United StatesAverage weather for Saint Louis in July
It's hot in July in Saint Louis with an average temperature of 32°C. Temperatures this month range from a low of 28°C to a high of 34°C. At night, you can expect temperatures between 20°C and 24°C.
Start of July
The month of July starts in Saint Louis with hot temps, averaging around 32°C during the day and nights around 22°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid July
By mid-July, daytime temps rise to around 33°C, with nights around 23°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of July
By the end of July, the average daytime temperature in Saint Louis is around 32°C, while nighttime temps are about 22°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In July, there is an average of 157 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
Saint Louis in July |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 31°C | |
 Max. temperature |
34°C | 33°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
157 mm | 160 mm | |
| Rainy days |
10 days | 18 days | |
June
UV index
The UV index is a maximum of 9 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 July a good time to visit Saint Louis?
Looking for sun? July 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 40°C in 2017, Saint Louis reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 21°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 11°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 July in Saint Louis
This chart shows the average daily high and low temperatures in July 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 July in Saint Louis
The chart below shows the average daily precipitation in July 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 July, you can expect about 10 days of precipitation in Saint Louis.
Daily UV index in July in Saint Louis
This chart shows the average daily UV index in July 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 July in Saint Louis over the years
This chart shows the average temperature in July in Saint Louis, measured in degrees Celsius, over the past few years.
Total precipitation in July in Saint Louis over the years
This chart shows the average precipitation in July 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 July for Saint Louis
Click on any day in July 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 July 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
