Climate averages 1991–2020
Yuma weather
in May.
A very hot, very dry month: the 5th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Yuma: daytime highs average 34.9°C and nights cool to about 19.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical May (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 49 min on an average May day.
The nearest other city in this atlas is San Luis Río Colorado (33 km away). In May its highs average 34.5°C, about as warm as Yuma, with almost no rain (under 1 mm).
Among the 498 cities listed in the United States, Yuma ranks 1st of 498 for the warmest May highs and 1st of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Yuma is 11.2°C warmer than that mean.
From May to June, average highs rise by 4.9°C to 39.9°C, and monthly rainfall stays under 1 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- San Luis Río Colorado in MayMexico · 33 kmHigh 34.5°C · Low 18.9°C · 0.7 mm rain
- Mexicali in MayMexico · 78 kmHigh 34.9°C · Low 18.8°C · 0.8 mm rain
- Indio in MayUnited States · 185 kmHigh 33.6°C · Low 18.6°C · 2.8 mm rain
- Ensenada in MayMexico · 209 kmHigh 21.9°C · Low 14.2°C · 7.2 mm rain
- El Cajon in MayUnited States · 219 kmHigh 21.7°C · Low 13.0°C · 10 mm rain
- Tijuana in MayMexico · 224 kmHigh 19.4°C · Low 13.5°C · 11 mm rain
- Goodyear in MayUnited States · 225 kmHigh 34.5°C · Low 19.7°C · 3.3 mm rain
- Avondale in MayUnited States · 226 kmHigh 34.5°C · Low 19.6°C · 3.3 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.