WeatherArchive / Climate averages / Austin
Austin weather by month: climate averages
Austin averages 70°F (21°C) over the year. August is warmest, with highs around 96°F (35°C); January is coldest, with lows near 42°F (6°C). About 38 inches (968 mm) of precipitation falls on roughly 98 days a year, from 30 years of ERA5 data (1996–2025).
| Month | Avg high | Avg low | Precip. | Days ≥1 mm | Sunshine / day |
|---|---|---|---|---|---|
| January | 16.0°C | 5.8°C | 66.6 mm | 7.0 | 7.2 h |
| February | 18.1°C | 7.6°C | 68.0 mm | 8.1 | 7.3 h |
| March | 22.3°C | 11.5°C | 78.2 mm | 9.6 | 7.9 h |
| April | 26.2°C | 15.3°C | 94.4 mm | 9.3 | 9.4 h |
| May | 29.7°C | 19.8°C | 130.0 mm | 11.0 | 10.1 h |
| June | 33.0°C | 23.2°C | 84.1 mm | 9.4 | 11.7 h |
| July | 34.6°C | 24.4°C | 61.5 mm | 7.2 | 12.0 h |
| August | 35.3°C | 25.0°C | 68.6 mm | 6.3 | 11.9 h |
| September | 31.8°C | 22.1°C | 80.5 mm | 7.8 | 10.4 h |
| October | 27.1°C | 16.9°C | 92.7 mm | 7.6 | 9.0 h |
| November | 21.1°C | 11.3°C | 78.6 mm | 7.5 | 7.6 h |
| December | 17.1°C | 7.2°C | 64.9 mm | 7.2 | 6.7 h |
Record high 1996–2025: 42.4°C on 2011-08-28. Record low: -15.3°C on 2021-02-16.
Source: Open-Meteo Historical Weather API (CC BY 4.0). Values are ERA5 reanalysis model data on a ~9–25 km grid, not readings from a weather station, so a single town’s thermometer can differ by a few degrees and local showers can be missed. Grid cell 30.26, -97.69 at 157 m. For snowfall, humidity and a best-time-to-visit score, open Austin in the climate tool.
Austin weather month by month
The wettest month in Austin is May, averaging 5.1 in (130 mm); the driest is July at 2.4 in (62 mm). May has the most days with at least 1 mm of rain (about 11). July is the sunniest month, with about 12.0 hours of sunshine a day, against 6.7 hours in December. If you like average highs between 64 °F and 82 °F (18–28 °C) with few rainy days, aim for February, October and November.
Planning a particular day? See how often that date was wet or hot over 30 years with the event weather odds, or look up what the weather actually was on any past date in the historical weather archive.
Questions people ask
What is the warmest month in Austin?
August, with an average daily high of 96°F (35°C) over 1996–2025.
What is the coldest month in Austin?
January, when nights average about 42°F (6°C).
What is the rainiest month in Austin?
May has the most precipitation (about 5.1 in (130 mm)), and May has the most rainy days (about 11 days with 1 mm or more). The driest month is July.
How much sunshine does Austin get?
About 9.3 hours of bright sunshine a day averaged over the year, from 6.7 h in December to 12.0 h in July. Sunshine here is the model’s estimate of hours with direct sun, not hours of daylight.
What is the best month to visit Austin for mild weather?
By average high between 64 °F and 82 °F (18–28 °C) and the fewest rainy days: February, October, November. Prices, crowds and events are not included.