Austin, TX Climate & Monthly Averages
The climate of Austin
Austin records 120 wet days and 9.0 hours of daily sunshine in an average year. Temperatures follow a humid subtropical pattern, running 61°F (16°C) in January up to 96°F (36°C) in August.
Climate quick facts
- Hottest month: August - highs near 96°F (36°C)
- Coldest month: January - highs near 61°F (16°C)
- Decade extremes (2015-2024): 107°F (42°C) high · 4°F (-15°C) low
- Wettest month: May (16 rainy days) · Sunniest: July (12.1 h sun/day)
- Climate type: humid subtropical
- Annual swing: 20°C between the average warmest and coolest month · day to night: 10°C
- Months averaging 30°C or hotter: 4
- Average humidity: 68%
Temperatures through the year
At its warmest, in August, Austin runs to 96°F (36°C) in the afternoon and back to 78°F (25°C) by dawn. January sits at the other end of the year: 61°F (16°C) by day, 42°F (6°C) at night. Sunshine averages 9.0 hours a day over the year, peaking in July at 12.1 hours.
Rain, sun and snow
The wettest month is May (7.6 inches (194 mm) across 16 days) and the driest July. Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through March. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 107°F (42°C) and the lowest daily minimum 4°F (-15°C).
How Austin compares
- Austin sits close to the middle of our dataset on most measures: 70°F (21°C) as an annual average, 48.7 inches (1238 mm) of precipitation and 9.0 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 61° | 42° | 9 | 2.9 in | 7.3 h/day | 67% |
| February | 65° | 46° | 9 | 3.2 in | 6.9 h/day | 69% |
| March | 73° | 54° | 10 | 3.3 in | 7.7 h/day | 69% |
| April | 79° | 60° | 12 | 5.2 in | 8.7 h/day | 69% |
| May | 85° | 68° | 16 | 7.6 in | 9.3 h/day | 75% |
| June | 91° | 74° | 11 | 4.1 in | 11.3 h/day | 71% |
| July | 95° | 77° | 8 | 2.5 in | 12.1 h/day | 64% |
| August | 96° | 78° | 8 | 4.7 in | 11.5 h/day | 62% |
| September | 90° | 73° | 9 | 4.1 in | 10.2 h/day | 66% |
| October | 82° | 63° | 9 | 4.4 in | 9.0 h/day | 63% |
| November | 70° | 53° | 9 | 3.3 in | 7.1 h/day | 71% |
| December | 65° | 47° | 8 | 3.4 in | 6.6 h/day | 71% |
Austin month by month
Austin weather in January
January brings highs around 61°F (16°C), lows near 42°F (6°C), about 9 wet days - typically the coldest month of the year in Austin.
Austin weather in February
February brings highs around 65°F (18°C), lows near 46°F (8°C), about 9 wet days.
Austin weather in March
March brings highs around 73°F (23°C), lows near 54°F (12°C), about 10 wet days.
Austin weather in April
April brings highs around 79°F (26°C), lows near 60°F (15°C), about 12 wet days.
Austin weather in May
May brings highs around 85°F (29°C), lows near 68°F (20°C), about 16 wet days - typically the wettest month of the year in Austin.
Austin weather in June
June brings highs around 91°F (33°C), lows near 74°F (23°C), about 11 wet days.
Austin weather in July
July brings highs around 95°F (35°C), lows near 77°F (25°C), about 8 wet days - typically the driest month and the sunniest month of the year in Austin.
Austin weather in August
August brings highs around 96°F (36°C), lows near 78°F (25°C), about 8 wet days - typically the hottest month of the year in Austin.
Austin weather in September
September brings highs around 90°F (32°C), lows near 73°F (23°C), about 9 wet days.
Austin weather in October
October brings highs around 82°F (28°C), lows near 63°F (17°C), about 9 wet days.
Austin weather in November
November brings highs around 70°F (21°C), lows near 53°F (12°C), about 9 wet days.
Austin weather in December
December brings highs around 65°F (18°C), lows near 47°F (8°C), about 8 wet days.
Seasons in Austin
Spring (March through May)
Spring brings comfortable warmth here - highs near 79°F (26°C), nights near 60°F (16°C), and rain falls on around 38 of the 90 days.
Summer (June through August)
Summer in Austin brings serious heat, with daytime highs averaging 94°F (35°C) and nights around 76°F (24°C); expect showers on roughly 28 days across the season. Daylight is generous - around 11.6 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Fall brings hot afternoons here - highs near 81°F (27°C), nights near 63°F (17°C), and expect showers on roughly 27 days across the season.
Winter (December through February)
Through winter, Austin is crisp but comfortable: 63°F (17°C) by day, 45°F (7°C) after dark, and expect showers on roughly 26 days across the season.
Climate questions, answered
How long does summer last in Austin?
How sunny is Austin?
What is the average temperature in Austin?
How cold does Austin get in winter?
Best time to visit Austin
Aim for October to March if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 69°F (21°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in October.
Pack for Austin with lightweight, breathable clothing and serious sun protection and a compact umbrella or rain shell. August nights average 78°F (25°C), so evenings rarely match the afternoons.
Austin temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.