St. Louis (MO)
June
Weather in St. Louis, Missouri for June 2026
Your guide to St. Louis weather in June - trends and predictions
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So far, June 2026 in St. Louis is slightly warmer than the historical average by 1.8 °F.
The forecast for the next days in St. Louis predicts temperatures to be around 28 °F, close to the historical average.
In general, the average temperature in St. Louis at the beginning of June is 27.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 32 °F by the end of June.
St. Louis in June brings notable rainfall, with an average of 20 rainy days and a total precipitation of 127.9 mm.
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Temperatures
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10
Dry days
20
Rainy days
0
Snow days
30°/19°
Temperatures
16 km/h
Avg max wind
68 %
Avg humidity
St. Louis Weather June
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Temperatures trend during June in St. Louis
See the weather trend as well as the moving average line
June weather in St. Louis day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Patchy rain possible | 25° /16° | 3.3 mm | 6 | |
| Jun. 2 |  Sunny | 27° /16° | 0.8 mm | 7 | |
| Jun. 3 | Sunny | 30° /16° | 2.5 mm | 8 | |
| Jun. 4 | Sunny | 29° /17° | 6.1 mm | 7 | |
| Jun. 5 | Sunny | 29° /19° | 5.3 mm | 8 | |
| Jun. 6 |  Moderate or heavy rain shower | 27° /19° | 4.5 mm | 7 | |
| Jun. 7 | Patchy rain possible | 27° /17° | 1.7 mm | 7 | |
| Jun. 8 | Moderate or heavy rain shower | 27° /17° | 14.3 mm | 6 | |
| Jun. 9 | Patchy rain possible | 29° /17° | 3.4 mm | 7 | |
| Jun. 10 | Patchy rain possible | 38° /25° | 0.3 mm | 10.5 | |
| Jun. 11 | Sunny | 36° /24° | 0.1 mm | 10.6 | |
| Jun. 12 |  Moderate rain | 28° /18° | 5.8 mm | 10.3 | |
| Jun. 13 | Patchy rain possible | 29° /18° | 3.3 mm | 8.9 | |
| Jun. 14 | Moderate rain | 23° /18° | 15.7 mm | 0.3 | |
| Jun. 15 |  Partly cloudy | 24° /17° | 0 mm | 6 | |
| Jun. 16 | Partly cloudy | 25° /15° | 0.1 mm | 5 | |
| Jun. 17 | Patchy rain possible | 24° /16° | 2 mm | 4 | |
| Jun. 18 | Sunny | 29° /15° | 0 mm | 6 | |
| Jun. 19 | Sunny | 32° /17° | 0 mm | 6 | |
| Jun. 20 | Patchy rain possible | 26° /19° | 0.4 mm | 5 | |
| Jun. 21 | Sunny | 29° /16° | 0 mm | 6 | |
| Jun. 22 | Patchy rain possible | 29° /21° | 3.1 mm | 5 | |
| Jun. 23 | Patchy rain possible | 24° /22° | 3.1 mm | 5 | |
| Jun. 24 |  Overcast | 32° /21° | 0.9 mm | 7 | |
| Jun. 25 |  Thundery outbreaks possible | 35° /23° | 9.8 mm | 8 | |
| Jun. 26 | Moderate or heavy rain shower | 31° /21° | 5 mm | 7 | |
| Jun. 27 | Partly cloudy | 31° /20° | 4.2 mm | 7 | |
| Jun. 28 | Moderate or heavy rain shower | 30° /19° | 2.1 mm | 7 | |
| Jun. 29 | Patchy rain possible | 33° /21° | 11 mm | 7 | |
| Jun. 30 | Moderate or heavy rain shower | 32° /20° | 2.8 mm | 7 | |
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Important Notice
Our weather forecast for St. Louis in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Louis forecast closer to your planned date for the most up-to-date weather information.
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St. Louis in June - FAQ
What are the expected maximum and minimum temperatures in St. Louis during June?
Expect warm days with temperatures around 30°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in St. Louis during June?
Significant rainfall exceeding 127.9 mm is expected in St. Louis during June, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Louis during June?
The average wind speed in St. Louis during June is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in St. Louis
Explore the daily rainfall trends and prepare for St. Louiss June weather 💧
Typically, St. Louis has 20 rainy days in June with a total of 127.9 mm of rainfall.
UV exposure in St. Louis during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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