Weather in Phoenix in July 2025
- July is usually the hottest month of the year in Phoenix;
Average weather
Average temperature in Phoenix in July
The temperature in July is +113°F on average, with a range between a maximum of +117°F during the day and a minimum of +82°F at night.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +111°F to +109°F.
Is Phoenix warm or cold in July?
Phoenix is typically hot in July.
Maximum temperatures go up compared to the previous month from +106°F to +108°F. The minimum temperature also goes up from +79°F to +86°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
July is the hottest month in Phoenix, here is the comparison with other months:
Climate in Phoenix in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +106°F | +108°F | +106°F | ||||
| Min. temperature | ||||||
| +61°F | +68°F | +70°F | ||||
| Max. temperature | ||||||
| +122°F | +122°F | +118°F | ||||
| Rainfall | ||||||
| 3 mm | 37 mm | 51 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 17% | 29% | 34% | ||||
| Air pressure | ||||||
| 1007 HPa | 1009 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 20 | 9 | 8 | ||||
| Cloudy days | ||||||
| 8 | 11 | 9 | ||||
| Rainy days | ||||||
| 1 | 6 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July typically has worse weather conditions compared to June. It’s getting warmer as July arrives. The average maximum temperature goes up from +106°F to +108°F during the day. Prepare for more rain. Average rainfall goes from 3 mm to 37 mm. Humidity rises from 17% to 29%. The average wind speed doesn’t change much during July, staying around 2 m/s. The days becoming less sunny, going from 20 sunny days in June to 9 in July.
August brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Phoenix is gradually increasing during July, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last July in Phoenix?
Climate Change Over the Years
The climate in Phoenix in July has not changed that much over the last 43 years.
The average temperature was the lowest in 1982 (+86°F) and the highest in 1989 (+91°F). The driest year was 2009 with only 125 mm of rainfall, and the wettest year was 1984 with 660 mm.
FAQ
Is July a good time to visit Phoenix?
Can you sunbathe in Phoenix in July?
Is Phoenix rainy in July?
Is it sunny in Phoenix in July?
Other cities in USA
Monthly weather in Phoenix
Source of the data
For this page, we’ve looked at the typical weather in Phoenix, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.