Austin weather in May: Austin, Texas: normal highs, lows, rain and records for May
Austin in May has a normal high of 87°F and a normal low of 67°F, a daily mean of 77°F, rising from 83°F on the 1st to 91°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 5.04 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 19°C, 128 mm of precipitation in May.
- NOAA stationAustin-Camp Mabry
- Station IDUSW00013958
- Location30.32°N 97.76°W
- Elevation670 ft (204 m)
- From the center2 miles
- Population993,588
- Jan 63° 42°
- Feb 67° 46°
- Mar 73° 52°
- Apr 80° 59°
- May 87° 67°
- Jun 93° 73°
- Jul 97° 75°
- Aug 98° 75°
- Sep 91° 70°
- Oct 83° 61°
- Nov 72° 51°
- Dec 64° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Austin in May?
The normal high is 87°F and the normal low 67°F, for a daily mean of 76.8°F. May is 7.2°F warmer than April and 6.2°F cooler than June. May is the 5th warmest month of the year in Austin and the wettest. Across the month the normal high rises 8°F, from 83°F on May 1 to 91°F on May 31. From one year to the next May's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Mays in three average between 75°F and 79°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 83°F | 63°F | 26% | 14% |
| May 8 | 85°F | 65°F | 27% | 16% |
| May 15 | 87°F | 67°F | 28% | 17% |
| May 22 | 89°F | 69°F | 27% | 18% |
| May 31 | 91°F | 71°F | 26% | 18% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 83°F | 63°F | 26% | 14% | 13 h 20 min |
| May 2 | 83°F | 63°F | 26% | 15% | 13 h 20 min |
| May 3 | 84°F | 63°F | 26% | 15% | 13 h 20 min |
| May 4 | 84°F | 64°F | 27% | 15% | 13 h 20 min |
| May 5 | 84°F | 64°F | 27% | 15% | 13 h 30 min |
| May 6 | 84°F | 64°F | 27% | 15% | 13 h 30 min |
| May 7 | 85°F | 64°F | 27% | 16% | 13 h 30 min |
| May 8 | 85°F | 65°F | 27% | 16% | 13 h 30 min |
| May 9 | 85°F | 65°F | 27% | 16% | 13 h 30 min |
| May 10 | 85°F | 65°F | 27% | 16% | 13 h 30 min |
| May 11 | 86°F | 66°F | 27% | 16% | 13 h 30 min |
| May 12 | 86°F | 66°F | 28% | 17% | 13 h 40 min |
| May 13 | 86°F | 66°F | 28% | 17% | 13 h 40 min |
| May 14 | 86°F | 66°F | 28% | 17% | 13 h 40 min |
| May 15 | 87°F | 67°F | 28% | 17% | 13 h 40 min |
| May 16 | 87°F | 67°F | 28% | 17% | 13 h 40 min |
| May 17 | 87°F | 67°F | 27% | 17% | 13 h 40 min |
| May 18 | 87°F | 67°F | 27% | 17% | 13 h 40 min |
| May 19 | 88°F | 68°F | 27% | 17% | 13 h 40 min |
| May 20 | 88°F | 68°F | 27% | 17% | 13 h 50 min |
| May 21 | 88°F | 68°F | 27% | 18% | 13 h 50 min |
| May 22 | 89°F | 69°F | 27% | 18% | 13 h 50 min |
| May 23 | 89°F | 69°F | 27% | 18% | 13 h 50 min |
| May 24 | 89°F | 69°F | 27% | 18% | 13 h 50 min |
| May 25 | 89°F | 69°F | 27% | 18% | 13 h 50 min |
| May 26 | 90°F | 70°F | 27% | 18% | 13 h 50 min |
| May 27 | 90°F | 70°F | 27% | 18% | 13 h 50 min |
| May 28 | 90°F | 70°F | 27% | 18% | 13 h 50 min |
| May 29 | 90°F | 70°F | 27% | 18% | 14 h |
| May 30 | 91°F | 70°F | 27% | 18% | 14 h |
| May 31 | 91°F | 71°F | 26% | 18% | 14 h |
- Normal high
- 87°FMay average
- Normal low
- 67°FMay average
- Precipitation
- 5.04 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 13 h 20 min to 14 hMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013958; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Austin in May?
On a given May day the chance of 0.01 inch or more is 27% on average, highest around May 12 (28%). In all, 5.04 in falls on 9 days of a normal May, 2 of them with an inch or more.
In a normal May in Austin, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013958.
What are the records for May in Austin?
The warmest May temperature on Austin's official record (since 1897) is 104°F, on May 24, 1925; the coldest is 40°F, on May 1, 1925. The wettest May brought 17.59 in (2015).
The May mean against the 1991-2020 normal of 76.8°F: 2021 75.1°F (−1.7), 2022 82.3°F (+5.5), 2023 77.0°F (+0.2), 2024 80.0°F (+3.2), 2025 79.3°F (+2.5), 2026 75.1°F (−1.7). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.1°F | −1.7°F | 7.23 in |
| 2022 | 82.3°F | +5.5°F | 2.03 in |
| 2023 | 77.0°F | +0.2°F | 4.30 in |
| 2024 | 80.0°F | +3.2°F | 6.20 in |
| 2025 | 79.3°F | +2.5°F | 6.59 in |
| 2026 | 75.1°F | −1.7°F | 4.54 in |
Source: records: ACIS, NWS threaded record ATTthr; recent months: ACIS, station USW00013958. Records and recent months use complete months only.
How does May in Austin compare across Texas?
Across the 321 places PlainClimate covers in Texas, May normal highs run from 78°F in Hartley to 98°F in Terlingua; Austin's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.