July weather in Barstow, CA
The average temperature in Barstow in July is 86.9°F (71.8°F–102.1°F). Average precipitation: 0.26 inches.
July is a summer month in Barstow, and is warmer than the annual average of 65.7°F. Daily temperatures swing about 30.3°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 14h 8m. For travel, July is hot.
Avg High
102.1°F
Avg Low
71.8°F
Precipitation
0.26 in
Daylight
14h 8m
July records in Barstow
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 113.0°F (2013) | 51.1°F (1986) | 0.04 in (2015) |
| July 2 | 109.9°F (1990) | 51.1°F (1986) | 0.47 in (2016) |
| July 3 | 111.0°F (1991) | 60.1°F (1997) | 0.10 in (2006) |
| July 4 | 111.9°F (2007) | 61.0°F (1982) | 0.02 in (2012) |
| July 5 | 114.1°F (2007) | 57.9°F (1982) | 0.28 in (2012) |
| July 6 | 113.0°F (1985) | 48.0°F (1986) | 0.00 in (1981) |
| July 7 | 114.1°F (2024) | 57.0°F (1986) | 0.70 in (1999) |
| July 8 | 115.0°F (2024) | 55.0°F (1992) | 0.08 in (2018) |
| July 9 | 115.0°F (2024) | 44.1°F (1992) | 0.25 in (2018) |
| July 10 | 115.0°F (2024) | 54.0°F (1992) | 0.00 in (1981) |
| July 11 | 115.0°F (2021) | 50.0°F (1997) | 0.00 in (1981) |
| July 12 | 115.0°F (2021) | 54.0°F (1997) | 0.06 in (1999) |
| July 13 | 113.0°F (2021) | 55.9°F (1995) | 1.31 in (1999) |
| July 14 | 111.0°F (2003) | 50.0°F (1992) | 0.30 in (2024) |
| July 15 | 113.0°F (2024) | 60.1°F (2011) | 0.16 in (2008) |
| July 16 | 113.0°F (2023) | 59.0°F (1991) | 0.22 in (1984) |
| July 17 | 115.0°F (2023) | 55.9°F (1986) | 0.06 in (1985) |
| July 18 | 115.0°F (2023) | 53.1°F (1987) | 0.06 in (2021) |
| July 19 | 111.9°F (2005) | 53.1°F (1987) | 0.33 in (2015) |
| July 20 | 109.0°F (2010) | 57.0°F (1991) | 0.42 in (2015) |
| July 21 | 109.9°F (2023) | 53.1°F (1987) | 0.30 in (2005) |
| July 22 | 111.0°F (2006) | 52.0°F (1987) | 0.44 in (1998) |
| July 23 | 120.0°F (1996) | 55.9°F (1987) | 0.30 in (2013) |
| July 24 | 109.9°F (2006) | 55.0°F (1989) | 0.03 in (1982) |
| July 25 | 111.0°F (2018) | 57.0°F (1983) | 0.05 in (2006) |
| July 26 | 111.9°F (2018) | 55.0°F (1986) | 1.00 in (1982) |
| July 27 | 111.0°F (2018) | 50.0°F (1986) | 0.48 in (1987) |
| July 28 | 115.0°F (1995) | 55.9°F (1986) | 0.47 in (2005) |
| July 29 | 114.1°F (1995) | 57.0°F (1986) | 0.04 in (2003) |
| July 30 | 111.9°F (2016) | 57.9°F (1986) | 0.32 in (2005) |
| July 31 | 109.0°F (1982) | 55.9°F (1986) | 0.30 in (1991) |