July is one of the warmer months of the year in Glendale, with average highs near 41.3°C and lows around 27.1°C (mean 34.2°C). It is about average for rainfall, averaging 26 mm of rainfall and 28% relative humidity across the period.
July is one of the warmer months of the year in Glendale. Across 45 years of records, the warmest July in Glendale was 2023 — when the month averaged 37.3°C — while the coldest was 1992 at 32.2°C. Typical July days reach 41.3°C with nights near 27.1°C. The long-term trend is warming, about 0.5°C per decade.
July is about average for rainfall in Glendale, averaging 26 mm of rainfall. The wettest July on record was 1984 with 78 mm, while the driest was 1993 at 1 mm.
Relative humidity in Glendale during July averages 28%. The most humid July was 1984 at 45%, and the least humid was 2023 at 18%.
July receives about 7.4 kWh/m²/day of solar energy in Glendale. The sunniest July was 2005 at 8.1 kWh/m²/day, and the cloudiest was 1988 at 6.6.
Average wind speed in Glendale during July is 2.3 m/s. The windiest July was 1993 at 2.8 m/s, while the calmest was 2008 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 33.5°C | 33.5°C | 34.6°C | 34.3°C | 35.6°C | +2.1°C |
| Avg High | 40.6°C | 40.8°C | 41.6°C | 41.1°C | 42.9°C | +2.3°C |
| Avg Low | 26.4°C | 26.3°C | 27.6°C | 27.5°C | 28.4°C | +2°C |
| Avg Rain | 30 mm | 26 mm | 23 mm | 26 mm | 23 mm | -7 mm |
July temperatures in Glendale have risen by about 1.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 19°C (1987) to a record high of 50.9°C (1995).
Rainfall in July is about average for rainfall, averaging 26 mm, with a wettest year of 78 mm.
A quieter season to visit Glendale
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting Glendale. That said, July — with days averaging 41.3°C and nights around 27.1°C (mean 34.2°C) and low rainfall (26 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 42.5°C | 34.9°C | 27.4°C | 48.3°C | 23.6°C | 10 mm | 20% | 2.4 m/s | 7.7 |
| 2024 | 44.4°C | 36.7°C | 29.0°C | 47.7°C | 26.0°C | 13 mm | 24% | 2.3 m/s | 7.7 |
| 2023 🔥 | 45.0°C | 37.3°C | 29.5°C | 47.9°C | 25.2°C | 4 mm | 18% | 2.5 m/s | 7.8 |
| 2022 | 41.7°C | 35.0°C | 28.2°C | 46.0°C | 24.7°C | 33 mm | 28% | 2.1 m/s | 7.3 |
| 2021 | 39.9°C | 33.8°C | 27.8°C | 45.9°C | 22.8°C | 73 mm | 39% | 2 m/s | 6.7 |
| 2020 | 43.8°C | 36.0°C | 28.2°C | 48.7°C | 21.4°C | 3 mm | 19% | 2.4 m/s | 7.8 |
| 2019 | 42.6°C | 35.1°C | 27.7°C | 46.0°C | 22.8°C | 12 mm | 21% | 2.5 m/s | 7.7 |
| 2018 | 41.5°C | 34.7°C | 27.8°C | 47.0°C | 22.0°C | 32 mm | 32% | 2.1 m/s | 7.5 |
| 2017 | 40.7°C | 34.2°C | 27.7°C | 47.8°C | 24.6°C | 48 mm | 35% | 2 m/s | 7.4 |
| 2016 | 42.8°C | 35.5°C | 28.2°C | 45.5°C | 25.0°C | 13 mm | 23% | 2.3 m/s | 7.9 |
| 2015 | 39.9°C | 33.1°C | 26.3°C | 43.6°C | 21.9°C | 18 mm | 30% | 2.4 m/s | 7.4 |
| 2014 | 41.3°C | 34.6°C | 27.9°C | 46.1°C | 25.0°C | 19 mm | 27% | 2.1 m/s | 7.5 |
| 2013 | 40.4°C | 33.9°C | 27.5°C | 45.9°C | 24.2°C | 24 mm | 33% | 2.2 m/s | 7 |
| 2012 | 39.8°C | 33.2°C | 26.6°C | 45.6°C | 23.2°C | 40 mm | 34% | 2.1 m/s | 7.1 |
| 2011 | 41.2°C | 34.1°C | 27.0°C | 47.5°C | 20.8°C | 31 mm | 29% | 2.2 m/s | 7.8 |
| 2010 | 41.2°C | 34.6°C | 28.0°C | 45.6°C | 22.8°C | 24 mm | 29% | 2.2 m/s | 7.1 |
| 2009 | 42.5°C | 35.4°C | 28.4°C | 45.8°C | 26.1°C | 18 mm | 26% | 2.2 m/s | 7.6 |
| 2008 | 40.1°C | 33.6°C | 27.1°C | 45.3°C | 24.9°C | 36 mm | 35% | 1.9 m/s | 7.5 |
