Austin weather

Our guide to the weather in Austin during May

29

Average high

6

UV Index

174mm

Monthly rainfall

75%

Humidity

We've looked at the most up-to-date weather data for Austin, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Austin weather in May.

How warm is it in Austin during May?

The temperature reaches around 29℃ during the daytime in May, falling away to 19℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Austin during May?

May is typically the wettest month in Austin. On average, there will be 9 rainy days during the month, amounting to 173.7mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.

Is it windy in Austin during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

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Weather in Austin

Our month-by-month guide to the weather and climate in Austin

15.6

Austin weather in

January
17.0

Austin weather in

February
21.9

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March
25.6

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April
29.4

Austin weather in

May
33.5

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June
35.5

Austin weather in

July
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August
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September
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October
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November
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December