October weather forecast and climate
Saint Peters, MO

What is the temperature in October in Saint Peters?

The average high-temperature, in October, is 70°F (21.1°C), while the average low-temperature is 45°F (7.2°C).

How much does it rain in Saint Peters in October?

During October, Saint Peters regularly aggregates up to 2.8" (69.9mm) of precipitation.
Average temperature in October - Saint Peters, MO
  • Average high temperature in October: 70°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 October: 45°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 October - Saint Peters, MO
  • Average rainfall in October: 2.8"

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 October - Saint Peters, MO
  • Average daylight in October: 11.2h

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