Historical Weather Records & Monthly Climate for St. Charles, MO
All-Time High
100°F
All-Time Low
-30°F
Max Daily Snow
9.6"
Max Wind Gust
32 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 30° | 16° | 2.07" | 8" |
| February | 34° | 18° | 2.07" | 6.7" |
| March | 46° | 29° | 2.58" | 3.81" |
| April | 58° | 39° | 4.1" | 1.78" |
| May | 69° | 51° | 4.86" | 0.02" |
| June | 79° | 61° | 4.1" | 0 |
| July | 82° | 66° | 3.75" | 0 |
| August | 81° | 65° | 3.82" | 0 |
| September | 74° | 58° | 3.05" | 0 |
| October | 61° | 46° | 3.35" | 0.23" |
| November | 47° | 34° | 2.18" | 1.8" |
| December | 36° | 23° | 2.24" | 6.12" |
More Historical Climate Data for Cities in
MO