July is one of the warmer months of the year in Prescott, with average highs near 33.3°C and lows around 18.7°C (mean 26°C). It is a relatively wet time of year, averaging 50 mm of rainfall and 38% relative humidity across the period.
July is one of the warmer months of the year in Prescott. Across 45 years of records, the warmest July in Prescott was 2023 — when the month averaged 29.3°C — while the coldest was 1986 at 23.7°C. Typical July days reach 33.3°C with nights near 18.7°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Prescott, averaging 50 mm of rainfall. The wettest July on record was 2021 with 128 mm, while the driest was 1993 at 1 mm.
Relative humidity in Prescott during July averages 38%. The most humid July was 1984 at 56%, and the least humid was 1997 at 25%.
July receives about 7.2 kWh/m²/day of solar energy in Prescott. The sunniest July was 1993 at 8.1 kWh/m²/day, and the cloudiest was 2013 at 6.3.
Average wind speed in Prescott during July is 1.8 m/s. The windiest July was 1993 at 2.3 m/s, while the calmest were 2008, 2017 and 2021, among others at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.1°C | 25.3°C | 26.7°C | 25.9°C | 27.6°C | +2.5°C |
| Avg High | 32.3°C | 32.8°C | 34.0°C | 32.8°C | 35.1°C | +2.8°C |
| Avg Low | 17.9°C | 17.8°C | 19.4°C | 19.0°C | 20.1°C | +2.2°C |
| Avg Rain | 53 mm | 44 mm | 43 mm | 64 mm | 45 mm | -8 mm |
July temperatures in Prescott have risen by about 2.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 10.5°C (1992) to a record high of 42°C (2023).
Rainfall in July is a relatively wet time of year, averaging 50 mm, with a wettest year of 128 mm.
A good time to visit Prescott
July is a good time to visit Prescott, with days averaging 33.3°C and nights around 18.7°C (mean 26°C, warmer than Prescott's yearly average) and moderate rainfall. September and June 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 | 34.5°C | 26.8°C | 19.1°C | 39.7°C | 16.5°C | 20 mm | 28% | 2.1 m/s | 7.7 |
| 2024 | 37.5°C | 29.1°C | 20.7°C | 41.5°C | 17.9°C | 36 mm | 31% | 1.9 m/s | 7.6 |
| 2023 🔥 | 37.3°C | 29.3°C | 21.4°C | 42.0°C | 18.0°C | 18 mm | 26% | 2.1 m/s | 7.8 |
| 2022 | 34.0°C | 27.0°C | 19.9°C | 39.1°C | 16.2°C | 49 mm | 40% | 1.8 m/s | 6.8 |
| 2021 🌧️ | 32.2°C | 25.8°C | 19.4°C | 40.8°C | 16.3°C | 128 mm | 52% | 1.5 m/s | 6.4 |
| 2020 | 35.2°C | 27.6°C | 19.9°C | 41.4°C | 13.7°C | 19 mm | 28% | 1.9 m/s | 7.8 |
| 2019 | 34.5°C | 27.0°C | 19.4°C | 37.8°C | 13.8°C | 24 mm | 29% | 2 m/s | 7.6 |
| 2018 | 33.3°C | 26.4°C | 19.5°C | 38.8°C | 15.5°C | 93 mm | 47% | 1.6 m/s | 7 |
| 2017 | 32.4°C | 25.9°C | 19.4°C | 38.9°C | 16.4°C | 100 mm | 48% | 1.5 m/s | 6.9 |
| 2016 | 34.0°C | 26.9°C | 19.8°C | 38.3°C | 16.5°C | 43 mm | 35% | 1.9 m/s | 7.7 |
| 2015 | 30.8°C | 24.0°C | 17.3°C | 34.8°C | 12.2°C | 54 mm | 44% | 1.9 m/s | 7.3 |
| 2014 | 32.9°C | 26.0°C | 19.1°C | 38.0°C | 17.4°C | 52 mm | 41% | 1.6 m/s | 6.7 |
| 2013 | 32.4°C | 25.8°C | 19.2°C | 38.7°C | 17.5°C | 66 mm | 47% | 1.6 m/s | 6.3 |
| 2012 | 31.8°C | 25.2°C | 18.6°C | 38.9°C | 15.0°C | 87 mm | 45% | 1.7 m/s | 6.8 |
| 2011 | 33.3°C | 25.9°C | 18.5°C | 39.2°C | 13.7°C | 56 mm | 39% | 1.9 m/s | 7.5 |
| 2010 | 32.9°C | 26.2°C | 19.5°C | 38.5°C | 13.8°C | 63 mm | 42% | 1.8 m/s | 6.7 |
| 2009 | 34.2°C | 27.1°C | 19.9°C | 38.2°C | 17.2°C | 42 mm | 37% | 1.8 m/s | 7.4 |
| 2008 | 32.7°C | 25.8°C | 18.9°C | 38.0°C | 16.8°C | 64 mm | 46% | 1.5 m/s | 7.1 |
