Month-by-month travel weather
Phoenix August weather
Phoenix, United States · August
Storms can be sudden; humidity can feel higher
Heat continues; monsoon periods can feel more humid and bring quick downpours.
August averages at a glance
Average low
around 27–30°C
Average high
around 40–43°C
Average precipitation
around 15–35 mm
Rainy days
about 2–6 days
What to wear in August in Phoenix
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Breathable clothing
- • Optional rain option
- • Optional thin indoor layer
Travel tips for visiting Phoenix in August
- • After rain, watch slick pavement and pooling water.
August weather in Phoenix — FAQ
Q. Does August feel humid?
A. It can during monsoon periods, compared with spring.
Explore Phoenix
These pages are connected so you can compare conditions and decide for yourself.