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May Weather in Lavaca, United States

Last updated: June 24, 2025

In Lavaca, United States, the average temperature in May typically hovers around 21°C (71°F). The climate can be quite varied, with minimums dropping to 6°C (43°F) and highs soaring up to 34°C (94°F). Prepare for some rain, as precipitation averages 201 mm (7.9 in) over about 13 days throughout the month. Expect a humid atmosphere with average humidity levels at 82%, making for a warm and steamy experience!

May Temperature in Lavaca

In May in Lavaca, the average temperature is 21°C (71°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 6°C (43°F). This diverse temperature range makes it a great destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Lavaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lavaca, May typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec414555617179828077645146
Data source: Temperature data for Lavaca 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 Lavaca

In Lavaca in May, the precipitation amount is 201 mm (7.9 in) over a period of 13 days.

May Precipitation Trends in Lavaca

The chart displays monthly precipitation patterns in Lavaca, 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 Lavaca, May typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec811161261452019885121621227388
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lavaca

In Lavaca in May humidity is 82%. With an average temperature of 21°C (71°F), this humidity feels like a warm, muggy embrace that can make traveling feel sticky and exhausting, urging you to seek shade and hydration as you explore the vibrant surroundings.

May Average Humidity in Lavaca

This chart illustrates the average monthly humidity levels in Lavaca, 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 Lavaca is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lavaca

In Lavaca 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 Lavaca.

Maximum UV Index Levels in Lavaca for May

The chart shows the monthly maximum UV Index (UVI) for Lavaca 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 Lavaca typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109754
Data source: Lavaca 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 Lavaca Compares to Other Months

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

This table compares monthly weather conditions in Lavaca, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)81 mm (3.2 inches)82%moderate
February Weather7°C (45°F)116 mm (4.6 inches)79%high
March Weather13°C (55°F)126 mm (4.9 inches)77%high
April Weather16°C (61°F)145 mm (5.7 inches)78%very high
May Weather21°C (71°F)201 mm (7.9 inches)82%extreme
June Weather26°C (79°F)98 mm (3.9 inches)81%extreme
July Weather28°C (83°F)85 mm (3.4 inches)75%extreme
August Weather27°C (81°F)121 mm (4.8 inches)61%very high
September Weather25°C (77°F)62 mm (2.4 inches)59%very high
October Weather18°C (64°F)122 mm (4.8 inches)69%high
November Weather11°C (51°F)73 mm (2.9 inches)82%moderate
December Weather8°C (47°F)88 mm (3.5 inches)87%moderate

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