Best time to visit St Louis

Find the best time to visit St Louis and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

St Louis by month

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

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When is the best time to visit St Louis?

The best time to visit St Louis is May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 3°C maximum daytime temperature in January in St Louis3
    Jan
  • 6°C maximum daytime temperature in February in St Louis6
    Feb
  • 13°C maximum daytime temperature in March in St Louis13
    Mar
  • 20°C maximum daytime temperature in April in St Louis20
    Apr
  • 25°C maximum daytime temperature in May in St Louis25
    May
  • 30°C maximum daytime temperature in June in St Louis30
    Jun
  • 32°C maximum daytime temperature in July in St Louis32
    Jul
  • 31°C maximum daytime temperature in August in St Louis31
    Aug
  • 27°C maximum daytime temperature in September in St Louis27
    Sep
  • 20°C maximum daytime temperature in October in St Louis20
    Oct
  • 13°C maximum daytime temperature in November in St Louis13
    Nov
  • 6°C maximum daytime temperature in December in St Louis6
    Dec

Hours of Sunshine (daily)

Which is the hottest month in St Louis?

The hottest time of year in St Louis is normally July. Expect maximum daytime temperatures to reach 32°C with high heat and humidity.

Which month has the most rain in St Louis?

In terms of rainfall, May is usually the wettest month in St Louis with 103mm on average. There are normally 10 days in May with some rain.

When is it sunniest in St Louis?

The sunniest time of year in St Louis is normally July with bright sunshine on average for 69% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit

The weather guide for Missouri (St Louis) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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