Scottsdale Weather in May
With daytime temperatures of 34°C (93°F) and nighttime lows of 18°C (64°F), May in Scottsdale brings very high temperatures during the day. Minimal rainfall makes it a largely dry month.
Rainfall in Scottsdale in May
Past climate data indicates that roughly a single day will see rain, totalling around 6.2 mm (0.2 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Scottsdale in May
Daytime temperatures in Scottsdale reach 34°C (93°F) in May, dropping to 18°C (64°F) at night. For most visitors, the main thing to prepare for is the heat during the day. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Scottsdale in May
The city usually sees around 398 hours of sunlight, indicating many sunny days — a great month for sightseeing.May in Scottsdale can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, 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 May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Scottsdale typically rise from around 32°C (90°F) at the start of May to approximately 36°C (97°F) by the end. Nights are warm, with lows typically ranging from 18°C (64°F) to 23°C (73°F).
Average temperatures in May
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 May
Historical weather for Scottsdale in May
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 May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Scottsdale.
- The warmest day in May was on May 28, 1983, with a maximum of 45°C (113°F).
- The coldest May day was on May 13, 1998, with a maximum of 20°C (68°F).
- The lowest overnight temperature recorded in May was 9°C (48°F) (May 10, 1979).
Best Places in the United States of America in May
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 May →
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What to Wear in Scottsdale in May
Pack for serious heat in Scottsdale in May. 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. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Scottsdale in May
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.