United StatesAverage weather for Saint Louis in June
It's hot in June in Saint Louis with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 33°C. At night, you can expect temperatures between 17°C and 23°C.
Start of June
The month of June starts in Saint Louis with hot temps, averaging around 30°C during the day and nights around 19°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid June
By mid-June, daytime temps rise to around 33°C, with nights around 22°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of June
By the end of June, the average daytime temperature in Saint Louis is around 32°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.
In June, there is an average of 242 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.
Saint Louis in June |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 27°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
242 mm | 78 mm | |
| Rainy days |
9 days | 11 days | |
May
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is June a good time to visit Saint Louis?
Looking for sun? June isn’t a good month to be in Saint Louis. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 38°C in 2021, Saint Louis reached the highest temperature in June over the past 10 years. The lowest daytime temperature in this month was 18°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 28°C.
Check out the climate of Saint Louis for all months and discover the best travel time
Daily Temperature in June in Saint Louis
This chart shows the average daily high and low temperatures in June for Saint Louis, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in June in Saint Louis
The chart below shows the average daily precipitation in June for Saint Louis, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for June, you can expect about 9 days of precipitation in Saint Louis.
Daily UV index in June in Saint Louis
This chart shows the average daily UV index in June in Saint Louis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in June in Saint Louis over the years
This chart shows the average temperature in June in Saint Louis, measured in degrees Celsius, over the past few years.
Total precipitation in June in Saint Louis over the years
This chart shows the average precipitation in June in Saint Louis, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in June for Saint Louis
Click on any day in June to get detailed info about the usual weather on that day in Saint Louis. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in June in Saint Louis
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Average weather in Saint Louis by month
Click on a month below to see detailed weather info for Saint Louis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Saint Louis for all months at once
