Weather in St. Louis in May
In an average May, St. Louis sees a daily high around 77°F and a low around 58°F, based on 1980–2026 of local climate records.
| Average high | 77°F |
|---|---|
| Typical high range | 65°F to 86°F |
| Average low | 58°F |
| Typical low range | 47°F to 68°F |
| Average daily precipitation | 0.20 in |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
95°F
2012-05-28
Lowest
50°F
2013-05-04
Low
Highest
76°F
2011-05-31
Lowest
38°F
1989-05-07
Feels-like
Highest
119°F
2022-05-11
Lowest
30°F
1989-05-07
Humidity
Highest
20.8 g/m³
2004-05-30
Lowest
3.9 g/m³
2005-05-02
Wind
Highest
26 mph
2008-05-11
Lowest
4 mph
2025-05-13
Gust
Highest
59 mph
2008-05-11
Lowest
9 mph
2012-05-12
Precip
Wettest
10.64 in
2002
Driest
1.65 in
1987
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