Hot
Average highs reach 40°C, so days can feel very hot.
Weather Guide
Phoenix, Arizona, United States Average Monthly Weather
Weather score70Very good annual avg
Best months: May, October, April
Across the year, average daytime temperatures are around 30°C, sunshine averages 10h per day, and rainfall totals about 212mm.
Annual weather
Annual averages
Temp
30°C
Rain
212mm
Annual total
Sun
10h
Weather score
70
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 29mm, which is relatively low for holiday planning.
Bright
Sunshine averages 12h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Phoenix, Arizona, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August40°C average high
August is one of Phoenix's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August29mm average rain
August is close to Phoenix's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
August12 hours average sun
August sits close to Phoenix's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
Weather score
August63 weather score
August scores below Phoenix's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to May and October
These months have the strongest weather score in the monthly averages.
Hotels in Phoenix, Arizona, United States
Marriott
View all
JW Marriott Phoenix Desert Ridge Resort & SpaPhoenix, Arizona, USA
Marriott Phoenix AirportPhoenix, Arizona, USA
Renaissance Phoenix Downtown HotelPhoenix, Arizona, USA
The Westin Phoenix DowntownPhoenix, Arizona, USA
Sheraton Grand at Wild Horse PassPhoenix, Arizona, USA
Sheraton Phoenix DowntownPhoenix, Arizona, USA