May is one of the warmer months of the year in Lake Havasu City, with average highs near 33.3°C and lows around 16.9°C (mean 25.1°C). It is one of the drier months, averaging 4 mm of rainfall and 22% relative humidity across the period.
May is one of the warmer months of the year in Lake Havasu City. Across 45 years of records, the warmest May in Lake Havasu City was 1997 — when the month averaged 29°C — while the coldest was 1995 at 21.5°C. Typical May days reach 33.3°C with nights near 16.9°C. The long-term trend is warming, about 0.2°C per decade.
May is one of the drier months in Lake Havasu City, averaging 4 mm of rainfall. The wettest May on record was 2025 with 28 mm, while the driest were 2021, 2022 and 2024, among others at 0 mm.
Relative humidity in Lake Havasu City during May averages 22%. The most humid May was 1992 at 36%, and the least humid was 1984 at 15%.
May receives about 7.9 kWh/m²/day of solar energy in Lake Havasu City. The sunniest May was 2012 at 8.5 kWh/m²/day, and the cloudiest was 1994 at 7.
Average wind speed in Lake Havasu City during May is 2.6 m/s. The windiest May was 2008 at 3 m/s, while the calmest was 2009 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.1°C | 24.2°C | 26.2°C | 24.4°C | 26.0°C | +0.9°C |
| Avg High | 33.4°C | 32.2°C | 34.6°C | 32.4°C | 34.2°C | +0.8°C |
| Avg Low | 16.7°C | 16.1°C | 17.9°C | 16.4°C | 17.8°C | +1.1°C |
| Avg Rain | 4 mm | 5 mm | 1 mm | 3 mm | 5 mm | +2 mm |
May temperatures in Lake Havasu City have risen by about 0.5°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 5.4°C (1988) to a record high of 44.1°C (1984).
Rainfall in May is one of the drier months, averaging 4 mm, with a wettest year of 28 mm.
One of the best times to visit Lake Havasu City
May is one of the best times to visit Lake Havasu City. Expect days averaging 33.3°C and nights around 16.9°C (mean 25.1°C) — warmer than Lake Havasu City's yearly average — with low rainfall (4 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 33.4°C | 25.7°C | 17.9°C | 39.1°C | 11.7°C | 28 mm | 28% | 2.4 m/s | 7.6 |
| 2024 | 34.1°C | 25.8°C | 17.5°C | 39.6°C | 9.1°C | 0 mm | 21% | 2.7 m/s | 8.2 |
| 2023 | 33.5°C | 25.6°C | 17.7°C | 39.1°C | 11.2°C | 3 mm | 26% | 2.7 m/s | 8 |
| 2022 | 34.6°C | 26.0°C | 17.5°C | 39.8°C | 9.8°C | 0 mm | 16% | 2.7 m/s | 8.4 |
| 2021 | 34.5°C | 25.9°C | 17.4°C | 38.0°C | 11.0°C | 0 mm | 17% | 2.7 m/s | 8.4 |
| 2020 | 35.3°C | 26.9°C | 18.5°C | 42.9°C | 11.7°C | 0 mm | 22% | 2.8 m/s | 8.4 |
| 2019 | 29.8°C | 22.6°C | 15.3°C | 36.0°C | 10.5°C | 5 mm | 32% | 2.6 m/s | 7.6 |
| 2018 | 34.0°C | 25.9°C | 17.8°C | 40.1°C | 11.2°C | 1 mm | 23% | 2.7 m/s | 8.1 |
| 2017 | 33.4°C | 25.2°C | 17.0°C | 41.0°C | 10.2°C | 7 mm | 23% | 2.8 m/s | 8.1 |
| 2016 | 32.0°C | 24.1°C | 16.3°C | 38.5°C | 11.7°C | 3 mm | 27% | 2.5 m/s | 8 |
| 2015 | 30.2°C | 22.9°C | 15.6°C | 39.3°C | 8.3°C | 10 mm | 31% | 2.8 m/s | 7.6 |
| 2014 | 34.1°C | 26.0°C | 17.9°C | 40.3°C | 11.9°C | 0 mm | 17% | 2.9 m/s | 8.1 |
| 2013 | 33.8°C | 25.8°C | 17.7°C | 40.1°C | 12.4°C | 1 mm | 19% | 2.8 m/s | 8.1 |
| 2012 | 35.4°C | 26.5°C | 17.7°C | 43.0°C | 10.9°C | 0 mm | 16% | 2.7 m/s | 8.5 |
| 2011 | 31.0°C | 22.7°C | 14.4°C | 37.2°C | 8.4°C | 4 mm | 22% | 2.9 m/s | 8.2 |
| 2010 | 30.4°C | 22.3°C | 14.2°C | 36.5°C | 8.1°C | 0 mm | 22% | 2.8 m/s | 8.3 |
| 2009 | 36.5°C | 28.5°C | 20.4°C | 40.9°C | 15.7°C | 1 mm | 20% | 2.2 m/s | 8 |
