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May Weather in Austin, United States

Last updated: June 24, 2025

In May, the average temperature in Austin, United States hovers around 19°C (67°F), offering a pleasant climate. However, temperatures can vary widely, with a minimum of 0°C (32°F) and a maximum reaching 33°C (91°F). Expect an average precipitation of 127 mm (5.0 in) spread over 14 days, contributing to a relatively high average humidity of 79%. Prepare accordingly for a mix of weather throughout the month!

May Temperature in Austin

In May in Austin, the average temperature is 19°C (67°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 0°C (32°F). This weather makes Austin a great destination for travelers seeking a diverse climate experience.

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

The chart illustrates May temperature patterns in Austin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Austin, May typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec343847556775787671604440
Data source: Temperature data for Austin 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 Austin

In Austin in May, the total precipitation amount is 127 mm (5.0 in), occurring over the course of 14 days.

May Precipitation Trends in Austin

The chart displays monthly precipitation patterns in Austin, 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 Austin, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec831141361341271379396959795102
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Austin

In Austin in May, humidity is 79%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as the air is thick and can leave you feeling sluggish during outdoor adventures.

May Average Humidity in Austin

This chart illustrates the average monthly humidity levels in Austin, 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 Austin is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Austin

In Austin 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 Austin.

Maximum UV Index Levels in Austin for May

The chart shows the monthly maximum UV Index (UVI) for Austin 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 Austin typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Austin 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 Austin Compares to Other Months

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

This table compares monthly weather conditions in Austin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)83 mm (3.3 inches)87%moderate
February Weather3°C (38°F)114 mm (4.5 inches)85%moderate
March Weather8°C (47°F)136 mm (5.4 inches)86%high
April Weather13°C (55°F)133 mm (5.3 inches)84%very high
May Weather19°C (67°F)127 mm (5.0 inches)79%very high
June Weather24°C (75°F)136 mm (5.4 inches)82%extreme
July Weather26°C (78°F)92 mm (3.6 inches)79%very high
August Weather24°C (76°F)95 mm (3.8 inches)70%very high
September Weather22°C (72°F)95 mm (3.7 inches)69%very high
October Weather15°C (60°F)97 mm (3.8 inches)76%high
November Weather7°C (45°F)94 mm (3.7 inches)88%moderate
December Weather4°C (40°F)102 mm (4.0 inches)87%moderate

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