St Joseph weather in August 2025

Expect 88°F 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.

  • 88°F maximum daytime temperature in August in St Joseph88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in St Joseph9
    9 days with some rainfall
  • 64°F minimum night-time temperature in August in St Joseph64
    64°F 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
  • 4.4 inches monthly rainfall in August in St Joseph4.4
    4.4 inches 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)  |  Imperial (°F)

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How hot is it in St Joseph in August?

Daytime temperatures usually reach 88°F in St Joseph in August with high heat and humidity, falling to 64°F 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 4.4 inches.

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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