July is one of the warmer months of the year in Victorville, with average highs near 36.1°C and lows around 17.9°C (mean 27°C). It is one of the drier months, averaging 6 mm of rainfall and 30% relative humidity across the period.
July is one of the warmer months of the year in Victorville. Across 45 years of records, the warmest July in Victorville was 2024 — when the month averaged 30.9°C — while the coldest was 1993 at 23.2°C. Typical July days reach 36.1°C with nights near 17.9°C. The long-term trend is warming, about 0.7°C per decade.
July is one of the drier months in Victorville, averaging 6 mm of rainfall. The wettest July on record was 1984 with 35 mm, while the driest were 2004, 2020 and 2023, among others at 0 mm.
Relative humidity in Victorville during July averages 30%. The most humid July was 2015 at 44%, and the least humid was 1981 at 19%.
July receives about 7.8 kWh/m²/day of solar energy in Victorville. The sunniest July was 2020 at 8.5 kWh/m²/day, and the cloudiest was 1984 at 6.6.
Average wind speed in Victorville during July is 2.3 m/s. The windiest Julys were 1993 and 2016 at 2.6 m/s, while the calmest was 1984 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.1°C | 26.0°C | 27.7°C | 27.2°C | 28.5°C | +2.4°C |
| Avg High | 35.4°C | 35.2°C | 37.0°C | 36.1°C | 37.5°C | +2.1°C |
| Avg Low | 16.8°C | 16.8°C | 18.5°C | 18.4°C | 19.4°C | +2.6°C |
| Avg Rain | 7 mm | 6 mm | 5 mm | 6 mm | 2 mm | -5 mm |
July temperatures in Victorville have risen by about 2.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.3°C (1987) to a record high of 44.4°C (2024).
Rainfall in July is one of the drier months, averaging 6 mm, with a wettest year of 35 mm.
A good time to visit Victorville
July is a good time to visit Victorville, with days averaging 36.1°C and nights around 17.9°C (mean 27°C, warmer than Victorville's yearly average) and low rainfall. June and September are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 35.7°C | 26.1°C | 16.5°C | 40.6°C | 10.9°C | 2 mm | 30% | 2.5 m/s | 8.3 |
| 2024 🔥 | 40.1°C | 30.9°C | 21.7°C | 44.4°C | 15.1°C | 1 mm | 21% | 2.1 m/s | 7.9 |
| 2023 | 38.2°C | 29.2°C | 20.1°C | 43.2°C | 12.7°C | 0 mm | 25% | 2.3 m/s | 8 |
| 2022 | 36.9°C | 28.4°C | 19.8°C | 41.6°C | 12.5°C | 6 mm | 28% | 2.3 m/s | 7.9 |
| 2021 | 37.4°C | 29.3°C | 21.2°C | 43.2°C | 18.2°C | 6 mm | 26% | 2.2 m/s | 7.5 |
| 2020 | 36.8°C | 27.0°C | 17.2°C | 41.1°C | 11.5°C | 0 mm | 25% | 2.5 m/s | 8.5 |
| 2019 | 35.9°C | 26.7°C | 17.5°C | 40.6°C | 11.8°C | 1 mm | 28% | 2.3 m/s | 8.2 |
| 2018 | 38.0°C | 29.6°C | 21.2°C | 42.5°C | 14.1°C | 4 mm | 30% | 2.1 m/s | 7.6 |
| 2017 | 37.9°C | 29.0°C | 20.1°C | 42.5°C | 15.6°C | 1 mm | 26% | 2.2 m/s | 7.9 |
| 2016 | 37.4°C | 27.9°C | 18.4°C | 42.4°C | 13.4°C | 0 mm | 23% | 2.6 m/s | 8.4 |
| 2015 | 32.9°C | 24.7°C | 16.4°C | 37.2°C | 12.0°C | 31 mm | 44% | 2.3 m/s | 7.6 |
| 2014 | 36.2°C | 27.4°C | 18.7°C | 40.9°C | 13.6°C | 3 mm | 30% | 2.3 m/s | 7.6 |
| 2013 | 36.2°C | 27.7°C | 19.3°C | 40.1°C | 15.7°C | 6 mm | 28% | 2.2 m/s | 7.1 |
| 2012 | 35.2°C | 26.2°C | 17.2°C | 41.0°C | 10.3°C | 6 mm | 26% | 2.1 m/s | 7.9 |
| 2011 | 34.9°C | 26.0°C | 17.0°C | 40.4°C | 10.5°C | 10 mm | 35% | 2.2 m/s | 7.9 |
| 2010 | 36.6°C | 27.2°C | 17.7°C | 40.4°C | 12.4°C | 2 mm | 30% | 2.4 m/s | 8.1 |
| 2009 | 37.8°C | 28.6°C | 19.4°C | 42.7°C | 13.5°C | 1 mm | 24% | 2.3 m/s | 8.1 |
| 2008 | 36.9°C | 27.7°C | 18.6°C | 41.6°C | 15.3°C | 11 mm | 31% | 2.1 m/s | 7.8 |
