Yuma, AZ weather in August
Yuma is very hot and dry in August: highs average 106°F and nights drop to about 83°F. Rain falls on about 1 day. This is the peak of the warm season in Yuma. Midday heat is the main thing to plan around.
- Normal high
- 106°F
- Normal low
- 83°F
- Wet days
- 1
- 0.2 in total
- Daylight
- 13.3 h
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 107°F | 106°F |
| Normal low | 84°F | 82°F |
| Chance of a wet day | 4% | 6% |
| Sunrise / sunset | 5:52 am / 7:37 pm | 6:12 am / 7:04 pm |
| Daylight | 13.7 h | 12.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).
A typical August day
- 6 am82°Fdew point 63°F
- 9 am94°Fdew point 64°F
- Noon102°Fdew point 59°F
- 3 pm106°Fdew point 57°F
- 6 pm102°Fdew point 58°F
- 9 pm92°Fdew point 58°F
NOAA hourly normals (local standard time) from Imperial Co Airport (56 mi away); average wind 7 mph; clear or few clouds in 89% of daytime hours, mostly cloudy or overcast in 8%.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)0 of 31
- Hot dayshigh 90°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow1 of 31
- Notable rainat least 0.10 in1 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 0.2 in; a dry August brings about 0.0 in and a wet one about 0.3 in (25th and 75th percentiles). Days with half an inch or more are rare.
How August varies from year to year
- Warmest August, 1991-20202020: average high 111°F
- Coolest August2008: average high 104°F
- Wettest August2005: 1.8 in
- Driest August1991: no measurable precipitation
- Highest reading118°F (August 1, 1993)
- Lowest reading68°F (August 23, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 107°F | 106°F | 101°F |
| Normal low | 83°F | 83°F | 78°F |
| Wet days | 1 | 1 | 2 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 14.1 h | 13.3 h | 12.4 h |
Highs change by -1°F from July and -5°F into September.
Nearby alternatives in August
- Cooler: El Cajon, CA136 mi · high 89°F · 0 wet days
How Yuma ranks in August
- Normal high3rd warmest of 378 cities; 1st of 13 in Arizona
- Wet days57th driest of 378
What to pack for Yuma in August
- Light, breathable clothing – highs near 106°F
Heating and cooling
August has 0 heating degree days and 924 cooling degree days (base 65°F), 17% of the year's total heating and cooling demand.
Questions
How hot is Yuma in August?
The normal high is 106°F and the normal low is 83°F. From 1991 to 2020 the hottest August reading was 118°F (August 1, 1993).
Does it rain a lot in Yuma in August?
About 1 days in August have at least 0.01 in of precipitation, and the normal total is 0.2 in. The wettest August in 1991-2020 was in 2005 (1.8 in); the driest was in 1991, with no measurable precipitation.
Is August a good time to visit Yuma?
August ranks 11th of 12 months on our comfort score for Yuma (35 out of 100). It has almost no comfortable days (judged by temperature only) and about 31 days at 90°F or hotter. The best months are January, February and December.
Where the numbers come from
- Temperature and rain: Yuma MCAS (USW00003145), 5.2 mi S of the city center, 213 ft (72 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snowfall, snow depth and frost dates: Yuma Quartermaster Depot (USC00029656), 0.2 mi NE of the city center, 160 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Imperial Co Airport (USW00003144), 56 mi W of the city center, -58 ft (199 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: daily humidity and wind (no station close enough or similar enough in elevation).