Weather in Fontana: August
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Average day temperature: | 94.6°F |
| Average night temperature: | 70.7°F | |
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Number of sunny days: | 28 days |
| Day length: | 12.9 - 13.8 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| Fontana |
weather in
September
September
| Fontana |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 110°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during August were 101.2°F and 70.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Fontana in August is 0.2 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 4.6 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 12.2.
Best time for vacation in Fontana
Fontana on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Fontana
Local time: 17:35
September 13, sunday
1800
82°F
E
11 mph
11 mph
2100
77°F
E
7 mph
7 mph
September 14, monday
0000
73°F
NE
4 mph
4 mph
0300
72°F
E
3 mph
3 mph
0600
72°F
N
1 mph
1 mph
0900
75°F
NW
2 mph
2 mph
1200
82°F
E
2 mph
2 mph
1500
88°F
E
10 mph
10 mph