| 2007 | 37.4°C | 28.0°C | 18.6°C | 43.2°C | 14.7°C | 1 mm | 26% | 2.1 m/s | 7.9 |
| 2006 | 37.6°C | 29.4°C | 21.2°C | 41.7°C | 15.5°C | 7 mm | 33% | 2.2 m/s | 7.4 |
| 2005 | 37.5°C | 28.6°C | 19.7°C | 42.6°C | 13.7°C | 10 mm | 35% | 2.2 m/s | 7.9 |
| 2004 | 36.4°C | 26.9°C | 17.3°C | 39.6°C | 11.0°C | 0 mm | 27% | 2.4 m/s | 8.2 |
| 2003 | 37.9°C | 28.7°C | 19.6°C | 42.3°C | 13.7°C | 7 mm | 27% | 2.2 m/s | 7.5 |
| 2002 | 37.6°C | 28.1°C | 18.6°C | 44.1°C | 13.7°C | 3 mm | 27% | 2.3 m/s | 8 |
| 2001 | 34.8°C | 25.6°C | 16.4°C | 41.6°C | 10.4°C | 4 mm | 34% | 2.4 m/s | 8 |
| 2000 | 35.8°C | 25.8°C | 15.9°C | 41.1°C | 9.6°C | 1 mm | 29% | 2.5 m/s | 8.3 |
| 1999 | 33.9°C | 25.3°C | 16.7°C | 38.9°C | 11.6°C | 23 mm | 34% | 2.3 m/s | 7.9 |
| 1998 | 35.5°C | 26.3°C | 17.0°C | 41.5°C | 11.1°C | 4 mm | 37% | 2.2 m/s | 8.4 |
| 1997 | 35.2°C | 25.4°C | 15.6°C | 40.3°C | 9.8°C | 4 mm | 32% | 2.3 m/s | 8.2 |
| 1996 | 37.4°C | 28.4°C | 19.4°C | 41.1°C | 12.3°C | 3 mm | 29% | 2.3 m/s | 8 |
| 1995 | 35.4°C | 26.3°C | 17.2°C | 42.4°C | 10.6°C | 2 mm | 30% | 2.2 m/s | 7.4 |
| 1994 | 36.5°C | 27.2°C | 17.9°C | 40.0°C | 11.9°C | 0 mm | 29% | 2.4 m/s | 7.3 |
| 1993 ❄️ | 32.9°C | 23.2°C | 13.5°C | 38.6°C | 10.7°C | 0 mm | 42% | 2.6 m/s | 7.8 |
| 1992 | 33.6°C | 25.0°C | 16.4°C | 38.4°C | 9.7°C | 9 mm | 39% | 2.4 m/s | 7.1 |
| 1991 | 35.2°C | 25.6°C | 16.0°C | 41.5°C | 11.3°C | 11 mm | 34% | 2.1 m/s | 7.4 |
| 1990 | 36.3°C | 27.1°C | 18.0°C | 40.0°C | 12.6°C | 4 mm | 29% | 2.4 m/s | 7.4 |
| 1989 | 37.6°C | 27.6°C | 17.5°C | 41.8°C | 11.6°C | 0 mm | 23% | 2.3 m/s | 7.9 |
| 1988 | 37.1°C | 27.7°C | 18.2°C | 41.0°C | 12.8°C | 1 mm | 31% | 2.3 m/s | 6.7 |
| 1987 | 33.3°C | 23.6°C | 13.9°C | 39.2°C | 8.3°C | 3 mm | 32% | 2.5 m/s | 7.4 |
| 1986 | 33.9°C | 24.7°C | 15.5°C | 37.8°C | 10.8°C | 6 mm | 30% | 2.5 m/s | 7.7 |
| 1985 | 37.0°C | 27.8°C | 18.5°C | 41.7°C | 12.8°C | 8 mm | 24% | 2.2 m/s | 7.3 |
| 1984 🌧️ | 35.2°C | 27.3°C | 19.4°C | 41.9°C | 13.7°C | 35 mm | 36% | 1.7 m/s | 6.6 |
| 1983 | 33.3°C | 23.7°C | 14.1°C | 39.1°C | 9.9°C | 0 mm | 31% | 2.4 m/s | — |
| 1982 | 34.3°C | 25.1°C | 15.9°C | 40.4°C | 8.7°C | 9 mm | 31% | 2.2 m/s | — |
| 1981 | 36.5°C | 27.2°C | 17.9°C | 39.0°C | 14.8°C | 1 mm | 19% | 2.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 36.1°C with lows near 17.9°C (mean 27°C), based on 45 years of NASA POWER data.
July averages 6 mm of rainfall in Victorville, one of the drier months. The wettest on record was 35 mm in 1984.
The hottest July reached 44.4°C in 2024. The coldest dipped to 8.3°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.6°C. Daytime highs moved from 35.3°C to 37.7°C and overnight lows from 17.2°C to 19.9°C over the same span.
July is one of the warmer months of the year in Victorville and one of the drier months, so plan for around 36.1°C daytime highs and 17.9°C at night.
Not quite — July is the 11th coolest month in Victorville, averaging 27°C.
For July in Victorville, pack light, breathable clothing and sun protection, with typical highs of 36.1°C and lows of 17.9°C.
Relative humidity in July averages 30% — relatively dry.
Average wind speed in July is 2.3 m/s. The windiest July on record averaged 2.6 m/s (1993).
The wettest July on record was 1984 with 35 mm. On average, July sees 6 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Victorville behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.
