Climate averages 1991–2020
Yuma weather
in July.
A very hot, very dry month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a very hot month in Yuma: daytime highs average 41.9°C and nights cool to about 27.7°C. By daytime temperature it is the warmest month of the year.
Expect about 5.6 mm of rain on roughly 2 days, which makes July a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 05 min on an average July day.
The nearest other city in this atlas is San Luis Río Colorado (33 km away). In July its highs average 41.2°C, 0.7°C cooler than Yuma, with 4.8 mm of rain.
Among the 498 cities listed in the United States, Yuma ranks 1st of 498 for the warmest July highs and 101st of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Yuma is 11.6°C warmer than that mean.
From July to August, average highs fall by 0.4°C to 41.5°C, and monthly rainfall rises from 5.6 mm to 11 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Yuma climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.2°C8.6°C | 8.6°C | 11 | 1.8 | 10.310 h |
| February | 23.1°C9.9°C | 9.9°C | 15 | 2.3 | 11.011 h |
| March | 27.1°C12.6°C | 12.6°C | 9.0 | 1.4 | 12.012 h |
| April | 30.7°C15.4°C | 15.4°C | 3.0 | 0.5 | 13.013 h |
| May | 34.9°C19.1°C | 19.1°C | 0.7 | 0.2 | 13.814 h |
| June | 39.9°C23.4°C | 23.4°C | 0.7 | 0.2 | 14.314 h |
| July, selected | 41.9°C27.7°C | 27.7°C | 5.6 | 1.6 | 14.114 h |
| August | 41.5°C28.2°C | 28.2°C | 11 | 3.2 | 13.413 h |
| September | 38.6°C24.8°C | 24.8°C | 12 | 2.0 | 12.412 h |
| October | 32.4°C18.2°C | 18.2°C | 4.8 | 0.7 | 11.411 h |
| November | 25.5°C12.4°C | 12.4°C | 7.0 | 1.0 | 10.511 h |
| December | 20.0°C8.1°C | 8.1°C | 10 | 1.6 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- San Luis Río Colorado in JulyMexico · 33 kmHigh 41.2°C · Low 27.4°C · 4.8 mm rain
- Mexicali in JulyMexico · 78 kmHigh 42.1°C · Low 27.5°C · 5.4 mm rain
- Indio in JulyUnited States · 185 kmHigh 41.5°C · Low 27.2°C · 7.2 mm rain
- Ensenada in JulyMexico · 209 kmHigh 27.2°C · Low 19.8°C · 1.1 mm rain
- El Cajon in JulyUnited States · 219 kmHigh 27.2°C · Low 17.7°C · 2.6 mm rain
- Tijuana in JulyMexico · 224 kmHigh 23.8°C · Low 17.7°C · 2.0 mm rain
- Goodyear in JulyUnited States · 225 kmHigh 41.1°C · Low 28.3°C · 18 mm rain
- Avondale in JulyUnited States · 226 kmHigh 41.1°C · Low 28.3°C · 18 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Yuma) is explained once on the Yuma year overview and on the Sources, method and limits page.