Hot
Average highs reach 32°C, so days can feel very hot.
Weather Guide
Best months: June, September, May
Across the year, average daytime temperatures are around 24°C, sunshine averages 9.5h per day, and rainfall totals about 351mm.
Annual averages
Temp
24°C
Rain
351mm
Annual total
Sun
9.5h
Weather score
67
Good avg
Hot
Average highs reach 32°C, so days can feel very hot.
Showers
Rainfall averages 86mm, so some wet days are possible.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Map
Compare Sierra Vista, Arizona, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August32°C average high
August is one of Sierra Vista's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August86mm average rain
August is one of Sierra Vista's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August10 hours average sun
August sits close to Sierra Vista'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.
August81 weather score
August scores above Sierra Vista's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to June and September
These months have the strongest weather score in the monthly averages.