Weather in San Bernardino: July
| Average day temperature: | 95.1°F | |
| Average night temperature: | 70.7°F | |
| Number of sunny days: | 30 days | |
| Day length: | 13.9 - 14.4 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.0 in. | |
| more information | ||
14 days
forecast
forecast
| San Bernardino |
weather in
August
August
| San Bernardino |
Air temperature in July, °F
Show year:
2026
2025
2024
The highest day temperature during July of 2026 was 108°F. At the same time the lowest night temperature was 58°F. Daily and nightly averages during July were 100.0°F and 68.1°F.
Sunny, partly cloudy and cloudy days
Almost all days of July in San Bernardino are sunny. Cloudy days are rare.
Precipitation total in July, in.
Precipitation total value in San Bernardino in July is 0.0 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 4.3 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 July is: 13.3.
Best time for vacation in San Bernardino
San Bernardino on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Bernardino
Local time: 09:25
August 02, sunday
1200

106°F
NE
6 mph
6 mph
1500

104°F
NE
10 mph
10 mph
1800

99°F
NE
7 mph
7 mph
2100

77°F
NE
2 mph
2 mph
August 03, monday
0000

73°F
N
2 mph
2 mph
0300

72°F
N
1 mph
1 mph
0600

70°F
N
1 mph
1 mph
0900

90°F
NE
4 mph
4 mph




























