July is one of the warmer months of the year in Maricopa, with average highs near 40.9°C and lows around 26.6°C (mean 33.8°C). It is a relatively wet time of year, averaging 36 mm of rainfall and 31% relative humidity across the period.
July is one of the warmer months of the year in Maricopa. Across 45 years of records, the warmest July in Maricopa was 2023 — when the month averaged 36.9°C — while the coldest was 1984 at 31.2°C. Typical July days reach 40.9°C with nights near 26.6°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Maricopa, averaging 36 mm of rainfall. The wettest July on record was 2021 with 111 mm, while the driest was 2020 at 5 mm.
Relative humidity in Maricopa during July averages 31%. The most humid July was 1984 at 50%, and the least humid was 2023 at 20%.
July receives about 7.3 kWh/m²/day of solar energy in Maricopa. The sunniest Julys were 2000, 2005 and 2016, among others at 7.8 kWh/m²/day, and the cloudiest was 2021 at 6.2.
Average wind speed in Maricopa during July is 2 m/s. The windiest July was 1993 at 2.5 m/s, while the calmest were 1984, 2008 and 2021 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 33.0°C | 33.2°C | 34.2°C | 33.9°C | 34.9°C | +1.9°C |
| Avg High | 40.2°C | 40.5°C | 41.3°C | 40.8°C | 42.2°C | +2°C |
| Avg Low | 25.9°C | 25.8°C | 27.0°C | 27.0°C | 27.6°C | +1.7°C |
| Avg Rain | 40 mm | 31 mm | 33 mm | 34 mm | 45 mm | +4 mm |
July temperatures in Maricopa have risen by about 1.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 18.9°C (1993) to a record high of 49.8°C (1995).
Rainfall in July is a relatively wet time of year, averaging 36 mm, with a wettest year of 111 mm.
A quieter season to visit Maricopa
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting Maricopa. That said, July — with days averaging 40.9°C and nights around 26.6°C (mean 33.8°C) and moderate rainfall (36 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 | 41.0°C | 33.5°C | 26.0°C | 47.1°C | 20.9°C | 74 mm | 30% | 1.9 m/s | 7.6 |
| 2024 | 43.9°C | 36.1°C | 28.4°C | 47.4°C | 26.3°C | 26 mm | 28% | 2 m/s | 7.4 |
| 2023 🔥 | 44.9°C | 36.9°C | 28.8°C | 47.8°C | 24.8°C | 9 mm | 20% | 2.3 m/s | 7.7 |
| 2022 | 41.3°C | 34.4°C | 27.4°C | 46.2°C | 25.0°C | 44 mm | 30% | 2 m/s | 7 |
| 2021 🌧️ | 38.8°C | 32.8°C | 26.9°C | 45.0°C | 22.3°C | 111 mm | 43% | 1.7 m/s | 6.2 |
| 2020 | 43.3°C | 35.6°C | 27.9°C | 47.1°C | 21.1°C | 5 mm | 22% | 2.3 m/s | 7.7 |
| 2019 | 42.2°C | 34.7°C | 27.2°C | 46.4°C | 22.5°C | 21 mm | 24% | 2.2 m/s | 7.5 |
| 2018 | 41.1°C | 34.3°C | 27.4°C | 46.6°C | 21.6°C | 35 mm | 34% | 2 m/s | 7.3 |
| 2017 | 39.8°C | 33.4°C | 26.9°C | 47.6°C | 24.2°C | 62 mm | 40% | 1.9 m/s | 7.2 |
| 2016 | 42.5°C | 35.0°C | 27.4°C | 45.0°C | 23.9°C | 25 mm | 27% | 2 m/s | 7.8 |
| 2015 | 39.7°C | 33.0°C | 26.3°C | 43.1°C | 21.6°C | 21 mm | 32% | 2.3 m/s | 7.1 |
| 2014 | 40.7°C | 33.9°C | 27.0°C | 45.8°C | 24.8°C | 28 mm | 31% | 1.9 m/s | 7.3 |
| 2013 | 40.2°C | 33.7°C | 27.2°C | 44.5°C | 24.2°C | 30 mm | 35% | 2 m/s | 7 |
| 2012 | 39.6°C | 32.8°C | 26.1°C | 45.0°C | 23.0°C | 43 mm | 37% | 2 m/s | 6.9 |
| 2011 | 41.3°C | 34.1°C | 26.9°C | 47.9°C | 20.8°C | 29 mm | 30% | 2 m/s | 7.5 |
| 2010 | 40.9°C | 34.4°C | 27.8°C | 46.2°C | 22.4°C | 43 mm | 31% | 2 m/s | 7 |
| 2009 | 41.8°C | 34.7°C | 27.5°C | 45.5°C | 24.7°C | 31 mm | 30% | 2 m/s | 7.4 |
| 2008 | 39.2°C | 32.8°C | 26.3°C | 44.7°C | 22.4°C | 51 mm | 40% | 1.7 m/s | 7.3 |
