Phoenix weather
in August
“Reliably warm, dry, and generous with light.”
Roughly 5 rainy days across the month, on average.
In august, Phoenix settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 41°C (105°F), cooling to 28°C after sunset. Rainfall is moderate — around 5 rainy days spread through the month. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Phoenix in August
- •Breathable cotton or linen, and a broad-brimmed hat
- •Layers, because the day changes
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Phoenix in August
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
We may earn a small commission on any purchase — it doesn't change the price you pay.
Where to stay in Phoenix
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Phoenix across trusted platforms.
Compare hotels on Booking.com→Other places with a similar climate right now
Phoenix in August — FAQ
Q01Is August a good time to visit Phoenix?
Is August a good time to visit Phoenix?
It is a challenging month — you may want to consider another time of year. In August, Phoenix averages a high of 41°C (105°F) and a low of 28°C (83°F), with 33mm of rainfall across roughly 5 rainy days.
Q02What is the average temperature in Phoenix in August?
What is the average temperature in Phoenix in August?
The average high temperature in Phoenix during August is 41°C (105°F), with an average low of 28°C (83°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Phoenix have in August?
How many rainy days does Phoenix have in August?
Phoenix averages approximately 5 rainy days in August, with a total monthly rainfall of about 33mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Phoenix in August?
What should I pack for Phoenix in August?
For Phoenix in August, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Phoenix in August?
How crowded is Phoenix in August?
Tourist crowds in Phoenix during August are typically high — this is peak season, expect crowds and higher prices. Consider this when planning accommodation — prices track crowd levels closely.