Monthly climate guide
Austin weather in May
May in Austin is typically hot, with average daytime highs around 30°C (87°F) and night-time lows near 18°C (65°F). The month usually brings about 142 mm of rain (wet) and is often cloudy. Daytime highs are 3°C warmer than April and 4°C cooler than June.
What stands out in May
- Austin is usually about 2°C warmer than Dallas, 290 km away, in May.
- Temperatures are climbing — June is around 4°C warmer.
- In Austin, May is late spring.
- It's wetter than a typical month in Austin — roughly 103% more rain than average.
It's usually the wettest month of the year.
Avg high
30°C
87°F
Avg low
18°C
65°F
Rainfall
142 mm
wet
Humidity
71%
relative
Sky
56%
cloud · often cloudy
Austin weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 16°C / 61°F | 4°C / 38°F | 57 mm | 72% | 52% |
| February | 19°C / 66°F | 6°C / 43°F | 42 mm | 73% | 61% |
| March | 24°C / 74°F | 10°C / 51°F | 66 mm | 72% | 60% |
| April | 28°C / 82°F | 14°C / 57°F | 69 mm | 69% | 55% |
| May | 30°C / 87°F | 18°C / 65°F | 142 mm | 71% | 56% |
| June | 35°C / 94°F | 23°C / 73°F | 61 mm | 67% | 44% |
| July | 37°C / 98°F | 24°C / 75°F | 40 mm | 60% | 37% |
| August | 38°C / 100°F | 25°C / 76°F | 66 mm | 57% | 35% |
| September | 33°C / 92°F | 21°C / 71°F | 90 mm | 66% | 43% |
| October | 28°C / 83°F | 15°C / 60°F | 95 mm | 67% | 38% |
| November | 22°C / 71°F | 9°C / 49°F | 54 mm | 71% | 50% |
| December | 17°C / 63°F | 5°C / 42°F | 58 mm | 73% | 58% |
What to pack for May
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is May a good time to visit Austin?
Compare the months in the chart above to find your ideal window.
Best time to visit Austin →Other United States cities in May
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Austin weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/austin/may
<a href="https://weathercompare.eu/weather/usa/austin/may">Austin weather in May</a> (WeatherCompare)
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Austin in May: quick answers
Is May a good time to visit Austin?
May is one of the wetter months in Austin, with about 142 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Austin in May?
Average highs are about 30°C (87°F) and average lows about 18°C (65°F), based on 10 years of daily data.
Does it rain a lot in Austin in May?
Austin typically gets around 142 mm of rain in May — wet. It's usually the wettest month of the year.
Figures are long-term averages for the area around Austin (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.