St. Louis Loftslag and Average Veður
Loftslag of St. Louis: average temperatures, rainfall and seasons month by month.
Loftslag in St. Louis month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 2° | -6° | 74 mm | ★★☆☆☆ |
| febrúar | 9° | -1° | 35 mm | ★★★☆☆ |
| mars | 17° | 5° | 104 mm | ★★★☆☆ |
| apríl | 21° | 11° | 180 mm | ★★★☆☆ |
| maí | 24° | 14° | 152 mm | ★★★★☆ |
| júní | 30° | 20° | 149 mm | ★★★★☆ |
| júlí | 31° | 22° | 137 mm | ★★★★☆ |
| ágúst | 30° | 21° | 66 mm | ★★★★☆ |
| september | 29° | 19° | 63 mm | ★★★★☆ |
| október | 21° | 11° | 49 mm | ★★★★☆ |
| nóvember | 14° | 5° | 85 mm | ★★★☆☆ |
| desember | 8° | -0° | 62 mm | ★★★☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Recent extremes in St. Louis
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How St. Louis compares með 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 |
Best time til visit St. Louis
Go in ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for St. Louis
Today is slightly warmer than average for október. The forecast high of 25°C is 3.8°C above the 21°C typical for this month.
Rigning is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 28°C.
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sun.glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Samantekt
St. Louis is a city in Missouri. St. Louis is known for Gateway Arch and blues. Íbúafjöldinn er um 290.000.
Núna er hitinn 19°C (66°F) in St. Louis með clear. Hitinn finnst vera 16°C. Í dag er hitinn frá 10°C til 25°C. Líkur á úrkomu eru 0%. Sightseeing conditions score 9.7/10 - frábært — farðu núna.
Besti tíminn til að heimsækja St. Louis is ágúst, september and október. Loftslagið er continental. janúar, febrúar and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 31°C, while janúar is the coldest með lows near -6°C.
The closest major airport is Nashville International Airport (BNA), about 417 km away. Nearby highlights include Gateway Arch National Park, Starved Rock State Park and Mammoth Cave National Park.
Í einföldu máli. Today is slightly warmer than average for október. The forecast high of 25°C is 3.8°C above the 21°C typical for this month. The best window til be outside is roughly 11 AM til 2 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in St. Louis today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about St. Louis
| Tegund | City |
|---|---|
| State | Missouri |
| Land | Bandaríkin |
| Heimsálfa | Norður-Ameríka |
| Hnit | 38°37′37.2″N 90°11′57.8″W (38.627, -90.1994) |
| Mannfjöldi | 290.000 |
| Known for | Gateway Arch and blues |
| Staðartími | 6:07 AM (UTC-05:00) |
| Best months | ágúst, september and október |
| Loftslag | Heimsálfaal |
Veður map for St. Louis
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Explore St. Louis
Every topic we hold for this place, and the same topic for the places around it.
Loftslag 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 Norður-Ameríka.
What is the weather like in St. Louis núna?
It is currently 19°C (66°F) með clear. Raki is 36% and wind is 8 km/h.
When is the best time til visit St. Louis?
ágúst, september and október offer the most comfortable conditions in St. Louis, which has a continental climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is St. Louis in?
St. Louis observes America/Chicago (UTC-05:00). The local time is 6:07 AM.
How many people live in St. Louis?
St. Louis has a population of approximately 290.000.
What is the nearest airport til 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 til 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 6, 2026 at 6:07 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
