May Weather in Opelousas, United States

Last updated: June 24, 2025

In May, the average temperature in Opelousas, United States is a pleasant 25°C (77°F). Expect temperatures to vary, with a minimum of 11°C (52°F) and a maximum of 36°C (97°F). The weather is characterized by 81% average humidity and 157 mm (6.2 in) of precipitation spread over 11 days, ensuring a refreshing and vibrant atmosphere throughout the month.

May Temperature in Opelousas

In May in Opelousas, the average temperature is 25°C (77°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 11°C (52°F). This range makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (52°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.

May Precipitation in Opelousas

In Opelousas in May, the precipitation amount is 157 mm (6.2 in) over a span of 11 days.

May Precipitation Trends in Opelousas

The chart displays monthly precipitation patterns in Opelousas, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Opelousas, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091088215515714817817012111678113
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Opelousas

In Opelousas in May, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in Opelousas

This chart illustrates the average monthly humidity levels in Opelousas, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Opelousas is approximately 81%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Opelousas

In Opelousas in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Opelousas.

Maximum UV Index Levels in Opelousas for May

The chart shows the monthly maximum UV Index (UVI) for Opelousas in May, 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 May, the maximum UV index in Opelousas typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121210965
Data source: Opelousas May 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 May 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 May’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 May’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

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