| 2008 | 31.1°C | 23.3°C | 15.5°C | 43.4°C | 10.0°C | 10 mm | 23% | 3 m/s | 8 |
| 2007 | 34.1°C | 25.8°C | 17.5°C | 38.5°C | 10.1°C | 0 mm | 18% | 2.7 m/s | 8.2 |
| 2006 | 35.2°C | 26.9°C | 18.5°C | 39.6°C | 11.8°C | 0 mm | 18% | 2.6 m/s | 8.1 |
| 2005 | 33.6°C | 25.4°C | 17.3°C | 42.8°C | 10.0°C | 0 mm | 29% | 2.4 m/s | 8.2 |
| 2004 | 34.4°C | 26.1°C | 17.7°C | 40.1°C | 13.9°C | 0 mm | 18% | 2.7 m/s | 8.3 |
| 2003 | 33.8°C | 25.5°C | 17.3°C | 44.0°C | 8.6°C | 0 mm | 21% | 2.7 m/s | 7.9 |
| 2002 | 33.4°C | 25.0°C | 16.6°C | 42.6°C | 10.3°C | 0 mm | 16% | 2.5 m/s | 8.3 |
| 2001 | 37.2°C | 28.6°C | 20.0°C | 43.5°C | 11.0°C | 1 mm | 17% | 2.6 m/s | 8.2 |
| 2000 | 36.2°C | 27.3°C | 18.5°C | 43.5°C | 10.9°C | 0 mm | 18% | 2.8 m/s | 8.1 |
| 1999 | 32.4°C | 24.0°C | 15.5°C | 39.6°C | 5.7°C | 1 mm | 21% | 2.7 m/s | 8.1 |
| 1998 | 29.2°C | 21.6°C | 14.0°C | 35.0°C | 9.0°C | 5 mm | 32% | 2.8 m/s | 7.9 |
| 1997 🔥 | 37.2°C | 29.0°C | 20.7°C | 42.7°C | 14.1°C | 1 mm | 17% | 2.3 m/s | 7.9 |
| 1996 | 34.4°C | 25.9°C | 17.4°C | 42.0°C | 12.3°C | 2 mm | 18% | 2.4 m/s | 8 |
| 1995 ❄️ | 29.1°C | 21.5°C | 14.0°C | 37.2°C | 7.4°C | 2 mm | 32% | 2.4 m/s | 7.5 |
| 1994 | 31.6°C | 23.6°C | 15.6°C | 39.9°C | 10.6°C | 8 mm | 26% | 2.5 m/s | 7 |
| 1993 | 32.5°C | 24.5°C | 16.6°C | 36.8°C | 9.4°C | 5 mm | 32% | 2.5 m/s | 7.8 |
| 1992 | 32.9°C | 25.4°C | 17.8°C | 36.4°C | 14.6°C | 16 mm | 36% | 2.3 m/s | 7.1 |
| 1991 | 30.8°C | 22.5°C | 14.1°C | 37.8°C | 8.0°C | 2 mm | 23% | 2.8 m/s | 7.2 |
| 1990 | 32.0°C | 23.6°C | 15.2°C | 36.9°C | 10.4°C | 10 mm | 22% | 2.7 m/s | 7.6 |
| 1989 | 33.9°C | 25.6°C | 17.3°C | 41.4°C | 11.4°C | 2 mm | 19% | 2.5 m/s | 7.6 |
| 1988 | 32.4°C | 23.9°C | 15.3°C | 39.4°C | 5.4°C | 0 mm | 22% | 2.8 m/s | 7.2 |
| 1987 | 31.7°C | 24.4°C | 17.1°C | 37.6°C | 10.1°C | 6 mm | 27% | 2.6 m/s | 7.5 |
| 1986 | 33.8°C | 25.2°C | 16.6°C | 39.8°C | 8.2°C | 3 mm | 17% | 2.4 m/s | 7.9 |
| 1985 | 33.9°C | 25.6°C | 17.2°C | 38.8°C | 11.3°C | 2 mm | 19% | 2.6 m/s | 7.9 |
| 1984 | 37.4°C | 28.4°C | 19.5°C | 44.1°C | 13.5°C | 1 mm | 15% | 2.4 m/s | 7.4 |
| 1983 | 32.9°C | 24.1°C | 15.2°C | 43.8°C | 7.5°C | 0 mm | 24% | 2.7 m/s | — |
| 1982 | 32.5°C | 24.1°C | 15.6°C | 39.3°C | 8.6°C | 13 mm | 25% | 2.6 m/s | — |
| 1981 | 32.3°C | 24.3°C | 16.2°C | 37.1°C | 11.5°C | 7 mm | 21% | 2.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 33.3°C with lows near 16.9°C (mean 25.1°C), based on 45 years of NASA POWER data.
May averages 4 mm of rainfall in Lake Havasu City, one of the drier months. The wettest on record was 28 mm in 2025.
The hottest May reached 44.1°C in 1984. The coldest dipped to 5.4°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.5°C. Daytime highs moved from 33.8°C to 34°C and overnight lows from 16.7°C to 17.6°C over the same span.
May is one of the warmer months of the year in Lake Havasu City and one of the drier months, so plan for around 33.3°C daytime highs and 16.9°C at night.
Not quite — May is the 8th coolest month in Lake Havasu City, averaging 25.1°C.
For May in Lake Havasu City, pack light, breathable clothing and sun protection, with typical highs of 33.3°C and lows of 16.9°C.
Relative humidity in May averages 22% — relatively dry.
Average wind speed in May is 2.6 m/s. The windiest May on record averaged 3 m/s (2008).
The wettest May on record was 2025 with 28 mm. On average, May sees 4 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 May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
