St Louis weather in October 2025

Expect daytime maximum temperatures of 68°F in St Louis, Missouri in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.6 inches of rainfall in the month.

  • 68°F maximum daytime temperature in October in St Louis68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in October in St Louis8
    8 days with some rainfall
  • 46°F minimum night-time temperature in October in St Louis46
    46°F min night temperature
  • 11 hours of daylight per day in October in St Louis11
    11 hours of daylight per day
  • No heat & humidity in October in St Louis0
    No heat & humidity
  • 2.6 inches monthly rainfall in October in St Louis2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in St Louis4
    4 (Moderate) UV index

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The October 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 October?

Daytime temperatures usually reach 68°F in St Louis in October, falling to 46°F at night.

How sunny is it in St Louis in October?

There are normally 7 hours of bright sunshine each day in St Louis in October - that's 61% of daylight hours.

Does it rain in St Louis in October?

There are usually 8 days with some rain in St Louis in October and the average monthly rainfall is 2.6 inches.

St Louis October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:57 17:43
Thursday, 16th October 2025 06:11 17:21
Friday, 31st October 2025 06:27 17:01

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