Austin averages 117.3 days a year above 90°F, with May the wettest month at 5.04 in of normal rain. The hottest day on record was 112°F on Sep 5, 2000; the coldest, 4°F on Dec 23, 1989. The single biggest 24-hour rain event recorded was 7.55 in on Nov 15, 2001.
Climate and Average Weather Year Round in Austin
Year-round temperature
In Austin, the warmest months are June through September, with average daily highs between 91°F and 98°F. The coldest stretch runs December through February, with highs between 63°F and 67°F and overnight lows reaching 42°F.
Rainfall through the year
Rainfall in Austin averages 3.0 in per month over the long run. May is the wettest at 5.0 in, while February is the driest at 1.9 in.
Days at 90 °F or hotter
Austin averages 117.3 days per year at 90 °F or hotter. The hottest year on record saw 164 such days (2011); the coolest just 19 (2026).
Precipitation this year
As of May 28, Austin has received 11.6 in of precipitation this year — 19% below the long-term normal for this point in the year (14.4 in).