Austin month by month
Plan your visit to Austin by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
Austin's measured year splits along heat. Average highs range from 16°C in January to 36°C in August. March reaches 24°C, April 27°C, May 30°C. April and May are also the wettest months at 13 and 15 rain days. June through August holds between 34°C and 36°C with 10 to 11 rain days. September and October are the driest at 6 rain days each, at 33°C and 29°C. January, February, November, and December share 8 rain days, with highs between 16°C and 22°C.
TTDI publishes 12 month guides beneath this index. If you want warmth without the summer ceiling, open March at 24°C or October at 29°C. For the driest window, September and October share 6 rain days each. Give April and May a close read if rain shapes your plans, since April logs 13 rain days and May 15. June through August reads as one block above 34°C.
August at 36°C is Austin's hottest measured month, and May at 15 rain days is the wettest.
August's 36°C average high and 11 rain days make it Austin's most extreme month, against January's 16°C at the opposite end.
- January
- High
- 16°C
- Low
- 5°C
- Rain
- 88 mm
January in Austin is, above all else, cedar fever season. Ashe juniper trees across the Hill Country release thick clouds of pollen starting in late December, and January is when…
- February
- High
- 18°C
- Low
- 6°C
- Rain
- 60 mm
February in Austin is defined by unpredictability. The city has mostly shaken off the worst of cedar fever season (Ashe juniper pollen peaks in late December through January),…
- March
- High
- 24°C
- Low
- 12°C
- Rain
- 75 mm
March in Austin means one thing above all else. SXSW. South by Southwest runs for roughly 10 days in mid-March, and the festival draws an estimated 300,000 extra visitors into a…
- April
- High
- 27°C
- Low
- 16°C
- Rain
- 131 mm
April in Austin is wildflower month. The Texas Hill Country bluebonnets hit full bloom in the first two to three weeks, and the roadsides along Highway 290 West and FM 1431 near…
- May
- High
- 30°C
- Low
- 20°C
- Rain
- 213 mm
May in Austin is defined by two forces pulling in opposite directions. The temperatures sit at 30°C (86°F) during the day and 20°C (68°F) at night, which is genuinely pleasant…
- June
- High
- 34°C
- Low
- 24°C
- Rain
- 106 mm
June in Austin is hot. Not metaphorically, not "warm with a breeze." The average high sits at 33.9°C (93°F), humidity hovers around 70%, and by mid-afternoon the pavement on South…
- July
- High
- 35°C
- Low
- 25°C
- Rain
- 122 mm
July in Austin means heat. Not the dry, bearable kind you might find in the mountain West, but a sticky 35°C (95°F) that wraps around you the moment you step outside and barely…
- August
- High
- 36°C
- Low
- 25°C
- Rain
- 107 mm
August in Austin is hot. Not pleasantly warm, not a dry heat you can shrug off. The average high sits at 36°C (97°F), but the thermometer regularly crosses 38°C (100°F) for…
- September
- High
- 33°C
- Low
- 23°C
- Rain
- 58 mm
September in Austin still feels like summer. That is the first thing you need to know. Daytime highs average 33.4°C (92°F), and while locals will tell you the heat is "almost…
- October
- High
- 29°C
- Low
- 18°C
- Rain
- 97 mm
October is when Austin becomes livable again. After 4 straight months of highs above 33°C (91°F), the average drops to 29°C (84°F), and mornings settle around 18°C (64°F). The…
- November
- High
- 22°C
- Low
- 12°C
- Rain
- 83 mm
November is when Austin's 5-month summer finally lets go. Daytime highs settle around 22°C (71°F), down from August's 36°C (97°F), and the relief reshapes the entire city. Lady…
- December
- High
- 19°C
- Low
- 10°C
- Rain
- 51 mm
December in Austin tends to feel like a reward for surviving the summer. Daytime highs hover around 19°C (67°F), and nights drop to roughly 10°C (49°F), which by Texas standards…