Historical Weather Records & Monthly Climate for Fontana, CA
All-Time High
115°F
All-Time Low
14°F
Max Daily Snow
4.2"
Max Wind Gust
56 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 62° | 41° | 3.66" | 0.01" |
| February | 63° | 42° | 3.9" | 0.26" |
| March | 67° | 45° | 2.59" | 0.03" |
| April | 72° | 49° | 1.29" | 0.01" |
| May | 77° | 54° | 0.62" | 0 |
| June | 85° | 60° | 0.1" | 0 |
| July | 92° | 66° | 0.08" | 0 |
| August | 93° | 67° | 0.15" | 0 |
| September | 89° | 63° | 0.27" | 0 |
| October | 80° | 55° | 0.89" | 0 |
| November | 70° | 47° | 1.37" | 0 |
| December | 62° | 41° | 2.8" | 0.05" |
Historical Weather Extremes
Based on 80+ years of archive data (1940 - 2024)
🔥
Longest Heatwave
59 Days
1942
Consecutive days ≥ 90°F
🧊
Deepest Freeze
0 Days
N/A
Consecutive days ≤ 32°F
🏜️
Longest Drought
143 Days
1940
Consecutive days w/o rain
☔
Wettest Month
19.64"
January 1993
Most rainfall in one month
⛄
Snowiest Month
8.96"
January 1949
Most snowfall in one month
More Historical Climate Data for Cities in
CA