Hot
Average highs reach 40°C, so days can feel very hot.
Weather Guide
Casa Grande, Arizona, United States Average Monthly Weather
Weather score70Good 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 238mm.
Annual weather
Annual averages
Temp
30°C
Rain
238mm
Annual total
Sun
10h
Weather score
70
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Casa Grande, Arizona, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August40°C average high
August is one of Casa Grande's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August46mm average rain
August is one of Casa Grande's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to July and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August11 hours average sun
August sits close to Casa Grande'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
August64 weather score
August scores below Casa Grande'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.
