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May Weather in Port Allen, United States

Last updated: June 24, 2025

In May, the average temperature in Port Allen, United States is a pleasant 24°C (76°F). However, temperatures can vary significantly, with a minimum of 11°C (51°F) and a maximum reaching up to 35°C (95°F). Expect about 146 mm (5.7 in) of precipitation over approximately 11 days, contributing to an average humidity level of 81%. Stay prepared for a mix of warmth and moisture!

May Temperature in Port Allen

In May in Port Allen, the average temperature is a pleasant 24°C (76°F). Maximum temperatures can reach as high as 35°C (95°F), while the minimum can drop to 11°C (51°F). This diverse weather makes it an ideal time for outdoor adventures and sightseeing.

May Weather in Port Allen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Port Allen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Allen, May typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec525864687680828179725956
Data source: Temperature data for Port Allen 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 Port Allen

In Port Allen in May, the precipitation amount is 146 mm (5.7 in) spread over 11 days.

May Precipitation Trends in Port Allen

The chart displays monthly precipitation patterns in Port Allen, 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 Port Allen, May typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091148315014617318415413511185117
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Port Allen

In Port Allen in May, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

May Average Humidity in Port Allen

This chart illustrates the average monthly humidity levels in Port Allen, 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 Port Allen 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 Port Allen

In Port Allen 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 Port Allen.

Maximum UV Index Levels in Port Allen for May

The chart shows the monthly maximum UV Index (UVI) for Port Allen 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 Port Allen typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110965
Data source: Port Allen 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 Port Allen Compares to Other Months

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

This table compares monthly weather conditions in Port Allen, 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)114 mm (4.5 inches)83%very high
March Weather18°C (64°F)83 mm (3.3 inches)80%very high
April Weather20°C (68°F)150 mm (5.9 inches)81%extreme
May Weather24°C (76°F)146 mm (5.7 inches)81%extreme
June Weather27°C (81°F)173 mm (6.8 inches)78%extreme
July Weather28°C (82°F)184 mm (7.2 inches)79%extreme
August Weather27°C (82°F)154 mm (6.1 inches)79%extreme
September Weather26°C (79°F)135 mm (5.3 inches)79%very high
October Weather22°C (72°F)111 mm (4.4 inches)77%very high
November Weather15°C (59°F)84 mm (3.3 inches)85%high
December Weather13°C (56°F)117 mm (4.6 inches)88%moderate

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