| 2007 | 40.4°C | 33.8°C | 27.3°C | 46.1°C | 23.7°C | 37 mm | 33% | 2.1 m/s | 7.2 |
| 2006 | 41.0°C | 34.8°C | 28.7°C | 46.9°C | 25.8°C | 29 mm | 33% | 2.3 m/s | 7.1 |
| 2005 | 43.0°C | 35.5°C | 28.0°C | 47.9°C | 24.2°C | 23 mm | 24% | 2.3 m/s | 8.1 |
| 2004 | 41.6°C | 34.1°C | 26.7°C | 45.1°C | 20.2°C | 17 mm | 24% | 2.3 m/s | 7.8 |
| 2003 | 42.8°C | 35.3°C | 27.9°C | 47.0°C | 24.9°C | 21 mm | 25% | 2.5 m/s | 7.6 |
| 2002 | 41.7°C | 34.6°C | 27.6°C | 45.1°C | 24.5°C | 22 mm | 25% | 2.3 m/s | 7.4 |
| 2001 | 40.9°C | 34.0°C | 27.2°C | 47.6°C | 22.4°C | 22 mm | 28% | 2.3 m/s | 7.4 |
| 2000 | 42.4°C | 34.6°C | 26.7°C | 46.3°C | 22.6°C | 6 mm | 19% | 2.5 m/s | 7.8 |
| 1999 | 38.7°C | 32.5°C | 26.3°C | 44.6°C | 23.4°C | 64 mm | 41% | 2.1 m/s | 6.9 |
| 1998 | 41.7°C | 34.6°C | 27.5°C | 48.6°C | 24.7°C | 36 mm | 31% | 2.2 m/s | 7.9 |
| 1997 | 41.7°C | 33.7°C | 25.7°C | 46.1°C | 21.2°C | 3 mm | 19% | 2.4 m/s | 7.9 |
| 1996 | 41.7°C | 34.8°C | 28.0°C | 46.3°C | 25.4°C | 31 mm | 31% | 2.2 m/s | 7.5 |
| 1995 | 42.6°C | 34.6°C | 26.6°C | 50.9°C | 20.0°C | 3 mm | 20% | 2.2 m/s | 7.6 |
| 1994 | 41.9°C | 34.3°C | 26.7°C | 45.3°C | 22.6°C | 17 mm | 24% | 2.3 m/s | 7.4 |
| 1993 | 40.3°C | 32.5°C | 24.8°C | 45.4°C | 20.6°C | 1 mm | 26% | 2.8 m/s | 7.9 |
| 1992 ❄️ | 39.2°C | 32.2°C | 25.3°C | 44.5°C | 19.2°C | 45 mm | 32% | 2.2 m/s | 7.2 |
| 1991 | 41.0°C | 33.2°C | 25.4°C | 44.4°C | 22.9°C | 6 mm | 23% | 2.6 m/s | 6.9 |
| 1990 | 39.3°C | 32.9°C | 26.5°C | 46.1°C | 23.5°C | 58 mm | 40% | 2.1 m/s | 7 |
| 1989 | 42.1°C | 34.8°C | 27.5°C | 47.1°C | 24.8°C | 23 mm | 27% | 2.3 m/s | 7.5 |
| 1988 | 41.0°C | 34.2°C | 27.4°C | 44.7°C | 24.9°C | 22 mm | 30% | 2.4 m/s | 6.6 |
| 1987 | 40.7°C | 32.5°C | 24.2°C | 45.2°C | 19.0°C | 15 mm | 23% | 2.4 m/s | 7.4 |
| 1986 | 39.3°C | 32.4°C | 25.4°C | 45.7°C | 22.1°C | 33 mm | 31% | 2.4 m/s | 7.5 |
| 1985 | 41.6°C | 34.1°C | 26.7°C | 47.6°C | 23.0°C | 30 mm | 28% | 2.3 m/s | 7.6 |
| 1984 🌧️ | 37.9°C | 32.3°C | 26.6°C | 45.9°C | 23.6°C | 78 mm | 45% | 2 m/s | 7 |
| 1983 | 41.0°C | 33.7°C | 26.3°C | 46.0°C | 21.4°C | 14 mm | 27% | 2.6 m/s | — |
| 1982 | 40.2°C | 33.0°C | 25.8°C | 45.1°C | 20.5°C | 28 mm | 28% | 2.3 m/s | — |
| 1981 | 41.7°C | 34.8°C | 28.0°C | 46.7°C | 24.0°C | 25 mm | 31% | 2.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 41.3°C with lows near 27.1°C (mean 34.2°C), based on 45 years of NASA POWER data.
July averages 26 mm of rainfall in Glendale, about average for rainfall. The wettest on record was 78 mm in 1984.
The hottest July reached 50.9°C in 1995. The coldest dipped to 19°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.9°C. Daytime highs moved from 40.5°C to 42.7°C and overnight lows from 26.7°C to 28.4°C over the same span.
July is one of the warmer months of the year in Glendale and about average for rainfall, so plan for around 41.3°C daytime highs and 27.1°C at night.
Not quite — July is the 12th coolest month in Glendale, averaging 34.2°C.
For July in Glendale, pack light, breathable clothing and sun protection, with typical highs of 41.3°C and lows of 27.1°C.
Relative humidity in July averages 28% — relatively dry.
Average wind speed in July is 2.3 m/s. The windiest July on record averaged 2.8 m/s (1993).
The wettest July on record was 1984 with 78 mm. On average, July sees 26 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 Glendale 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.
