St Louis weather in June 2026

Expect daytime maximum temperatures of 86°F in St Louis, Missouri in June based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 3.7 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in St Louis86
    86°F max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in June in St Louis9
    9 days with some rainfall
  • 64°F minimum night-time temperature in June in St Louis64
    64°F min night temperature
  • 15 hours of daylight per day in June in St Louis15
    15 hours of daylight per day
  • Moderate heat & humidity in June in St LouisM
    Moderate heat & humidity
  • 3.7 inches monthly rainfall in June in St Louis3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in St Louis9
    9 (Very High) UV index

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The June 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)  |  Imperial (°F)

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How hot is it in St Louis in June?

Daytime temperatures usually reach 86°F in St Louis in June with moderate heat and humidity, falling to 64°F at night.

How sunny is it in St Louis in June?

There are normally 10 hours of bright sunshine each day in St Louis in June - that's 67% of daylight hours.

Does it rain in St Louis in June?

There are usually 9 days with some rain in St Louis in June and the average monthly rainfall is 3.7 inches.

St Louis June sunrise & sunset times

Browse the sunrise and sunset times for St Louis in June 2026. Select a month to view St Louis sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 04:38 19:20
Monday, 15th June 2026 04:36 19:27
Tuesday, 30th June 2026 04:40 19:29

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