July is one of the cooler months of the year in Scottsdale, with average highs near 11.1°C and lows around 6.7°C (mean 8.9°C). It is a relatively wet time of year, averaging 90 mm of rainfall and 86% relative humidity across the period.
July is one of the cooler months of the year in Scottsdale. Across 45 years of records, the warmest July in Scottsdale was 2023 — when the month averaged 10.4°C — while the coldest was 1995 at 7.5°C. Typical July days reach 11.1°C with nights near 6.7°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Scottsdale, averaging 90 mm of rainfall. The wettest July on record was 2018 with 148 mm, while the driest was 2020 at 22 mm.
Relative humidity in Scottsdale during July averages 86%. The most humid July was 1996 at 89%, and the least humid was 2017 at 83%.
July receives about 1.8 kWh/m²/day of solar energy in Scottsdale. The sunniest July was 2020 at 2 kWh/m²/day, and the cloudiest was 1984 at 1.5.
Average wind speed in Scottsdale during July is 3.7 m/s. The windiest July was 2016 at 5.1 m/s, while the calmest was 1982 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.4°C | 8.6°C | 9.2°C | 9.2°C | 9.4°C | +1°C |
| Avg High | 10.6°C | 10.8°C | 11.4°C | 11.3°C | 11.6°C | +1°C |
| Avg Low | 6.3°C | 6.4°C | 7.0°C | 7.0°C | 7.1°C | +0.8°C |
| Avg Rain | 103 mm | 87 mm | 90 mm | 91 mm | 72 mm | -32 mm |
July temperatures in Scottsdale have risen by about 1.3°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 1.2°C (1986) to a record high of 15°C (2013).
Rainfall in July is a relatively wet time of year, averaging 90 mm, with a wettest year of 148 mm.
A quieter season to visit Scottsdale
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Scottsdale. That said, July — with days averaging 11.1°C and nights around 6.7°C (mean 8.9°C) and higher rainfall (90 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 11.9°C | 9.6°C | 7.3°C | 14.3°C | 4.0°C | 80 mm | 84% | 3.7 m/s | 1.8 |
| 2024 | 11.2°C | 8.9°C | 6.5°C | 13.6°C | 2.8°C | 121 mm | 84% | 3.3 m/s | 1.9 |
| 2023 🔥 | 12.3°C | 10.4°C | 8.4°C | 13.7°C | 4.7°C | 64 mm | 86% | 4.6 m/s | 1.7 |
| 2022 | 11.3°C | 8.8°C | 6.4°C | 13.6°C | 2.8°C | 38 mm | 85% | 3.1 m/s | 1.8 |
| 2021 | 11.3°C | 9.5°C | 7.7°C | 13.5°C | 4.3°C | 104 mm | 88% | 3.8 m/s | 1.7 |
| 2020 | 11.3°C | 8.9°C | 6.5°C | 13.1°C | 3.1°C | 22 mm | 86% | 2.9 m/s | 2 |
| 2019 | 11.7°C | 9.5°C | 7.3°C | 14.2°C | 3.2°C | 81 mm | 86% | 4.7 m/s | 1.7 |
| 2018 🌧️ | 11.3°C | 9.3°C | 7.3°C | 13.4°C | 4.0°C | 148 mm | 85% | 4.6 m/s | 1.8 |
| 2017 | 10.9°C | 8.7°C | 6.4°C | 13.2°C | 4.3°C | 75 mm | 83% | 3.7 m/s | 1.8 |
| 2016 | 11.2°C | 9.4°C | 7.6°C | 13.2°C | 3.3°C | 100 mm | 86% | 5.1 m/s | 1.8 |
| 2015 | 10.6°C | 8.2°C | 5.9°C | 12.8°C | 2.6°C | 58 mm | 84% | 4 m/s | 1.8 |
| 2014 | 12.1°C | 10.0°C | 7.8°C | 13.8°C | 4.1°C | 117 mm | 86% | 3.8 m/s | 1.7 |
| 2013 | 11.8°C | 9.8°C | 7.7°C | 15.0°C | 4.3°C | 144 mm | 87% | 3.8 m/s | 1.6 |
| 2012 | 11.4°C | 9.0°C | 6.6°C | 13.6°C | 3.5°C | 54 mm | 87% | 3.1 m/s | 1.7 |
| 2011 | 10.7°C | 8.5°C | 6.3°C | 12.6°C | 3.2°C | 50 mm | 85% | 4.3 m/s | 1.8 |
| 2010 | 11.7°C | 9.5°C | 7.4°C | 14.3°C | 4.8°C | 81 mm | 87% | 3 m/s | 1.9 |
| 2009 | 11.1°C | 9.0°C | 6.9°C | 13.9°C | 3.6°C | 98 mm | 86% | 4.2 m/s | 1.8 |
| 2008 | 11.1°C | 8.7°C | 6.4°C | 13.4°C | 4.0°C | 77 mm | 83% | 3.4 m/s | 1.8 |
