Lake Havasu City, Arizona Weather
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Climate of Lake Havasu City: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Lake Havasu City, with average daytime highs around 41°C. December is the coolest, when nights typically fall to about 4°C. That is a wide yearly range of roughly 38°C, so the seasons feel very different from each other.
The area receives about 170 mm of rain in a typical year. Rainfall is modest in every month; February is the wettest at about 22 mm. The driest stretch is March to July and September to December, with under 20 mm a month.
For outdoor plans and travel, February to April and October to November usually offer the most comfortable weather in Lake Havasu City, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 17° | 4° | 21 mm | 43% |
| Feb | 19° | 6° | 22 mm | 40% |
| Mar | 24° | 9° | 13 mm | 35% |
| Apr | 28° | 12° | 7 mm | 28% |
| May | 34° | 18° | 2 mm | 22% |
| Jun | 40° | 23° | 1 mm | 16% |
| Jul | 41° | 27° | 18 mm | 25% |
| Aug | 40° | 26° | 22 mm | 29% |
| Sep | 37° | 23° | 14 mm | 27% |
| Oct | 30° | 16° | 14 mm | 28% |
| Nov | 23° | 9° | 14 mm | 32% |
| Dec | 16° | 4° | 18 mm | 42% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Lake Havasu City. Values describe typical conditions, not a forecast.
About Lake Havasu City weather
Lake Havasu City is a place in Arizona's mostly desert climate, with cooler high country in the north, located about 237 km north-west of Phoenix. Lake Havasu City gets extremely hot summers (May–September) with highs regularly above 40°C in the low deserts each year. Lake Havasu City closes out the year with mild, dry winters in the desert, cold with snow in the northern highlands. This page shows live, auto-refreshing weather for Lake Havasu City: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Phoenix.
Frequently asked questions
Lake Havasu City is about 237 km north-west of Phoenix, in Arizona.
Lake Havasu City sees mild, dry winters in the desert, cold with snow in the northern highlands.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Lake Havasu City's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Lake Havasu City, with average daytime highs of about 41°C and nights around 27°C. Afternoons above 40°C are common then, so heatwave precautions matter.
The coldest nights come in December, when the average low is about 4°C and daytime highs reach around 16°C.
Lake Havasu City receives about 170 mm of rain in a typical year. February is the wettest month at roughly 22 mm; no month averages more than 100 mm.
February to April and October to November usually offer the most comfortable weather in Lake Havasu City, with mild daytime temperatures and little rain.
In November Lake Havasu City typically sees daytime highs near 23°C and lows near 9°C, with about 14 mm of rain over the month and average humidity around 32%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Lake Havasu City updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Lake Havasu City's day-to-day weather follows the broader pattern of Arizona described above. See the hourly weather forecast or the air quality index for more detail.