St. Louis Veður Spá
St. Louis weather: 15°C, clear. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
St. Louis weather in desember
A workable month, með trade-offs.
desember runs 11°C cooler than the annual average in St. Louis.
Compare með nóvember.
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.
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° | 10° | 180 mm | ★★★☆☆ |
| maí | 24° | 14° | 152 mm | ★★★★☆ |
| júní | 30° | 20° | 149 mm | ★★★★☆ |
| júlí | 31° | 22° | 137 mm | ★★★★☆ |
| ágúst | 30° | 21° | 66 mm | ★★★★☆ |
| september | 29° | 18° | 81 mm | ★★★★☆ |
| október | 22° | 11° | 38 mm | ★★★★☆ |
| nóvember | 14° | 5° | 85 mm | ★★★☆☆ |
| desember | 8° | -0° | 62 mm | ★★★☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
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 til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 18°C, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
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 | 1163 mm |
| Illinois | 137 km | 13°C | 1°C cooler | 929 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 |
Sjá spá fyrir St. Louis eftir tímabili
St. Louis weather - more answers
Explore St. Louis
Every topic we hold for this place, and the same topic for the places around it.
Veður 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 15°C (60°F) með clear. Raki is 63% and wind is 6 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 2:14 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 29, 2026 at 2:14 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
