St. Louis weather records
Record high and low temperatures for St. Louis, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 106°F on 2012-06-28; its coldest fell to -15°F on 1989-12-22.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 72°F1989-01-31
3°F1985-01-20
|
62°F2013-01-29
-15°F1985-01-20
|
| February | 82°F2024-02-27
5°F2021-02-15
|
61°F2024-02-27
-11°F1996-02-03
|
| March | 92°F2026-03-26
19°F2019-03-04
|
69°F1991-03-27
-4°F1980-03-02
|
| April | 92°F1989-04-26
35°F1982-04-08
|
71°F2001-04-07
24°F2007-04-07
|
| May | 95°F2012-05-28
50°F2013-05-04
|
76°F2011-05-31
38°F1989-05-07
|
| June | 106°F2012-06-28
62°F2003-06-03
|
83°F2016-06-23
49°F1993-06-01
|
| July | 106°F2012-07-25
65°F1990-07-14
|
84°F2012-07-26
54°F2014-07-29
|
| August | 103°F2013-08-31
68°F2004-08-12
|
81°F1980-08-02
47°F1986-08-29
|
| September | 100°F1990-09-06
54°F1984-09-27
|
77°F2011-09-01
36°F1983-09-23
|
| October | 93°F2006-10-03
38°F1993-10-30
|
74°F1986-10-03
26°F1981-10-24
|
| November | 82°F2016-11-01
24°F2019-11-12
|
65°F2024-11-04
2°F1991-11-08
|
| December | 73°F2021-12-03
-1°F1989-12-22
|
64°F1982-12-02
-15°F1989-12-22
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 82°F2024-02-27
-1°F1989-12-22
|
64°F1982-12-02
-15°F1989-12-22
|
| Spring (Mar–May) | 95°F2012-05-28
19°F2019-03-04
|
76°F2011-05-31
-4°F1980-03-02
|
| Summer (Jun–Aug) | 106°F2012-06-28
62°F2003-06-03
|
84°F2012-07-26
47°F1986-08-29
|
| Autumn (Sep–Nov) | 100°F1990-09-06
24°F2019-11-12
|
77°F2011-09-01
2°F1991-11-08
|
All-time records
The most extreme value St. Louis has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.