Weather · Saint Louis, United States
Saint Louis Weather in August
Expect warm, some rain in Saint Louis through August: highs near 28°C, lows around 17°C, 100mm of rain across the month. It's a reasonable time to visit.
Avg high
28°C
82°F
Avg low
17°C
63°F
Rainfall
100mm
#1 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Saint Louis builds it around the season for you.