Barstow Weather in July
Average highs run from 100°F on July 1 to 103°F on July 31, and lows from 70°F to 73°F. Normal precipitation for the month is 0.26 in over about 2 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 102°F
- Average low
- 72°F
- Precipitation
- 0.26 in
- Record high
- 118°FJul 5, 2007
- Record low
- 56°FJul 1, 1997
- Chance of a freeze
- 0%
- Days of 90°F or more
- 30.8
- Daylight
- 14 h 28 min to 13 h 54 min
- Cloud cover
- 26%
- Humidity
- 24%
- Dew point
- 40°F
- Wind
- 10.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 100°F | 70°F | 114°F 2013 | 56°F 1997 | 2% | 0% |
| Jul 2 | 101°F | 70°F | 113°F 2011 | 60°F 1992 | 2% | 0% |
| Jul 3 | 101°F | 70°F | 115°F 1991 | 57°F 1956 | 3% | 0% |
| Jul 4 | 101°F | 70°F | 117°F 1991 | 59°F 1948 | 3% | 0% |
| Jul 5 | 101°F | 71°F | 118°F 2007 | 58°F 1948 | 3% | 0% |
| Jul 6 | 101°F | 71°F | 117°F 2024 | 59°F 1948 | 3% | 0% |
| Jul 7 | 101°F | 71°F | 118°F 2024 | 58°F 1955 | 3% | 0% |
| Jul 8 | 102°F | 71°F | 118°F 2024 | 61°F 1959 | 3% | 0% |
| Jul 9 | 102°F | 71°F | 118°F 2024 | 62°F 1944 | 3% | 0% |
| Jul 10 | 102°F | 72°F | 118°F 2021 | 62°F 1983 | 4% | 0% |
| Jul 11 | 102°F | 72°F | 117°F 2021 | 61°F 1955 | 4% | 0% |
| Jul 12 | 102°F | 72°F | 115°F 2020 | 64°F 1947 | 4% | 0% |
| Jul 13 | 102°F | 72°F | 115°F 1972 | 61°F 1995 | 4% | 0% |
| Jul 14 | 102°F | 72°F | 117°F 1972 | 62°F 1956 | 4% | 0% |
| Jul 15 | 102°F | 72°F | 116°F 2023 | 62°F 1966 | 4% | 0% |
| Jul 16 | 103°F | 72°F | 117°F 2023 | 63°F 1993 | 4% | 0% |
| Jul 17 | 103°F | 72°F | 117°F 1998 | 62°F 2012 | 4% | 0% |
| Jul 18 | 103°F | 72°F | 117°F 1998 | 59°F 1987 | 4% | 0% |
| Jul 19 | 103°F | 73°F | 113°F 1960 | 59°F 1987 | 4% | 0% |
| Jul 20 | 103°F | 73°F | 112°F 2000 | 63°F 1991 | 5% | 0% |
| Jul 21 | 103°F | 73°F | 113°F 2023 | 57°F 1987 | 5% | 0% |
| Jul 22 | 103°F | 73°F | 115°F 2023 | 58°F 1987 | 5% | 0% |
| Jul 23 | 103°F | 73°F | 112°F 2000 | 61°F 1987 | 5% | 0% |
| Jul 24 | 103°F | 73°F | 114°F 2018 | 62°F 1948 | 5% | 0% |
| Jul 25 | 103°F | 73°F | 115°F 1975 | 61°F 1944 | 5% | 0% |
| Jul 26 | 103°F | 73°F | 114°F 1995 | 60°F 1944 | 5% | 0% |
| Jul 27 | 103°F | 73°F | 115°F 1995 | 61°F 1944 | 5% | 0% |
| Jul 28 | 103°F | 73°F | 117°F 1995 | 64°F 1955 | 5% | 0% |
| Jul 29 | 103°F | 73°F | 116°F 1995 | 63°F 1948 | 5% | 0% |
| Jul 30 | 103°F | 73°F | 114°F 2000 | 66°F 1948 | 5% | 0% |
| Jul 31 | 103°F | 73°F | 113°F 1977 | 65°F 1946 | 5% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:38 AM, sunset 8:06 PM
- July 31
- sunrise 5:57 AM, sunset 7:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040521 (Barstow), public domain. Records: NOAA GHCN-Daily, station USW00023161, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.