Barstow weather in July: Barstow, California: normal highs, lows, rain and records for July
Barstow in July has a normal high of 105°F and a normal low of 74°F, a daily mean of 90°F, rising from 104°F on the 1st to 105°F by the 31st. Measurable precipitation falls on 2 days in a normal July, 0.28 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 41°C and low of 23°C, 7 mm of precipitation in July.
- NOAA stationBarstow Daggett Airport
- Station IDUSW00023161
- Location34.85°N 116.79°W
- Elevation1,917 ft (584 m)
- Population24,897
- Jan 61° 36°
- Feb 66° 40°
- Mar 73° 46°
- Apr 80° 51°
- May 89° 60°
- Jun 99° 68°
- Jul 105° 74°
- Aug 104° 73°
- Sep 96° 66°
- Oct 83° 54°
- Nov 70° 43°
- Dec 60° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Barstow in July?
The normal high is 105°F and the normal low 74°F, for a daily mean of 89.6°F. July is 6.0°F warmer than June and 1.1°F warmer than August. July is the warmest month of the year in Barstow and the 6th wettest. Across the month the normal high rises 1°F, from 104°F on July 1 to 105°F on July 31. From one year to the next July's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Julys in three average between 87°F and 92°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 5%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 104°F | 72°F | 2% | 1% |
| July 8 | 105°F | 74°F | 3% | 2% |
| July 15 | 105°F | 75°F | 4% | 2% |
| July 22 | 106°F | 75°F | 5% | 2% |
| July 31 | 105°F | 75°F | 5% | 2% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 19, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 104°F | 72°F | 2% | 1% | 14 h 30 min |
| July 2 | 104°F | 72°F | 3% | 2% | 14 h 30 min |
| July 3 | 104°F | 73°F | 3% | 2% | 14 h 30 min |
| July 4 | 104°F | 73°F | 3% | 2% | 14 h 30 min |
| July 5 | 104°F | 73°F | 3% | 2% | 14 h 30 min |
| July 6 | 104°F | 73°F | 3% | 2% | 14 h 30 min |
| July 7 | 104°F | 73°F | 3% | 2% | 14 h 20 min |
| July 8 | 105°F | 74°F | 3% | 2% | 14 h 20 min |
| July 9 | 105°F | 74°F | 4% | 2% | 14 h 20 min |
| July 10 | 105°F | 74°F | 4% | 2% | 14 h 20 min |
| July 11 | 105°F | 74°F | 4% | 2% | 14 h 20 min |
| July 12 | 105°F | 74°F | 4% | 2% | 14 h 20 min |
| July 13 | 105°F | 74°F | 4% | 2% | 14 h 20 min |
| July 14 | 105°F | 74°F | 4% | 2% | 14 h 20 min |
| July 15 | 105°F | 75°F | 4% | 2% | 14 h 20 min |
| July 16 | 105°F | 75°F | 4% | 2% | 14 h 20 min |
| July 17 | 105°F | 75°F | 4% | 2% | 14 h 20 min |
| July 18 | 105°F | 75°F | 4% | 2% | 14 h 10 min |
| July 19 | 106°F | 75°F | 4% | 2% | 14 h 10 min |
| July 20 | 106°F | 75°F | 5% | 2% | 14 h 10 min |
| July 21 | 106°F | 75°F | 5% | 2% | 14 h 10 min |
| July 22 | 106°F | 75°F | 5% | 2% | 14 h 10 min |
| July 23 | 106°F | 75°F | 5% | 2% | 14 h 10 min |
| July 24 | 106°F | 75°F | 5% | 2% | 14 h 10 min |
| July 25 | 106°F | 75°F | 5% | 2% | 14 h 10 min |
| July 26 | 106°F | 75°F | 5% | 2% | 14 h |
| July 27 | 106°F | 75°F | 5% | 2% | 14 h |
| July 28 | 106°F | 75°F | 5% | 2% | 14 h |
| July 29 | 106°F | 75°F | 5% | 2% | 14 h |
| July 30 | 105°F | 75°F | 5% | 2% | 14 h |
| July 31 | 105°F | 75°F | 5% | 2% | 14 h |
- Normal high
- 105°FJuly average
- Normal low
- 74°FJuly average
- Precipitation
- 0.28 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 31
- Daylight
- 14 h 30 min to 14 hJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 93%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023161; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Barstow in July?
On a given July day the chance of 0.01 inch or more is 4% on average, highest around July 28 (5%). In all, 0.28 in falls on 2 days of a normal July.
In a normal July in Barstow, 31 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023161.
How humid and windy is Barstow in July?
At 3 p.m. the normal temperature is 104°F with 14% relative humidity and a dew point of 44°F; at 6 a.m. it is 77°F with 33% humidity. The wind averages 11.1 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 77°F | 45°F | 33% | 9.3 mph | 93% |
| 9 a.m. | 90°F | 45°F | 21% | 10.1 mph | 92% |
| noon | 100°F | 44°F | 15% | 8.7 mph | 89% |
| 3 p.m. | 104°F | 44°F | 14% | 10.3 mph | 86% |
| 6 p.m. | 100°F | 44°F | 15% | 14.8 mph | 88% |
| 9 p.m. | 90°F | 44°F | 21% | 13.9 mph | 92% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023161. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Barstow?
The warmest July temperature on this station's record (since 1943) is 118°F, on July 5, 2007; the coldest is 56°F, on July 1, 1997. The wettest July brought 3.20 in (1984).
The July mean against the 1991-2020 normal of 89.6°F: 2021 93.3°F (+3.7), 2022 91.4°F (+1.8), 2023 93.4°F (+3.8), 2024 95.3°F (+5.7), 2025 88.7°F (−0.9), 2026 91.3°F (+1.8). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 93.3°F | +3.7°F | 0.22 in |
| 2022 | 91.4°F | +1.8°F | 0.62 in |
| 2023 | 93.4°F | +3.8°F | 0.00 in |
| 2024 | 95.3°F | +5.7°F | 0.07 in |
| 2025 | 88.7°F | −0.9°F | 0.00 in |
| 2026 | 91.3°F | +1.8°F | 0.00 in |
Source: records: ACIS, station USW00023161; recent months: ACIS, station USW00023161. Records and recent months use complete months only.
How does July in Barstow compare across California?
Across the 219 places PlainClimate covers in California, July normal highs run from 62°F in Bodega to 111°F in Needles; Barstow's is 105°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.