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May Weather in Lafayette, United States

Last updated: June 24, 2025

In May, the average temperature in Lafayette, United States hovers around 21°C (70°F), making it a pleasant time to visit. However, be prepared for a temperature range with lows of 2°C (35°F) and highs reaching 35°C (95°F). Visitors should also anticipate around 130 mm (5.1 in) of precipitation spread over 13 days, contributing to an average humidity of 82%.

May Temperature in Lafayette

In May in Lafayette, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 2°C (35°F). This diverse range makes it ideal for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Lafayette, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lafayette, May typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec404552586976797773634844
Data source: Temperature data for Lafayette 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 Lafayette

In Lafayette in May, the precipitation amount is 130 mm (5.1 in) spread over 13 days.

May Precipitation Trends in Lafayette

The chart displays monthly precipitation patterns in Lafayette, 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 Lafayette, May typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec11019716515513016413213412915092154
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lafayette

In Lafayette in May, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

May Average Humidity in Lafayette

This chart illustrates the average monthly humidity levels in Lafayette, 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 Lafayette is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lafayette

In Lafayette in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Lafayette.

Maximum UV Index Levels in Lafayette for May

The chart shows the monthly maximum UV Index (UVI) for Lafayette 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 Lafayette typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Lafayette 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 Lafayette Compares to Other Months

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

This table compares monthly weather conditions in Lafayette, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)110 mm (4.3 inches)87%moderate
February Weather7°C (45°F)197 mm (7.7 inches)86%high
March Weather11°C (52°F)165 mm (6.5 inches)86%high
April Weather15°C (59°F)154 mm (6.1 inches)82%very high
May Weather21°C (70°F)130 mm (5.1 inches)82%very high
June Weather24°C (76°F)164 mm (6.5 inches)83%extreme
July Weather26°C (80°F)132 mm (5.2 inches)80%extreme
August Weather25°C (78°F)134 mm (5.3 inches)74%very high
September Weather23°C (73°F)129 mm (5.1 inches)71%very high
October Weather17°C (63°F)150 mm (5.9 inches)78%high
November Weather9°C (48°F)92 mm (3.6 inches)88%moderate
December Weather7°C (45°F)154 mm (6.1 inches)88%moderate

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