Weather in O Fallon in the Autumn

day
+64
evening
+61

Average daytime temperature in O Fallon in Autumn is +64°F, while evening temperature falls to +61°F.

Wind
average wind speed 5 mph
Pressure
748 inHg

Average Autumn temperature graph in O Fallon, broken down by month and year, according to our weather archive.


Minimum and maximum
world's temperature today
Russia
Mys Shmidta
day
+30°F
night
+9°F
Sudan
Wad Madani
day
+117°F
night
+91°F

O Fallon
The hottest months:
July
+93 °F
August
+88 °F
June
+86 °F
The coldest months:
January
+36 °F
December
+41 °F
February
+43 °F
Most precipitations:
January
5 D
December
5 D
March
3 D
Most windy months mph:
February
13.4 mph
March
13.4 mph
May
13.4 mph
Most sunny months days:
November
9 D
August
8 D
October
8 D

Temperature units
°F°C
Icons