Jan : Temperature in O-Fallon-Illinois is lowest during Jan. In Jan, temperature during day raise upto 5 C° and temperature during night goes down upto -5 C°. Jan is one of the snowy months in O-Fallon-Illinois. According to past year record, there is 6.62cm snow fall every year during Jan in O-Fallon-Illinois.
|
Feb : During Feb month, highest temperature is 8 C° and lowest temperature is -3 C°. Feb is one of the snowy months in O-Fallon-Illinois. According to past year record, there is 6.06cm snow fall every year during Feb in O-Fallon-Illinois.
|
Mar : In O-Fallon-Illinois during Mar, day temperature raise upto 14 C° and night temperature goes down upto 2 C°. Mar is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 9.09cm rain fall every year during Mar in O-Fallon-Illinois.
|
Apr : In Apr, temperature during day raise upto 20 C° and temperature during night goes down upto 7 C°. Apr is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 10.6cm rain fall every year during Apr in O-Fallon-Illinois. So if you are planing to visit O-Fallon-Illinois during Apr, umbrella is worth considering.
|
May : During May month, highest temperature is 25 C° and lowest temperature is 12 C°. May is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 12.87cm rain fall every year during May in O-Fallon-Illinois. So if you are planing to visit O-Fallon-Illinois during May, umbrella is worth considering.
|
Jun : Jun is one of the hot months in O-Fallon-Illinois. In O-Fallon-Illinois during Jun, day temperature raise upto 30 C° and night temperature goes down upto 17 C°. Jun is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 10.68cm rain fall every year during Jun in O-Fallon-Illinois. So if you are planing to visit O-Fallon-Illinois during Jun, umbrella is worth considering.
|
Jul : Temperature in O-Fallon-Illinois is at its peak during Jul. In Jul, temperature during day raise upto 32 C° and temperature during night goes down upto 19 C°. Jul is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 11.13cm rain fall every year during Jul in O-Fallon-Illinois. So if you are planing to visit O-Fallon-Illinois during Jul, umbrella is worth considering.
|
Aug : Aug is one of the hot months in O-Fallon-Illinois. During Aug month, highest temperature is 31 C° and lowest temperature is 18 C°. Aug is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 9.69cm rain fall every year during Aug in O-Fallon-Illinois.
|
Sep : O-Fallon-Illinois weather in Sep is good. In O-Fallon-Illinois during Sep, day temperature raise upto 27 C° and night temperature goes down upto 13 C°. Sep is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 8.46cm rain fall every year during Sep in O-Fallon-Illinois.
|
Oct : In Oct, temperature during day raise upto 21 C° and temperature during night goes down upto 7 C°. Oct is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 9.4cm rain fall every year during Oct in O-Fallon-Illinois.
|
Nov : During Nov month, highest temperature is 13 C° and lowest temperature is 2 C°. Nov is one of the rainy months in O-Fallon-Illinois. According to past year record, there is 9.78cm rain fall every year during Nov in O-Fallon-Illinois.
|
Dec : In O-Fallon-Illinois during Dec, day temperature raise upto 7 C° and night temperature goes down upto -3 C°. Dec is one of the snowy months in O-Fallon-Illinois. According to past year record, there is 8.1cm snow fall every year during Dec in O-Fallon-Illinois.
|