Verdict: Excellent month
Austin Weather in January
January is mild-to-cool in Austin, topping out near 17°C (63°F) — comfortable with a layer on. Rain is occasional — about 8 wet days in a typical year. Overall, January is one of the best months of the year to be in Austin.
Average high
17°C / 63°F
Average low
6°C / 43°F
Rain days
~8
Precipitation
91 mm
What to pack for Austin in January
- Layers — t-shirts under a light jacket or sweater
- Evenings turn genuinely cool — pack a warm layer for after dark
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
January against the rest of the year
Warmest in Austin: Aug (36°C / 97°F) · Coolest: Jan (17°C / 63°F) · Wettest: May (~15 rain days)
17°
6°
Jan
18°
6°
Feb
24°
13°
Mar
26°
16°
Apr
30°
20°
May
34°
23°
Jun
35°
25°
Jul
36°
25°
Aug
33°
22°
Sep
28°
17°
Oct
22°
12°
Nov
19°
9°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)