St Louis weather in October 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St Louis in October. Check more long-term weather averages for St Louis in October before you book your next holiday to Missouri in 2025/2026.

  • 20°C maximum daytime temperature in October in St Louis20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in October in St Louis8
    8 days with some rainfall
  • 8°C minimum night-time temperature in October in St Louis8
    8°C 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
  • 67 mm monthly rainfall in October in St Louis67
    67 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in St Louis4
    4 (Moderate) UV index

More about St Louis

St Louis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 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 / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in St Louis in October?

Daytime temperatures usually reach 20°C in St Louis in October, falling to 8°C 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 67mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^