St. Louis Météo Prévisions
St. Louis weather: 17°C, ciel dégagé. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
St. Louis weather in mars
A workable month, avec trade-offs.
mars runs 4°C cooler than the annual average in St. Louis.
Météo map for St. Louis
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
Climat in St. Louis month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 2° | -6° | 74 mm | ★★☆☆☆ |
| février | 9° | -1° | 35 mm | ★★★☆☆ |
| mars | 17° | 5° | 104 mm | ★★★☆☆ |
| avril | 21° | 11° | 180 mm | ★★★☆☆ |
| mai | 24° | 14° | 152 mm | ★★★★☆ |
| juin | 30° | 20° | 149 mm | ★★★★☆ |
| juillet | 31° | 22° | 137 mm | ★★★★☆ |
| août | 30° | 21° | 66 mm | ★★★★☆ |
| septembre | 29° | 19° | 63 mm | ★★★★☆ |
| octobre | 21° | 11° | 49 mm | ★★★★☆ |
| novembre | 14° | 5° | 85 mm | ★★★☆☆ |
| décembre | 8° | -0° | 62 mm | ★★★☆☆ |
Climat type: Continental. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter St. Louis
Go in août, septembre and octobre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janvier, février and décembre – expect the least comfortable mix of heat, cold or rain.
What à pack, what à skip
- dim.glasses, a brimmed hat and SPF 30+
- Layers – the daily swing is 18°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janvier, février and décembre – historically the least comfortable months here.
How St. Louis compares avec nearby places
Annual averages, and the difference against St. Louis.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Gateway Arch National Park | 1 km | 15°C | about the same | 1156 mm |
| Illinois | 137 km | 13°C | 1°C cooler | 939 mm |
| Starved Rock State Park | 317 km | 12°C | 3°C cooler | 1052 mm |
| Branson | 345 km | 16°C | +1°C warmer | 1119 mm |
| Indianapolis | 371 km | 13°C | 2°C cooler | 1135 mm |
Voir les prévisions de St. Louis par période
St. Louis weather – more answers
Explore St. Louis
Every topic we hold for this place, and the same topic for the places around it.
Météo for related places
Frequently asked questions
Where is St. Louis?
St. Louis is a city in Missouri. Its coordinates are 38.627, -90.1994. It lies in Amérique du Nord.
What is the weather like in St. Louis maintenant?
It is currently 17°C (62°F) avec ciel dégagé. Humidité is 55% and wind is 6 km/h.
When is the best time à visit St. Louis?
août, septembre and octobre offer the most comfortable conditions in St. Louis, which has a continental climate. janvier, février and décembre are usually the hardest months for outdoor plans.
What time zone is St. Louis in?
St. Louis observes America/Chicago (UTC-05:00). The heure locale is 6:33 PM.
How many people live in St. Louis?
St. Louis has a population of approximately 290.000.
What is the nearest airport à St. Louis?
The closest airports are Nashville International Airport (BNA), 417 km away and O'Hare International Airport (ORD), 420 km away.
What are the top things à do in St. Louis?
Popular options include Gateway Arch National Park, Starved Rock State Park and Mammoth Cave National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) – coordinates, hierarchy and facts. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Météo Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown. |
Last updated octobre 24, 2026 at 6:33 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
