St Louis weather in March 2025

Expect 13°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in St Louis in March. Check more long-term weather averages for St Louis in March before you book your next holiday to Missouri in 2025/2026.

  • 13°C maximum daytime temperature in March in St Louis13
    13°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in March in St Louis11
    11 days with some rainfall
  • 2°C minimum night-time temperature in March in St Louis2
    2°C min night temperature
  • 12 hours of daylight per day in March in St Louis12
    12 hours of daylight per day
  • No heat & humidity in March in St Louis0
    No heat & humidity
  • 84 mm monthly rainfall in March in St Louis84
    84 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in St Louis5
    5 (Moderate) UV index

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The March 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 warm is it in St Louis in March?

Daytime temperatures usually reach 13°C in St Louis in March, falling to 2°C at night.

How sunny is it in St Louis in March?

There are normally 6 hours of bright sunshine each day in St Louis in March - that's 53% of daylight hours.

Does it rain in St Louis in March?

There are usually 11 days with some rain in St Louis in March and the average monthly rainfall is 84mm.

St Louis March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:32 17:54
Sunday, 16th March 2025 06:10 18:09
Monday, 31st March 2025 05:47 18:24

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