| 2007 | 40.1°C | 33.6°C | 27.1°C | 45.7°C | 23.3°C | 51 mm | 35% | 1.8 m/s | 7.1 |
| 2006 | 40.4°C | 34.2°C | 28.0°C | 46.6°C | 24.4°C | 56 mm | 37% | 2 m/s | 7 |
| 2005 | 43.2°C | 35.3°C | 27.3°C | 46.8°C | 24.1°C | 25 mm | 25% | 2.1 m/s | 7.8 |
| 2004 | 41.5°C | 33.9°C | 26.2°C | 45.0°C | 19.5°C | 21 mm | 26% | 2 m/s | 7.5 |
| 2003 | 42.5°C | 34.8°C | 27.1°C | 47.2°C | 23.8°C | 24 mm | 27% | 2.3 m/s | 7.6 |
| 2002 | 41.5°C | 34.2°C | 26.9°C | 45.3°C | 23.2°C | 25 mm | 27% | 2.1 m/s | 7.2 |
| 2001 | 40.7°C | 33.9°C | 27.1°C | 47.7°C | 22.9°C | 34 mm | 31% | 2 m/s | 7 |
| 2000 | 42.4°C | 34.5°C | 26.6°C | 45.8°C | 22.1°C | 9 mm | 22% | 2.1 m/s | 7.8 |
| 1999 | 38.7°C | 32.3°C | 25.9°C | 45.3°C | 23.1°C | 59 mm | 42% | 1.9 m/s | 6.6 |
| 1998 | 41.4°C | 34.2°C | 27.1°C | 47.7°C | 24.8°C | 35 mm | 32% | 1.9 m/s | 7.6 |
| 1997 | 41.6°C | 33.5°C | 25.4°C | 45.8°C | 20.7°C | 9 mm | 21% | 2.1 m/s | 7.8 |
| 1996 | 41.0°C | 34.0°C | 27.0°C | 45.4°C | 23.5°C | 43 mm | 34% | 1.9 m/s | 7.4 |
| 1995 | 42.2°C | 34.1°C | 25.9°C | 49.8°C | 20.7°C | 6 mm | 21% | 1.9 m/s | 7.5 |
| 1994 | 41.9°C | 33.9°C | 26.0°C | 45.5°C | 22.6°C | 17 mm | 25% | 2.1 m/s | 7.5 |
| 1993 | 40.2°C | 32.5°C | 24.7°C | 45.2°C | 18.9°C | 9 mm | 29% | 2.5 m/s | 7.7 |
| 1992 | 38.9°C | 31.9°C | 24.9°C | 44.7°C | 19.2°C | 44 mm | 34% | 2 m/s | 7.1 |
| 1991 | 40.7°C | 32.8°C | 24.8°C | 44.2°C | 22.7°C | 18 mm | 25% | 2.3 m/s | 7.1 |
| 1990 | 38.7°C | 32.3°C | 25.9°C | 46.2°C | 22.4°C | 74 mm | 44% | 1.9 m/s | 7.1 |
| 1989 | 41.7°C | 34.4°C | 27.1°C | 46.9°C | 24.4°C | 28 mm | 29% | 2 m/s | 7.4 |
| 1988 | 40.5°C | 33.7°C | 26.8°C | 44.1°C | 24.3°C | 37 mm | 33% | 2.1 m/s | 6.6 |
| 1987 | 41.0°C | 32.4°C | 23.9°C | 45.7°C | 19.4°C | 16 mm | 24% | 2.3 m/s | 7.6 |
| 1986 | 38.8°C | 32.0°C | 25.2°C | 45.2°C | 21.7°C | 43 mm | 35% | 2 m/s | 7.2 |
| 1985 | 41.2°C | 33.7°C | 26.1°C | 47.6°C | 21.7°C | 39 mm | 31% | 2 m/s | 7.8 |
| 1984 ❄️ | 36.9°C | 31.2°C | 25.6°C | 44.2°C | 23.8°C | 105 mm | 50% | 1.7 m/s | 7.1 |
| 1983 | 40.8°C | 33.3°C | 25.8°C | 46.3°C | 20.1°C | 27 mm | 31% | 2.4 m/s | — |
| 1982 | 39.8°C | 32.5°C | 25.2°C | 45.3°C | 20.0°C | 34 mm | 32% | 2.1 m/s | — |
| 1981 | 40.8°C | 34.1°C | 27.4°C | 45.8°C | 24.1°C | 34 mm | 34% | 1.9 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 40.9°C with lows near 26.6°C (mean 33.8°C), based on 45 years of NASA POWER data.
July averages 36 mm of rainfall in Maricopa, a relatively wet time of year. The wettest on record was 111 mm in 2021.
The hottest July reached 49.8°C in 1995. The coldest dipped to 18.9°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.7°C. Daytime highs moved from 39.9°C to 42°C and overnight lows from 26°C to 27.5°C over the same span.
July is one of the warmer months of the year in Maricopa and a relatively wet time of year, so plan for around 40.9°C daytime highs and 26.6°C at night.
Not quite — July is the 12th coolest month in Maricopa, averaging 33.8°C.
For July in Maricopa, pack light, breathable clothing and sun protection, with typical highs of 40.9°C and lows of 26.6°C.
Relative humidity in July averages 31% — relatively dry.
Average wind speed in July is 2 m/s. The windiest July on record averaged 2.5 m/s (1993).
The wettest July on record was 2021 with 111 mm. On average, July sees 36 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 Maricopa 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.
