July is one of the warmer months of the year in Lake Havasu City, with average highs near 40.9°C and lows around 26.2°C (mean 33.6°C). It is about average for rainfall, averaging 17 mm of rainfall and 25% relative humidity across the period.
July is one of the warmer months of the year in Lake Havasu City. Across 45 years of records, the warmest July in Lake Havasu City was 2024 — when the month averaged 36.6°C — while the coldest was 1993 at 30.7°C. Typical July days reach 40.9°C with nights near 26.2°C. The long-term trend is warming, about 0.5°C per decade.
July is about average for rainfall in Lake Havasu City, averaging 17 mm of rainfall. The wettest July on record was 1984 with 52 mm, while the driest was 1993 at 0 mm.
Relative humidity in Lake Havasu City during July averages 25%. The most humid July was 1984 at 42%, and the least humid was 2020 at 15%.
July receives about 7.6 kWh/m²/day of solar energy in Lake Havasu City. The sunniest July was 2020 at 8.3 kWh/m²/day, and the cloudiest was 1988 at 6.9.
Average wind speed in Lake Havasu City during July is 2.6 m/s. The windiest Julys were 1993 and 2010 at 3 m/s, while the calmest were 1984 and 1995 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.7°C | 32.8°C | 34.0°C | 33.7°C | 35.1°C | +2.4°C |
| Avg High | 40.2°C | 40.4°C | 41.5°C | 40.6°C | 42.4°C | +2.2°C |
| Avg Low | 25.3°C | 25.3°C | 26.6°C | 26.6°C | 27.6°C | +2.3°C |
| Avg Rain | 19 mm | 16 mm | 16 mm | 21 mm | 10 mm | -9 mm |
July temperatures in Lake Havasu City have risen by about 2.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 17.8°C (1982) to a record high of 49.5°C (2005).
Rainfall in July is about average for rainfall, averaging 17 mm, with a wettest year of 52 mm.
A quieter season to visit Lake Havasu City
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Lake Havasu City. That said, July — with days averaging 40.9°C and nights around 26.2°C (mean 33.6°C) and low rainfall (17 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 | 41.3°C | 33.5°C | 25.7°C | 46.2°C | 22.1°C | 4 mm | 18% | 2.9 m/s | 8 |
| 2024 🔥 | 44.6°C | 36.6°C | 28.6°C | 48.7°C | 23.7°C | 3 mm | 19% | 2.5 m/s | 8 |
| 2023 | 44.0°C | 36.3°C | 28.5°C | 47.8°C | 21.9°C | 2 mm | 18% | 2.8 m/s | 8 |
| 2022 | 41.1°C | 34.5°C | 27.9°C | 45.7°C | 22.4°C | 23 mm | 26% | 2.5 m/s | 7.4 |
| 2021 | 40.5°C | 34.3°C | 28.1°C | 46.5°C | 23.3°C | 25 mm | 32% | 2.6 m/s | 7.1 |
| 2020 | 43.1°C | 35.1°C | 27.0°C | 47.6°C | 20.8°C | 1 mm | 15% | 2.8 m/s | 8.3 |
| 2019 | 41.6°C | 34.1°C | 26.6°C | 45.4°C | 20.5°C | 3 mm | 19% | 2.6 m/s | 8 |
| 2018 | 40.9°C | 34.2°C | 27.6°C | 47.3°C | 22.2°C | 28 mm | 31% | 2.4 m/s | 7.5 |
| 2017 | 41.4°C | 34.6°C | 27.7°C | 46.7°C | 23.6°C | 14 mm | 28% | 2.5 m/s | 7.5 |
| 2016 | 42.2°C | 34.6°C | 27.0°C | 45.7°C | 22.4°C | 8 mm | 21% | 2.8 m/s | 8 |
| 2015 | 38.8°C | 31.8°C | 24.7°C | 41.7°C | 20.5°C | 28 mm | 29% | 2.9 m/s | 7.6 |
| 2014 | 40.4°C | 33.6°C | 26.8°C | 45.8°C | 23.5°C | 27 mm | 28% | 2.5 m/s | 7.5 |
| 2013 | 40.2°C | 33.8°C | 27.3°C | 45.3°C | 24.6°C | 21 mm | 31% | 2.6 m/s | 7.1 |
| 2012 | 38.9°C | 32.3°C | 25.6°C | 45.8°C | 19.8°C | 42 mm | 30% | 2.4 m/s | 7.3 |
| 2011 | 40.0°C | 32.9°C | 25.7°C | 46.2°C | 21.0°C | 28 mm | 27% | 2.6 m/s | 7.7 |
| 2010 | 41.8°C | 34.6°C | 27.3°C | 45.3°C | 20.6°C | 8 mm | 24% | 3 m/s | 7.7 |
| 2009 | 42.1°C | 34.8°C | 27.5°C | 45.9°C | 22.8°C | 13 mm | 24% | 2.5 m/s | 7.7 |
