St. Louis weather in June
Temperature, rain and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: April – May, September – October
What is the weather like in St. Louis in June?
In June, St. Louis is hot: daytime highs average 29 °C, and nights cool down to about 20 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 104 mm in total. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in St. Louis.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 51 min05:35 – 20:26
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 15 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 53 %on averageAll months
- Hot days
- 14 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−5America/Chicago
How the score comes together
- Temperatureweight 50 %70 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 30 %53 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
St. Louis in June: quick answers
Is St. Louis hot in June?
Yes. In June, St. Louis is hot: daytime highs average 29 °C and nights stay around 20 °C. On about 14 days the thermometer climbs to 30 °C or more.
Does it rain much in St. Louis in June?
Rain is frequent, with about 11 rainy days and 104 mm in total.
St. Louis month by month
The whole year in St. LouisAll destinations: USAWhere to go in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences