Weather radar St. Louis
Real-time precipitation radar · Missouri · United States
St. Louis climate table – average temperature, precipitation & sunshine hours
The climate table for St. Louis shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 4.7° | 6.8° | 13.4° | 19.3° | 24.4° | 29.5° | 31.1° | 30.4° | 26.6° | 19.8° | 12.6° | 6.6° |
| Avg low (°C) | -4.1° | -3.2° | 2.7° | 8.3° | 14.2° | 19.3° | 21.4° | 20.9° | 16.7° | 10.2° | 3.5° | -1.7° |
| Precipitation (mm) | 67 | 65 | 111 | 111 | 133 | 104 | 112 | 93 | 98 | 101 | 82 | 72 |
| Rainy days | 8 | 8 | 11 | 11 | 13 | 10 | 11 | 10 | 8 | 9 | 8 | 8 |
| Sunshine hours | 183 | 194 | 237 | 269 | 312 | 353 | 367 | 338 | 295 | 238 | 198 | 168 |
| Humidity | – | – | – | – | – | – | – | – | – | – | – | – |
Best time to visit St. Louis
The best time to visit St. Louis is typically August. In this month the average high is 30.4°C, precipitation is 93 mm and sunshine duration is 338 hours. The annual average high is 18.8°C, total annual precipitation is 1149 mm (115 rainy days/year) and annual sunshine is 3152 hours.
Frequently asked questions about the weather in St. Louis
How up to date is the weather radar for St. Louis?
The weather radar for St. Louis is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for St. Louis?
Besides the rain radar, RadarWeather provides for St. Louis: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in St. Louis?
The thunderstorm potential for St. Louis is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near St. Louis.
What is the climate like in St. Louis?
St. Louis has an annual average high of 18.8°C. The warmest month is July (avg high 31.1°C), the coldest January (avg low -4.1°C). The wettest month is May with 133 mm, the driest February with 65 mm. Total annual precipitation is 1149 mm (115 rainy days). Annual sunshine is 3152 hours.
Weather radar near St. Louis
Indianapolis · Kansas City · Memphis · Louisville · Nashville · Chicago · Cincinnati · Milwaukee
All cities in the USA →