Climate of St. Louis, Missouri, USA
Point-value climate at St. Louis (Missouri, United States of America). Population approximately 2,199,000.
Located in Missouri, United States of America, St. Louis has a strongly continental climate. Population approximately 2,199,000. Monthly average temperatures range from -1.5°C / 29.3°F in January to 26.5°C / 79.7°F in July, with rainfall varying from 51 mm / 2 in (January) to 103 mm / 4.1 in (May) — about 978 mm / 38.5 in across the year. These are point-value climate normals sampled at St. Louis's coordinates — often quite different from the surrounding region's area-weighted average.
Best time to visit St. Louis →
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -1.5°C29.3°F | 51 mm2″ | Snowy |
| February | 1.7°C35.1°F | 56 mm2.2″ | Snowy |
| March | 7.5°C45.5°F | 89 mm3.5″ | — |
| April | 13.6°C56.5°F | 94 mm3.7″ | — |
| May | 19.3°C66.7°F | 103 mm4.1″ | — |
| June | 24.3°C75.7°F | 93 mm3.7″ | — |
| July | 26.5°C79.7°F | 95 mm3.7″ | — |
| August | 25.4°C77.7°F | 82 mm3.2″ | — |
| September | 21.3°C70.3°F | 82 mm3.2″ | — |
| October | 14.7°C58.5°F | 70 mm2.8″ | — |
| November | 7.5°C45.5°F | 87 mm3.4″ | — |
| December | 1.4°C34.5°F | 76 mm3″ | Snowy |
Frequently asked questions
What is the best time to visit St. Louis?
St. Louis does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. St. Louis's warmest month is July at an average of 26.5°C / 79.7°F, and its driest month is January with about 51 mm / 2 in of rain.
What is the climate of St. Louis?
St. Louis, in Missouri, United States of America, has monthly average temperatures ranging from -1.5°C / 29.3°F in January to 26.5°C / 79.7°F in July. Annual rainfall is approximately 978 mm / 38.5 in, with the wettest month being May (103 mm / 4.1 in) and the driest January (51 mm / 2 in).
What is the average temperature in St. Louis in July?
The average temperature in St. Louis in July is 26.5°C / 79.7°F, with rainfall of about 95 mm / 3.7 in — the warmest month of the year.
When is the driest month in St. Louis?
The driest month in St. Louis is January, with about 51 mm / 2 in of average monthly rainfall. Average temperature that month is -1.5°C / 29.3°F.
When is the wettest month in St. Louis?
The wettest month in St. Louis is May, with approximately 103 mm / 4.1 in of average monthly rainfall.