Yuma, Arizona Weather
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Climate of Yuma: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Yuma, with average daytime highs around 41°C. December is the coolest, when nights typically fall to about 5°C. That is a wide yearly range of roughly 36°C, so the seasons feel very different from each other.
The area receives about 100 mm of rain in a typical year. Rainfall is modest in every month; July is the wettest at about 13 mm. The driest stretch is all year, with under 20 mm a month.
For outdoor plans and travel, October to April usually offer the most comfortable weather in Yuma, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 20° | 6° | 12 mm | 45% |
| Feb | 22° | 7° | 10 mm | 43% |
| Mar | 26° | 10° | 8 mm | 39% |
| Apr | 30° | 13° | 3 mm | 34% |
| May | 34° | 16° | 2 mm | 32% |
| Jun | 40° | 21° | 1 mm | 29% |
| Jul | 41° | 26° | 13 mm | 37% |
| Aug | 41° | 26° | 13 mm | 41% |
| Sep | 38° | 23° | 12 mm | 37% |
| Oct | 32° | 17° | 6 mm | 35% |
| Nov | 25° | 11° | 10 mm | 36% |
| Dec | 19° | 5° | 10 mm | 45% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Yuma. Values describe typical conditions, not a forecast.
About Yuma weather
Yuma sits within Arizona's mostly desert climate, with cooler high country in the north, about 251 km west of Phoenix. Conditions turn hot with extremely hot summers (May–September) with highs regularly above 40°C in the low deserts. By December, expect mild, dry winters in the desert, cold with snow in the northern highlands. This page shows live, auto-refreshing weather for Yuma: 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
Yuma is about 251 km west of Phoenix, in Arizona.
Yuma 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 Yuma's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Yuma, with average daytime highs of about 41°C and nights around 26°C. Afternoons above 40°C are common then, so heatwave precautions matter.
The coldest nights come in December, when the average low is about 5°C and daytime highs reach around 19°C.
Yuma receives about 100 mm of rain in a typical year. July is the wettest month at roughly 13 mm; no month averages more than 100 mm.
October to April usually offer the most comfortable weather in Yuma, with mild daytime temperatures and little rain.
In November Yuma typically sees daytime highs near 25°C and lows near 11°C, with about 10 mm of rain over the month and average humidity around 36%. 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.
Live temperature for Yuma is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Yuma'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.