| 2008 | 40.6°C | 33.4°C | 26.2°C | 45.3°C | 23.3°C | 32 mm | 30% | 2.4 m/s | 7.7 |
| 2007 | 40.2°C | 33.2°C | 26.2°C | 46.7°C | 24.3°C | 40 mm | 30% | 2.6 m/s | 7.6 |
| 2006 | 41.2°C | 34.8°C | 28.5°C | 45.9°C | 24.8°C | 29 mm | 32% | 2.4 m/s | 7.3 |
| 2005 | 42.5°C | 34.8°C | 27.1°C | 49.5°C | 22.2°C | 13 mm | 22% | 2.4 m/s | 7.9 |
| 2004 | 41.5°C | 33.7°C | 25.8°C | 45.0°C | 19.5°C | 7 mm | 21% | 2.7 m/s | 8.1 |
| 2003 | 42.2°C | 34.9°C | 27.5°C | 48.8°C | 22.5°C | 10 mm | 22% | 2.5 m/s | 7.4 |
| 2002 | 42.1°C | 34.6°C | 27.2°C | 45.6°C | 24.3°C | 7 mm | 22% | 2.8 m/s | 7.6 |
| 2001 | 40.5°C | 32.8°C | 25.1°C | 46.6°C | 20.2°C | 10 mm | 22% | 2.8 m/s | 8 |
| 2000 | 41.7°C | 33.3°C | 24.9°C | 46.5°C | 20.2°C | 2 mm | 16% | 2.9 m/s | 7.9 |
| 1999 | 38.3°C | 31.7°C | 25.1°C | 44.4°C | 22.0°C | 46 mm | 35% | 2.4 m/s | 7.3 |
| 1998 | 41.3°C | 33.8°C | 26.4°C | 48.3°C | 21.7°C | 26 mm | 27% | 2.8 m/s | 8.2 |
| 1997 | 40.4°C | 32.2°C | 24.0°C | 45.1°C | 19.5°C | 8 mm | 19% | 2.7 m/s | 8 |
| 1996 | 41.7°C | 34.8°C | 28.0°C | 46.2°C | 24.9°C | 12 mm | 26% | 2.5 m/s | 7.8 |
| 1995 | 41.6°C | 33.7°C | 25.8°C | 48.2°C | 19.6°C | 6 mm | 17% | 2.2 m/s | 7.5 |
| 1994 | 40.9°C | 33.3°C | 25.7°C | 44.0°C | 21.3°C | 12 mm | 23% | 2.5 m/s | 7.3 |
| 1993 ❄️ | 38.8°C | 30.7°C | 22.6°C | 42.7°C | 19.5°C | 0 mm | 22% | 3 m/s | 7.5 |
| 1992 | 39.9°C | 32.5°C | 25.0°C | 44.1°C | 18.2°C | 8 mm | 23% | 2.7 m/s | 7 |
| 1991 | 40.5°C | 32.6°C | 24.7°C | 45.1°C | 20.6°C | 5 mm | 21% | 2.6 m/s | 7.2 |
| 1990 | 40.4°C | 33.0°C | 25.6°C | 45.5°C | 21.3°C | 37 mm | 31% | 2.7 m/s | 7.4 |
| 1989 | 42.1°C | 34.4°C | 26.7°C | 46.7°C | 22.2°C | 10 mm | 22% | 2.8 m/s | 7.5 |
| 1988 | 41.2°C | 33.7°C | 26.2°C | 43.4°C | 21.4°C | 18 mm | 26% | 2.7 m/s | 6.9 |
| 1987 | 38.8°C | 30.9°C | 23.0°C | 44.0°C | 17.8°C | 12 mm | 22% | 2.7 m/s | 7.8 |
| 1986 | 38.7°C | 31.2°C | 23.6°C | 43.4°C | 20.1°C | 26 mm | 26% | 2.6 m/s | 7.6 |
| 1985 | 41.5°C | 33.8°C | 26.0°C | 45.7°C | 21.0°C | 17 mm | 23% | 2.4 m/s | 7.5 |
| 1984 🌧️ | 37.8°C | 32.0°C | 26.2°C | 46.2°C | 22.7°C | 52 mm | 42% | 2.2 m/s | 7.1 |
| 1983 | 40.5°C | 32.8°C | 25.1°C | 44.7°C | 21.0°C | 8 mm | 21% | 2.9 m/s | — |
| 1982 | 39.5°C | 32.1°C | 24.6°C | 43.8°C | 17.8°C | 15 mm | 25% | 2.3 m/s | — |
| 1981 | 41.3°C | 33.8°C | 26.3°C | 46.1°C | 21.8°C | 12 mm | 22% | 2.6 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 26.2°C (mean 33.6°C), based on 45 years of NASA POWER data.
July averages 17 mm of rainfall in Lake Havasu City, about average for rainfall. The wettest on record was 52 mm in 1984.
The hottest July reached 49.5°C in 2005. The coldest dipped to 17.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.1°C. Daytime highs moved from 40.1°C to 42.3°C and overnight lows from 25.6°C to 27.8°C over the same span.
July is one of the warmer months of the year in Lake Havasu City and about average for rainfall, so plan for around 40.9°C daytime highs and 26.2°C at night.
Not quite — July is the 12th coolest month in Lake Havasu City, averaging 33.6°C.
For July in Lake Havasu City, pack light, breathable clothing and sun protection, with typical highs of 40.9°C and lows of 26.2°C.
Relative humidity in July averages 25% — relatively dry.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3 m/s (1993).
The wettest July on record was 1984 with 52 mm. On average, July sees 17 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 Lake Havasu City 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.