| 2007 | 33.5°C | 26.3°C | 19.1°C | 40.9°C | 16.9°C | 79 mm | 40% | 1.7 m/s | 6.9 |
| 2006 | 33.2°C | 26.5°C | 19.8°C | 39.1°C | 16.0°C | 64 mm | 47% | 1.6 m/s | 6.6 |
| 2005 | 35.0°C | 27.2°C | 19.5°C | 41.1°C | 15.1°C | 44 mm | 32% | 1.8 m/s | 7.8 |
| 2004 | 33.7°C | 26.2°C | 18.7°C | 37.2°C | 12.4°C | 39 mm | 32% | 1.8 m/s | 7.6 |
| 2003 | 35.9°C | 28.1°C | 20.3°C | 41.5°C | 16.8°C | 34 mm | 30% | 1.9 m/s | 7.4 |
| 2002 | 34.1°C | 26.9°C | 19.7°C | 39.8°C | 17.4°C | 28 mm | 34% | 1.8 m/s | 7.1 |
| 2001 | 32.8°C | 25.9°C | 18.9°C | 38.9°C | 14.2°C | 28 mm | 35% | 1.9 m/s | 7.3 |
| 2000 | 34.5°C | 26.7°C | 18.9°C | 39.2°C | 15.0°C | 7 mm | 25% | 2.1 m/s | 7.9 |
| 1999 | 31.0°C | 24.4°C | 17.8°C | 37.1°C | 15.1°C | 88 mm | 51% | 1.8 m/s | 6.7 |
| 1998 | 33.5°C | 26.1°C | 18.8°C | 39.6°C | 16.4°C | 69 mm | 43% | 1.8 m/s | 7.5 |
| 1997 | 33.9°C | 25.6°C | 17.3°C | 40.1°C | 12.1°C | 12 mm | 25% | 2 m/s | 7.9 |
| 1996 | 33.8°C | 26.6°C | 19.5°C | 37.9°C | 16.4°C | 57 mm | 43% | 1.6 m/s | 7.1 |
| 1995 | 34.5°C | 26.2°C | 17.8°C | 41.7°C | 14.0°C | 12 mm | 28% | 1.9 m/s | 7.5 |
| 1994 | 33.8°C | 26.4°C | 18.9°C | 37.2°C | 15.2°C | 28 mm | 31% | 1.9 m/s | 7.5 |
| 1993 | 31.6°C | 23.8°C | 15.9°C | 35.8°C | 12.3°C | 1 mm | 34% | 2.3 m/s | 8.1 |
| 1992 | 31.4°C | 24.2°C | 17.0°C | 36.3°C | 10.5°C | 42 mm | 42% | 1.9 m/s | 7.3 |
| 1991 | 33.2°C | 25.3°C | 17.5°C | 37.8°C | 15.0°C | 33 mm | 34% | 1.9 m/s | 7.3 |
| 1990 | 31.7°C | 24.7°C | 17.8°C | 39.0°C | 15.5°C | 101 mm | 50% | 1.7 m/s | 7.1 |
| 1989 | 33.6°C | 26.2°C | 18.7°C | 40.1°C | 14.9°C | 50 mm | 37% | 1.8 m/s | 7.4 |
| 1988 | 33.3°C | 26.0°C | 18.7°C | 37.6°C | 15.6°C | 47 mm | 41% | 1.7 m/s | 6.6 |
| 1987 | 31.9°C | 24.0°C | 16.1°C | 36.9°C | 11.1°C | 34 mm | 32% | 2.1 m/s | 7.4 |
| 1986 ❄️ | 30.9°C | 23.7°C | 16.5°C | 37.0°C | 12.1°C | 60 mm | 43% | 1.9 m/s | 7.4 |
| 1985 | 33.8°C | 26.2°C | 18.5°C | 40.0°C | 14.4°C | 63 mm | 39% | 1.7 m/s | 7.2 |
| 1984 | 30.2°C | 24.3°C | 18.3°C | 38.2°C | 16.3°C | 87 mm | 56% | 1.5 m/s | 6.7 |
| 1983 | 31.8°C | 24.5°C | 17.3°C | 37.2°C | 12.6°C | 45 mm | 41% | 2 m/s | — |
| 1982 | 32.0°C | 24.7°C | 17.3°C | 36.9°C | 11.1°C | 34 mm | 37% | 1.9 m/s | — |
| 1981 | 33.3°C | 26.3°C | 19.3°C | 39.9°C | 16.8°C | 54 mm | 41% | 1.8 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.3°C with lows near 18.7°C (mean 26°C), based on 45 years of NASA POWER data.
July averages 50 mm of rainfall in Prescott, a relatively wet time of year. The wettest on record was 128 mm in 2021.
The hottest July reached 42°C in 2023. The coldest dipped to 10.5°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.4°C. Daytime highs moved from 32.2°C to 35.1°C and overnight lows from 18.1°C to 20.1°C over the same span.
July is one of the warmer months of the year in Prescott and a relatively wet time of year, so plan for around 33.3°C daytime highs and 18.7°C at night.
Not quite — July is the 12th coolest month in Prescott, averaging 26°C.
For July in Prescott, pack light, breathable clothing and sun protection, with typical highs of 33.3°C and lows of 18.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 38% — relatively dry.
Average wind speed in July is 1.8 m/s. The windiest July on record averaged 2.3 m/s (1993).
The wettest July on record was 2021 with 128 mm. On average, July sees 50 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 Prescott 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.