| 2007 | 11.0°C | 8.7°C | 6.4°C | 13.5°C | 3.7°C | 87 mm | 87% | 3.3 m/s | 1.8 |
| 2006 | 11.2°C | 9.0°C | 6.8°C | 13.1°C | 2.9°C | 89 mm | 87% | 3.8 m/s | 1.7 |
| 2005 | 12.0°C | 9.9°C | 7.7°C | 14.0°C | 4.0°C | 97 mm | 87% | 4.2 m/s | 1.8 |
| 2004 | 10.4°C | 8.3°C | 6.1°C | 12.5°C | 2.6°C | 81 mm | 86% | 4 m/s | 1.8 |
| 2003 | 11.6°C | 9.3°C | 6.9°C | 13.5°C | 3.8°C | 95 mm | 86% | 4 m/s | 1.7 |
| 2002 | 11.7°C | 9.6°C | 7.5°C | 14.0°C | 3.0°C | 83 mm | 86% | 4.4 m/s | 1.6 |
| 2001 | 12.2°C | 10.0°C | 7.7°C | 14.5°C | 4.7°C | 62 mm | 85% | 2.9 m/s | 1.8 |
| 2000 | 11.5°C | 9.4°C | 7.2°C | 13.4°C | 3.5°C | 128 mm | 85% | 3.6 m/s | 1.6 |
| 1999 | 11.6°C | 9.5°C | 7.4°C | 13.2°C | 3.6°C | 56 mm | 86% | 3.8 m/s | 1.6 |
| 1998 | 11.1°C | 8.6°C | 6.2°C | 12.9°C | 2.7°C | 103 mm | 86% | 3.5 m/s | 1.8 |
| 1997 | 10.6°C | 8.2°C | 5.7°C | 12.6°C | 2.3°C | 33 mm | 85% | 3.7 m/s | 1.8 |
| 1996 | 10.4°C | 8.3°C | 6.1°C | 13.2°C | 2.1°C | 116 mm | 89% | 3.2 m/s | 1.6 |
| 1995 ❄️ | 9.7°C | 7.5°C | 5.4°C | 11.9°C | 2.6°C | 82 mm | 86% | 3.4 m/s | 1.7 |
| 1994 | 11.1°C | 8.8°C | 6.6°C | 13.5°C | 2.5°C | 68 mm | 86% | 3.8 m/s | 1.8 |
| 1993 | 11.3°C | 9.5°C | 7.6°C | 13.2°C | 4.1°C | 121 mm | 88% | 3.7 m/s | 1.6 |
| 1992 | 10.6°C | 8.6°C | 6.5°C | 13.2°C | 3.2°C | 108 mm | 86% | 4.3 m/s | 1.7 |
| 1991 | 11.0°C | 8.7°C | 6.3°C | 13.7°C | 1.8°C | 82 mm | 86% | 3.5 m/s | 1.8 |
| 1990 | 10.9°C | 8.7°C | 6.5°C | 13.5°C | 2.9°C | 102 mm | 86% | 4.1 m/s | 1.8 |
| 1989 | 10.6°C | 8.7°C | 6.8°C | 13.1°C | 2.0°C | 119 mm | 87% | 3.5 m/s | 1.8 |
| 1988 | 11.8°C | 9.9°C | 7.9°C | 14.0°C | 4.0°C | 140 mm | 87% | 4.1 m/s | 1.8 |
| 1987 | 10.4°C | 8.5°C | 6.5°C | 13.1°C | 3.1°C | 137 mm | 87% | 3.3 m/s | 1.7 |
| 1986 | 10.4°C | 8.2°C | 6.0°C | 12.5°C | 1.2°C | 129 mm | 88% | 3.9 m/s | 1.7 |
| 1985 | 10.2°C | 8.0°C | 5.7°C | 13.8°C | 2.3°C | 69 mm | 84% | 3.6 m/s | 1.9 |
| 1984 | 10.6°C | 8.4°C | 6.2°C | 12.8°C | 2.2°C | 94 mm | 87% | 3.2 m/s | 1.5 |
| 1983 | 10.3°C | 8.1°C | 5.8°C | 13.1°C | 1.8°C | 57 mm | 86% | 3 m/s | — |
| 1982 | 10.3°C | 7.9°C | 5.5°C | 12.3°C | 1.7°C | 61 mm | 84% | 2.7 m/s | — |
| 1981 | 10.4°C | 8.3°C | 6.3°C | 12.5°C | 2.9°C | 124 mm | 86% | 3.9 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 11.1°C with lows near 6.7°C (mean 8.9°C), based on 45 years of NASA POWER data.
July averages 90 mm of rainfall in Scottsdale, a relatively wet time of year. The wettest on record was 148 mm in 2018.
The hottest July reached 15°C in 2013. The coldest dipped to 1.2°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.3°C. Daytime highs moved from 10.4°C to 11.6°C and overnight lows from 5.9°C to 7.3°C over the same span.
July is one of the cooler months of the year in Scottsdale and a relatively wet time of year, so plan for around 11.1°C daytime highs and 6.7°C at night.
Yes — July is the coldest month of the year in Scottsdale, averaging 8.9°C.
For July in Scottsdale, pack warm layers and a jacket for chilly mornings, with typical highs of 11.1°C and lows of 6.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 86% — quite humid.
Average wind speed in July is 3.7 m/s. The windiest July on record averaged 5.1 m/s (2016).
The wettest July on record was 2018 with 148 mm. On average, July sees 90 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 Scottsdale 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.
