Mid-summer · Weather & things to do
Phoenix in July
Phoenix's warmest month brings highs averaging 107°F (42°C), lows of 83°F (28°C) and about 1.3 in (33 mm) of rain.
With a comfort score of 56/100 (12th of 12), it's one of the toughest months, held back mainly by heat.

- Avg high
- 107°F (42°C)
- Avg low
- 83°F (28°C)
- Rain
- 1.3 in (33 mm)
- Humidity
- 30%
- Cloud cover
- 43%
- Daylight
- ~14 h 01 min
- Comfort score
- 56/100 · Fair
What July feels like
Expect proper heat: afternoons average 107°F (42°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
Mornings start much cooler: lows average 83°F (28°C), about 14°C (25°F) below the afternoon high.
The air is dry, at about 30% humidity, which keeps warmth comfortable but dries skin and lips.
About 1.3 in (33 mm) of rain falls in a typical year's July.
Plan around July
July is one of the lower-scoring months here; the best are November – April.
- Comfort slips from 60/100 in June to 56/100.
- Our Grand Canyon & Arizona route recommends Mar – May, so July falls outside its suggested window.
What to pack for July
- Light, breathable clotheshighs average 107°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 83°F
- Lip balm and moisturizerdry air
- Comfortable walking shoesmost picks involve some walking
What to do in Phoenix in July
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Heard Museum
Deep collection of Native American art, jewelry and Hopi katsina dolls.
Why now A break from 107°F afternoons.
Desert Botanical Garden
Trails through saguaros, cacti and wildflowers from deserts worldwide.
Why now Go early — afternoons average 107°F.
Matt's Big Breakfast
Downtown diner known for thick bacon, griddle cakes and long weekend lines.
Why now Somewhere to sit out the hottest hours.
Rusty Spur Saloon
Old Town Scottsdale saloon, open since 1951, with live country music.
Musical Instrument Museum
Thousands of instruments from about 200 countries, with headphone audio at each display.
Nearby in July
- Papago Park & Camelback in July~7 mi · highs 107°F, 1.3 in rain · similar daytime temperatures, about as wet
- Sedona in July~100 mi · highs 94°F, 2.7 in rain · 7°C (13°F) cooler by day, wetter
- Catalina Foothills in July~106 mi · highs 99°F, 2.6 in rain · 5°C (9°F) cooler by day, wetter
- Downtown Tucson in July~106 mi · highs 99°F, 3.3 in rain · 5°C (8°F) cooler by day, wetter
These averages also cover Downtown Phoenix.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~494 m to Phoenix's ~331 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Phoenix in July: quick answers
Is July a good time to visit Phoenix?
It's one of the tougher months here, scoring 56/100, held back mainly by heat. The best months are November – April. Expect highs of 107°F (42°C) and 1.3 in (33 mm) of rain. Our Grand Canyon & Arizona route recommends Mar – May, so July is outside its suggested window.
How hot is Phoenix in July?
Average highs are 107°F (42°C) and average lows 83°F (28°C), making it the warmest month by daytime highs.
Does it rain a lot in Phoenix in July?
Not much: about 1.3 in (33 mm) of rain falls across July on average, the 2nd-wettest month of the year. The annual total is about 10.0 in (254 mm).
What should I pack for Phoenix in July?
Bring light, breathable clothes (highs average 107°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 83°F) and lip balm and moisturizer (dry air).
Planning Phoenix in July?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





