St Joseph weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Joseph in August. Check more long-term weather averages for St Joseph in August before you book your next holiday to Missouri in 2025/2026.

  • 31°C maximum daytime temperature in August in St Joseph31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in St Joseph9
    9 days with some rainfall
  • 18°C minimum night-time temperature in August in St Joseph18
    18°C min night temperature
  • 14 hours of daylight per day in August in St Joseph14
    14 hours of daylight per day
  • High heat & humidity in August in St JosephH
    High heat & humidity
  • 112 mm monthly rainfall in August in St Joseph112
    112 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in St Joseph8
    8 (Very High) UV index

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The August weather guide for Missouri (St Joseph) 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 Joseph in August?

Daytime temperatures usually reach 31°C in St Joseph in August with high heat and humidity, falling to 18°C at night.

How sunny is it in St Joseph in August?

There are normally 9 hours of bright sunshine each day in St Joseph in August - that's 69% of daylight hours.

Does it rain in St Joseph in August?

There are usually 9 days with some rain in St Joseph in August and the average monthly rainfall is 112mm.

St Joseph August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:19 19:32
Saturday, 16th August 2025 05:33 19:14
Sunday, 31st August 2025 05:47 18:52

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