St. Louis 气候 and Average 天气
气候 of St. Louis: average temperatures, rainfall and seasons month by month.
气候 in St. Louis month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 2° | -6° | 74 mm | ★★☆☆☆ |
| 二月 | 9° | -1° | 35 mm | ★★★☆☆ |
| 三月 | 17° | 5° | 104 mm | ★★★☆☆ |
| 四月 | 21° | 11° | 180 mm | ★★★☆☆ |
| 五月 | 24° | 14° | 152 mm | ★★★★☆ |
| 六月 | 30° | 20° | 149 mm | ★★★★☆ |
| 七月 | 31° | 22° | 137 mm | ★★★★☆ |
| 八月 | 30° | 21° | 66 mm | ★★★★☆ |
| 九月 | 29° | 19° | 63 mm | ★★★★☆ |
| 十月 | 21° | 11° | 49 mm | ★★★★☆ |
| 十一月 | 14° | 5° | 85 mm | ★★★☆☆ |
| 十二月 | 8° | -0° | 62 mm | ★★★☆☆ |
气候 type: 大洲al. 来源： Open-Meteo archive (ERA5).
Recent extremes in St. Louis
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How St. Louis compares，天气为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 |
最佳旅游时间 St. Louis
Go in 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for St. Louis
Today is slightly warmer than average for 十月. The forecast high of 25°C is 3.1°C above the 21°C typical for this month.
雨 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 六月至八月.
The gap between the warmest and coldest month averages 28°C.
What至pack, what至skip
- Lightweight, light-coloured clothing and a refillable water bottle
- 周日glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
St. Louis is a city in Missouri. St. Louis is known for Gateway Arch and blues. 人口约为290.000.
目前气温为17°C (62°F) in St. Louis，天气为晴. 体感温度为14°C. 今天气温在11°C至25°C. 降水概率为0%. Sightseeing conditions score 9.7/10 - 极佳 — 现在适合出行.
最佳旅游时间是St. Louis is 八月, 九月 and 十月. 气候为continental. 一月, 二月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天气为average highs near 31°C, while 一月 is the coldest，天气为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.
简单来说。 Today is slightly warmer than average for 十月. The forecast high of 25°C is 3.1°C above the 21°C typical for this month. The best window至be outside is roughly 12 PM至3 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
天气 map for St. Louis
Animated model layers. Pick a layer至load it.
Animated layers by 风y. 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.
气候 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 北美洲.
What is the weather like in St. Louis现在?
It is currently 17°C (62°F)，天气为晴. 湿度 is 50% and wind is 9 km/h.
When is the best time至visit St. Louis?
八月, 九月 and 十月 offer the most comfortable conditions in St. Louis, which has a continental climate. 一月, 二月 and 十二月 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 11:57 PM.
How many people live in St. Louis?
St. Louis has a population of approximately 290.000.
What is the nearest airport至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至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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 十月 26, 2026 at 11:57 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
