St Louis weather in July 2025

Expect 32°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in St Louis in July based on long-term weather averages. There is usually 8 days with some rainfall and 95 mm of average monthly rainfall in July.

  • 32°C maximum daytime temperature in July in St Louis32
    32°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in July in St Louis8
    8 days with some rainfall
  • 20°C minimum night-time temperature in July in St Louis20
    20°C min night temperature
  • 15 hours of daylight per day in July in St Louis15
    15 hours of daylight per day
  • High heat & humidity in July in St LouisH
    High heat & humidity
  • 95 mm monthly rainfall in July in St Louis95
    95 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in St Louis9
    9 (Very High) UV index

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The July weather guide for Missouri (St Louis) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in St Louis in July?

Daytime temperatures usually reach 32°C in St Louis in July with high heat and humidity, falling to 20°C at night.

How sunny is it in St Louis in July?

There are normally 10 hours of bright sunshine each day in St Louis in July - that's 69% of daylight hours.

Does it rain in St Louis in July?

There are usually 8 days with some rain in St Louis in July and the average monthly rainfall is 95mm.

St Louis July sunrise & sunset times

Browse the sunrise and sunset times for St Louis in July 2025. Select a month to view St Louis sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:40 19:29
Wednesday, 16th July 2025 04:50 19:24
Thursday, 31st July 2025 05:02 19:12

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