July weather forecast and climate
Saint Peters, MO

Average temperature in July - Saint Peters, MO
  • Average high temperature in July: 90°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (38°F).

  • Average low temperature in July: 68°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average rainfall in July - Saint Peters, MO
  • Average rainfall in July: 4.2"

Wettest months (with the highest rainfall) are May and July (4.2").
The driest month (with the lowest rainfall) is January (1.7").

Average daylight in July - Saint Peters, MO
  • Average daylight in July: 14.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).