Historical Weather Records & Monthly Climate for Rialto, CA
All-Time High
113°F
All-Time Low
24°F
Max Daily Snow
4.5"
Max Daily Rain
4.03"
Max Snow Depth
0
Monthly Climate Averages for Rialto, CA
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 62° | 41° | 3.12" | 0.42" |
| February | 63° | 42° | 3.36" | 0.98" |
| March | 67° | 45° | 2.32" | 0.35" |
| April | 72° | 48° | 1.15" | 0.29" |
| May | 77° | 53° | 0.55" | 0 |
| June | 85° | 59° | 0.11" | 0 |
| July | 92° | 66° | 0.4" | 0 |
| August | 93° | 67° | 0.39" | 0 |
| September | 89° | 63° | 0.33" | 0 |
| October | 79° | 55° | 0.75" | 0 |
| November | 70° | 47° | 1.2" | 0.11" |
| December | 62° | 41° | 2.46" | 0.44" |
More Historical Climate Data for Cities in
CA