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. Check more long-term weather averages for St Louis in July before you book your next holiday to Missouri in 2025/2026.

  • 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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Recommended for Missouri

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

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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