Weather in Fontana in July
In an average July, Fontana sees a daily high around 91°F and a low around 66°F, based on 1980–2026 of local climate records.
| Average high | 91°F |
|---|---|
| Typical high range | 84°F to 97°F |
| Average low | 66°F |
| Typical low range | 61°F to 71°F |
| Average daily precipitation | 0.00 in |
July records
The most extreme July on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total July accumulation.
High
Highest
112°F
2018-07-06
Lowest
75°F
1987-07-21
Low
Highest
82°F
2018-07-07
Lowest
53°F
2004-07-01
Feels-like
Highest
142°F
1998-07-16
Lowest
75°F
1987-07-21
Humidity
Highest
18.7 g/m³
2015-07-20
Lowest
7.2 g/m³
2018-07-06
Wind
Highest
10 mph
2026-07-01
Lowest
4 mph
2026-07-13
Gust
Highest
27 mph
2018-07-07
Lowest
13 mph
1992-07-08
Precip
Wettest
1.05 in
2015
Driest
0.00 in
2024
See Fontana's live weather grade →
Visiting Fontana in July? See how its comfort stacks up against where you live.
Compare Fontana with your city →