San Bernardino in august: average Weather, Temperature and Climate
Weather in San Bernardino in august 2025
The weather in San Bernardino in august comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
perfect weather UV index: 8
Weather at 6am
77°F
Clear/Sunny
91% of time
8%
3%
Weather at 12pm
95°F
Clear/Sunny
88% of time
9%
3%
1%
Weather at 6pm
83°F
Clear/Sunny
90% of time
7%
4%
Weather at 3am
70°F
90%
8%
2%
1%
Evolution of daily average temperature and precipitation in San Bernardino in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Bernardino in august.
The climate of San Bernardino in august is perfect
The climate in august in San Bernardino is dry ; it never rains.
The climate is very hot around this city in august. The thermometer averaged maximum of 95°F. In the morning the temperature drops to 77°F. Thus, the mean temperature average on this month of august in San Bernardino is 86°F. Note that these seasonal averages are in contrast with those observed in San Bernardino in the month of august with a maximum record of 110°F in 2009 and a minimum record of 56°F in 2009. You can plan to have 86°F or more throughout the month.
On this month of august, day length in San Bernardino is generally 13:24. Sunrise is at 05:11 and sunset is at 18:35.
With a perfect weather, the month of august is advisable to go in this city in California.
Seasonal average climate and temperature of San Bernardino in august
Check below seasonal norms These statistics are generated from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 95°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 110°F (2009) | ||||
| Lowest record temperature | 56°F (2009) | ||||
| Number of days at +86°F | 30 day(s) (97%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.3in | ||||
| Number of days with rainfall | 0 day(s) (1%) | ||||
| Record daily rainfall | 0.6in (2014) | ||||
| Other climate data | |||||
| Humidity | 40% | ||||
| Visibility | 9.97km | ||||
| Cloud cover | 5% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:11 | ||||
| Time of sunset | 18:35 | ||||
| Length of day | 13:24 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last august?
Here is the day by day recorded weather in San Bernardino in august 2024:
72°F to 97°F
77°F to 101°F
81°F to 103°F
79°F to 104°F
77°F to 106°F
83°F to 104°F
79°F to 94°F
74°F to 97°F
76°F to 99°F
79°F to 101°F
79°F to 99°F
70°F to 95°F
68°F to 94°F
67°F to 95°F
72°F to 97°F
76°F to 97°F
74°F to 95°F
70°F to 97°F
67°F to 99°F
72°F to 103°F
74°F to 97°F
65°F to 92°F
58°F to 86°F
56°F to 85°F
59°F to 90°F
65°F to 95°F
72°F to 95°F
72°F to 94°F
67°F to 92°F
67°F to 95°F
70°F to 97°F
Map: other cities in California in august
Cities near San Bernardino:
| San Bernardino National Forest in august | perfect weather |
| Temecula in august | perfect weather |
| Angeles National Forest in august | perfect weather |
| Palm Springs in august | perfect weather |
| Newport Beach in august | perfect weather |
| San Clemente in august | perfect weather |
| Huntington Beach in august | perfect weather |
| Los Angeles in august | perfect weather |
| Hollywood in august | perfect weather |
| Oceanside in august | perfect weather |
| Cleveland National Forest in august | perfect weather |
| Carlsbad in august | perfect weather |
Click over cities on the map for information about the weather in august.
San Bernardino
perfect weather
good
tolerable
bad
very bad
Weather data for San Bernardino in august:
Weather data for San Bernardino for august are derived from an average of the weather forecast since 2009 in San Bernardino. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Bernardino can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Bernardino.