Scottsdale Weather in August
August in Scottsdale brings extremely high temperatures, with daytime highs of 40°C (104°F) and nights around 27°C (81°F). It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Scottsdale in August
Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. Expect around 7 days of rain based on historical data, with 32 mm (1.3 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Scottsdale in August
Daytime highs in Scottsdale in August reach 40°C (104°F), with nights around 27°C (81°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Scottsdale in August
Enjoy a sunny month with about 357 hours of sunshine, the clear skies make Scottsdale even more beautiful.August in Scottsdale has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Scottsdale's climate page.
Scottsdale Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
40°C (104°F)
Chance of Rain
23%
Precipitation
32 mm (1.3 in)
Rainy days
7 days
Sunshine
357 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Scottsdale typically stay consistent throughout August, with daily highs averaging around 40°C (104°F). Nights are warm, with lows around 29°C (84°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Scottsdale in August
Browse day-by-day weather records for Scottsdale spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Scottsdale historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Scottsdale.
- Scottsdale recorded its highest August temperature of 47°C (117°F) on August 7, 2025.
- The lowest daytime temperature in August was 25°C (77°F), recorded on August 23, 1992.
- Nighttime temperatures dropped to 21°C (70°F) on August 21, 1979, marking the coldest August night on record.
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in Scottsdale in August
Pack for serious heat in Scottsdale in August. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Scottsdale in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Scottsdale's climate page.
See the full Scottsdale climate overview or explore weather in the United States of America.
