St Louis weather in April 2025

Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Louis in April. Check more long-term weather averages for St Louis in April before you book your next holiday to Missouri in 2025/2026.

  • 20°C maximum daytime temperature in April in St Louis20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in St Louis11
    11 days with some rainfall
  • 8°C minimum night-time temperature in April in St Louis8
    8°C min night temperature
  • 13 hours of daylight per day in April in St Louis13
    13 hours of daylight per day
  • No heat & humidity in April in St Louis0
    No heat & humidity
  • 95 mm monthly rainfall in April in St Louis95
    95 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in St Louis7
    7 (High) UV index

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The April 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 April?

Daytime temperatures usually reach 20°C in St Louis in April, falling to 8°C at night.

How sunny is it in St Louis in April?

There are normally 8 hours of bright sunshine each day in St Louis in April - that's 57% of daylight hours.

Does it rain in St Louis in April?

There are usually 11 days with some rain in St Louis in April and the average monthly rainfall is 95mm.

St Louis April sunrise & sunset times

Browse the sunrise and sunset times for St Louis in April 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 April 2025 05:45 18:25
Tuesday, 15th April 2025 05:24 18:38
Wednesday, 30th April 2025 05:04 18:52

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