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St. Louis, MO Weather on July 11

St. Louis hits 98°F record on this July date back in 1974

July 11 in St. Louis typically sees highs near 90°F and lows around 69°F, representing the heart of summer in the region. The most extreme reading on this date came in 1974 when the temperature soared to 98°F, while 1971 brought the coolest morning at 50°F—a spread of 48 degrees across 53 years of records demonstrating the wide variability possible in mid-summer weather.

By Weather On This Day|
Avg High
90°F
Avg Low
69°F
Record High
98°F
2000
Record Low
50°F
1971
St. Louis, MO on July 11 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on July 11

Planning for July 11th in St. Louis, MO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Frequently Asked Questions

What was the warmest July 11 ever in St. Louis?

The warmest July 11 in St. Louis, MO reached 98°F in 2000. That is 8°F above the long-term average high of 90°F.

What was the coldest July 11 ever in St. Louis?

The coldest July 11 in St. Louis, MO dropped to 50°F in 1971. That is 19°F below the long-term average low of 69°F.

What is the average temperature on July 11 in St. Louis?

On July 11, St. Louis averages a high of 90°F and a low of 69°F based on 53 years of NOAA weather observations from ST LOUIS ST LOUIS UNIV.

How many years of weather data are available for July 11 in St. Louis?

We have 53 years of weather records for July 11 in St. Louis, MO, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

July 11 Weather History in St. Louis

YearHighLowPrecipSnow
202597°F70°F0"--
202490°F66°F0"--
202395°F66°F0"--
202296°F64°F0"--
202184°F67°F0.08"--
202094°F69°F0"--
201986°F70°F0"--
201897°F81°F0"--
201797°F79°F0"--
201692°F74°F0"--
201579°F67°F0"--
201489°F60°F0"--
201388°F70°F0.38"--
201295°F72°F0"--
201196°F79°F0"--
201088°F68°F0"--
200985°F73°F0.08"--
200891°F73°F0.13"--
200786°F68°F1.88"--
200682°F71°F0.89"--
200590°F72°F0"--
200490°F71°F0"--
200388°F67°F0"--
200285°F73°F0"--
200192°F76°F0"--
200098°F72°F1.24"--
199978°F60°F0"--
199880°F72°F0.46"--
199780°F64°F0"--
199683°F63°F0"--
199592°F69°F0"--
199485°F62°F0"--
199392°F72°F0"--
199288°F69°F0.15"--
199190°F68°F1.7"--
199095°F64°F0.53"--
198996°F73°F0"--
198886°F72°F0.25"--
198794°F72°F0"--
198694°F69°F2.21"--
198591°F66°F0.05"--
198495°F71°F0"--
198192°F66°F0"--
198098°F76°F0"--
197988°F64°F0"--
197871°F60°F0.38"--
197786°F67°F0.51"--
197698°F67°F0"--
197584°F55°F0"--
197498°F72°F2.62"--
197391°F69°F0"--
197292°F73°F0"--
197184°F50°F----

Based on 53 years of data from NOAA station: ST LOUIS ST LOUIS UNIV

How Has July 11 Changed?

The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.

Monthly Climate Averages

Historical temperature and precipitation averages for St. Louis, MO, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 89°F / Low: 69°F
Coldest MonthJanuaryAvg High: 40°F / Low: 22°F
Jan
40°/ 22°
💧 7.2"
❄️ 1.6"
Feb
45°/ 26°
💧 7.7"
❄️ 1.7"
Mar
56°/ 36°
💧 8.8"
❄️ 1.8"
Apr
68°/ 46°
💧 9.6"
❄️ 1.8"
May
77°/ 56°
💧 9.2"
Jun
85°/ 65°
💧 10.9"
Jul
89°/ 69°
💧 12.2"
Aug
88°/ 68°
💧 11.0"
Sep
81°/ 59°
💧 11.3"
Oct
69°/ 47°
💧 8.5"
Nov
56°/ 37°
💧 10.5"
❄️ 2.2"
Dec
44°/ 27°
💧 8.3"
❄️ 1.8"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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