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Weather in May in Saint Louis, Missouri

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< May >
 
Normal Max/ High Temperature 24°C (75°F)
 
Average Temperature 18°C (64°F)
 
Min/ Low Temperature 12°C (54°F)
 
Normal Precipitation 94mm (3.7in)
Number of Wet Days (probability of rain on a day) 12 (39%)
Average Sunlight per day 09:00
Average Daylight per day 14:15
Sunny (Cloudy) Daylight Hours 64% (36%)
Sun altitude at solar noon on the 21st day.
71.5°


  • The average temperature in Saint Louis, Missouri in May is somewhat warm at 18 °C (64.4 °F).
  • Afternoons can be fairly hot with average high temperatures reaching 24 °C (75.2 °F).
  • Overnight temperatures are generally quite mild with an average low of 12 °C (53.6 °F).
  • In May the mean daily temperature variation/ range is 12 °C (21.6 °F).
  • The weather in May is hardly arid with rain occasionally. Circa 94mm (3.7in) of H2O accrues across an average of 12 days.
  • In May the skies in Saint Louis, Missouri are sunny having on balance a sizable 9:00 of intense sunshine daily.
  • The shortest day is 13:47 long and the longest day is 14:39 long with an average length of 14:15.
  • There are approximately 5:06 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • It is sunny approximately 63.8% of daylight hours and cloudy 36.2% of daylight hours.

Check the distance to and compare the Saint Louis, Missouri May averages with somewhere beginning with:

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Weather Trend Graph for May in Saint Louis, Missouri, Usa

Graph of weather in Saint Louis, Missouri in May

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