May Weather in Mermentau, United States

Last updated: June 24, 2025

In Mermentau, United States, the average temperature in May hovers around 25°C (77°F), offering a pleasant climate. However, temperatures can vary widely, with a minimum of 11°C (52°F) and a scorching maximum of 36°C (97°F). Expect 170 mm (6.7 in) of precipitation over about 11 days, contributing to an average humidity level of 81%, which makes the air feel quite thick.

May Temperature in Mermentau

In May in Mermentau, 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 Mermentau: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mermentau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mermentau, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535865697781828279726057
Data source: Temperature data for Mermentau 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 Mermentau

In Mermentau in May, the precipitation amount is 170 mm (6.7 in) over the course of 11 days.

May Precipitation Trends in Mermentau

The chart displays monthly precipitation patterns in Mermentau, 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 Mermentau, May typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1101056514117014615818312611783113
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mermentau

In Mermentau 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 Mermentau

This chart illustrates the average monthly humidity levels in Mermentau, 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 Mermentau is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mermentau

In Mermentau 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 Mermentau.

Maximum UV Index Levels in Mermentau for May

The chart shows the monthly maximum UV Index (UVI) for Mermentau 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 Mermentau typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121210965
Data source: Mermentau 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 Mermentau Compares to Other Months

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

This table compares monthly weather conditions in Mermentau, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)110 mm (4.3 inches)81%moderate
February Weather15°C (59°F)104 mm (4.1 inches)81%very high
March Weather18°C (65°F)65 mm (2.6 inches)79%very high
April Weather20°C (69°F)141 mm (5.6 inches)80%extreme
May Weather25°C (77°F)170 mm (6.7 inches)81%extreme
June Weather27°C (81°F)146 mm (5.7 inches)76%extreme
July Weather28°C (83°F)158 mm (6.2 inches)73%extreme
August Weather28°C (83°F)183 mm (7.2 inches)71%extreme
September Weather26°C (80°F)126 mm (5.0 inches)72%very high
October Weather22°C (73°F)117 mm (4.6 inches)73%very high
November Weather16°C (61°F)83 mm (3.3 inches)83%high
December Weather14°C (57°F)113 mm (4.5 inches)88%moderate

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