Scottsdale weather in August: Scottsdale, Arizona: normal highs, lows, rain and records for August

Scottsdale in August has a normal high of 103°F and a normal low of 82°F, a daily mean of 92°F, holding near 103°F all month. Measurable precipitation falls on 4 days in a normal August, 0.83 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 39°C and low of 28°C, 21 mm of precipitation in August.

  • NOAA stationScottsdale Municipal Airport
  • Station IDUSW00003192
  • Location33.62°N 111.91°W
  • Elevation1,473 ft (449 m)
  • Population246,170
  1. Jan 67° 43°
  2. Feb 69° 46°
  3. Mar 76° 52°
  4. Apr 83° 58°
  5. May 92° 67°
  6. Jun 102° 76°
  7. Jul 104° 83°
  8. Aug 103° 82°
  9. Sep 98° 75°
  10. Oct 87° 63°
  11. Nov 75° 51°
  12. Dec 65° 43°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Scottsdale in August?

The normal high is 103°F and the normal low 82°F, for a daily mean of 92.3°F. August is 1.1°F cooler than July and 5.6°F warmer than September. August is the 2nd warmest month of the year in Scottsdale and the 6th wettest. Across the month the normal high falls 1°F, from 103°F on August 1 to 102°F on August 31. From one year to the next August's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 90°F and 94°F.

Scottsdale in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 15%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 1103°F83°F15%7%
August 8103°F83°F14%7%
August 15103°F82°F13%7%
August 22103°F81°F12%7%
August 31102°F80°F11%6%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Scottsdale: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 1103°F83°F15%7%13 h 50 min
August 2103°F83°F15%7%13 h 50 min
August 3103°F83°F15%7%13 h 50 min
August 4103°F83°F15%7%13 h 50 min
August 5103°F83°F15%7%13 h 40 min
August 6103°F83°F15%7%13 h 40 min
August 7103°F83°F15%7%13 h 40 min
August 8103°F83°F14%7%13 h 40 min
August 9103°F82°F14%7%13 h 40 min
August 10103°F82°F14%7%13 h 40 min
August 11103°F82°F14%7%13 h 30 min
August 12103°F82°F14%7%13 h 30 min
August 13103°F82°F14%7%13 h 30 min
August 14103°F82°F14%7%13 h 30 min
August 15103°F82°F13%7%13 h 30 min
August 16103°F82°F13%7%13 h 20 min
August 17103°F82°F13%7%13 h 20 min
August 18103°F82°F13%7%13 h 20 min
August 19103°F82°F13%7%13 h 20 min
August 20103°F82°F13%7%13 h 20 min
August 21103°F82°F13%7%13 h 20 min
August 22103°F81°F12%7%13 h 10 min
August 23103°F81°F12%7%13 h 10 min
August 24103°F81°F12%7%13 h 10 min
August 25103°F81°F12%7%13 h 10 min
August 26103°F81°F12%6%13 h 10 min
August 27103°F81°F12%6%13 h
August 28103°F81°F11%6%13 h
August 29103°F81°F11%6%13 h
August 30102°F80°F11%6%13 h
August 31102°F80°F11%6%13 h
Normal high
103°FAugust average
Normal low
82°FAugust average
Precipitation
0.83 inmonth total
Days with precipitation
40.01 inch or more
Days at 90°F or more
30
Daylight
13 h 50 min to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
91%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00003192; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Scottsdale in August?

On a given August day the chance of 0.01 inch or more is 13% on average, highest around August 1 (15%). In all, 0.83 in falls on 4 days of a normal August.

In a normal August in Scottsdale, 30 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003192.

What are the records for August in Scottsdale?

The warmest August temperature on this station's record (since 2000) is 116°F, on August 7, 2025; the coldest is 68°F, on August 24, 2002. The wettest August brought 4.25 in (2021).

The August mean against the 1991-2020 normal of 92.3°F: 2021 90.5°F (−1.8), 2022 91.3°F (−1.0), 2023 95.4°F (+3.1), 2024 95.0°F (+2.7), 2025 95.1°F (+2.8), 2026 96.1°F (+3.8). 4 of 6 ran warmer than normal.

Scottsdale: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202190.5°F−1.8°F4.25 in
202291.3°F−1.0°F3.78 in
202395.4°F+3.1°F0.27 in
202495.0°F+2.7°F0.00 in
202595.1°F+2.8°F1.14 in
202696.1°F+3.8°F0.43 in

Source: records: ACIS, station USW00003192; recent months: ACIS, station USW00003192. Records and recent months use complete months only.

How does August in Scottsdale compare across Arizona?

Across the 97 places PlainClimate covers in Arizona, August normal highs run from 73°F in Greer to 109°F in Bullhead City; Scottsdale's is 103°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places