Austin, TX Climate & Monthly Averages

Texas, United States 🇺🇸 · humid subtropical climate
Annual avg
70°
Hottest month
August
Coldest month
January
Rainy days / yr
120
Sunshine
9.0 h/day
Right now: 74° and clear - see live conditions

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

Monthly averages for Austin based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 61° 42° 9 2.9 in 7.3 h/day 10.4 h 28% 67%
February 65° 46° 9 3.2 in 6.9 h/day 11.1 h 33% 69%
March 73° 54° 10 3.3 in 7.7 h/day 11.9 h 34% 69%
April 79° 60° 12 5.2 in 8.7 h/day 12.9 h 41% 69%
May 85° 68° 16 7.6 in 9.3 h/day 13.7 h 50% 75%
June 91° 74° 11 4.1 in 11.3 h/day 14.1 h 37% 71%
July 95° 77° 8 2.5 in 12.1 h/day 13.9 h 27% 64%
August 96° 78° 8 4.7 in 11.5 h/day 13.2 h 27% 62%
September 90° 73° 9 4.1 in 10.2 h/day 12.3 h 31% 66%
October 82° 63° 9 4.4 in 9.0 h/day 11.4 h 28% 63%
November 70° 53° 9 3.3 in 7.1 h/day 10.6 h 31% 71%
December 65° 47° 8 3.4 in 6.6 h/day 10.2 h 27% 71%

Austin month by month

Average high and low for each month, with the bar showing where it sits in Austin's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
61°42°
Rain
9 days
Sunshine
7.3 h
Daylight
10.4 h

February

65°46°
Rain
9 days
Sunshine
6.9 h
Daylight
11.1 h

March

73°54°
Rain
10 days
Sunshine
7.7 h
Daylight
11.9 h

April

79°60°
Rain
12 days
Sunshine
8.7 h
Daylight
12.9 h

May

Wettest
85°68°
Rain
16 days
Sunshine
9.3 h
Daylight
13.7 h

June

91°74°
Rain
11 days
Sunshine
11.3 h
Daylight
14.1 h

July

DriestSunniest
95°77°
Rain
8 days
Sunshine
12.1 h
Daylight
13.9 h

August

Hottest
96°78°
Rain
8 days
Sunshine
11.5 h
Daylight
13.2 h

September

90°73°
Rain
9 days
Sunshine
10.2 h
Daylight
12.3 h

October

82°63°
Rain
9 days
Sunshine
9.0 h
Daylight
11.4 h

November

70°53°
Rain
9 days
Sunshine
7.1 h
Daylight
10.6 h

December

65°47°
Rain
8 days
Sunshine
6.6 h
Daylight
10.2 h

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

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?
Average highs hold at 30°C or above for 4 months of the year. Outside that, January pulls back to 61°F (16°C).
How sunny is Austin?
9.0 hours a day averaged over the year, peaking in July at 12.1 hours.
What is the average temperature in Austin?
70°F (21°C) across all twelve months - about 79°F (26°C) by day and 61°F (16°C) after dark.
How cold does Austin get in winter?
January nights average 42°F (6°C). Chilly rather than harsh - hard freezes are uncommon.

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)

Highest recorded
107°
in August
Lowest recorded
4°
in February
Annual precipitation
48.7"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.