2025

In Opelousas, United States, the average temperature in August reaches a warm 28°C (82°F). Expect lows around 19°C (67°F) and peaks soaring up to 37°C (100°F). During this time, the area experiences significant moisture, with about 170 mm (6.7 in) of precipitation spread over 19 days. The humidity often remains high, averaging at 79%, creating a tropical feel to the atmosphere.

August Temperature in Opelousas

In August in Opelousas, the average temperature is 28°C (82°F). Maximums can reach 37°C (100°F) and minimums can be as low as 19°C (67°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates August 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, August typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (100°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec535864687681828279726056
Data source: Temperature data for Opelousas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Opelousas

In Opelousas in August, the precipitation amount is 170 mm (6.7 in) over the course of 19 days.

August Precipitation Trends in Opelousas

The chart displays monthly precipitation patterns in Opelousas, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Opelousas, August typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091088215515714817817012111678113
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Opelousas

In Opelousas in August humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

August Average Humidity in Opelousas

This chart illustrates the average monthly humidity levels in Opelousas, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Opelousas is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Opelousas

In Opelousas in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Opelousas.

Maximum UV Index Levels in Opelousas for August

The chart shows the monthly maximum UV Index (UVI) for Opelousas in August, 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 August, the maximum UV index in Opelousas typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121210965
Data source: Opelousas August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)109 mm (4.3 inches)83%moderate
February Weather14°C (58°F)108 mm (4.3 inches)83%very high
March Weather18°C (65°F)82 mm (3.2 inches)80%very high
April Weather20°C (68°F)155 mm (6.1 inches)81%extreme
May Weather25°C (77°F)157 mm (6.2 inches)81%extreme
June Weather27°C (81°F)148 mm (5.8 inches)78%extreme
July Weather28°C (83°F)178 mm (7.0 inches)79%extreme
August Weather28°C (82°F)170 mm (6.7 inches)79%extreme
September Weather26°C (80°F)121 mm (4.8 inches)79%very high
October Weather22°C (72°F)116 mm (4.5 inches)77%very high
November Weather15°C (60°F)78 mm (3.1 inches)85%high
December Weather13°C (56°F)113 mm (4.5 inches)88%moderate

Compare Opelousas's Climate with Cities Worldwide