Scottsdale weather by month
What a typical year looks like in Scottsdale, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CAREFREE, 15 km from Scottsdale; records cover 1961–2026.
The year at a glance
- Precipitation a year
- 12.6 in320 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 6
- First fall freeze
- Dec 9
- Heating degree days
- 1,428
- Cooling degree days
- 3,511
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 31°−1° (heating, 99%) and 111°44° (cooling, 1%).
Month by month
Scottsdale in January
Highs average 65°18° and lows 42°5°, with 1.8 in46 mm of precipitation in a typical January.
- Record high
- 84°29° (1971)
- Record low
- 15°−9° (1963)
- Heating degree days
- 370
- Cooling degree days
- 1
Scottsdale in February
Highs average 68°20° and lows 44°7°, with 1.6 in41 mm of precipitation in a typical February.
- Record high
- 88°31° (2026)
- Record low
- 19°−7° (2011)
- Heating degree days
- 266
- Cooling degree days
- 4
Scottsdale in March
Highs average 74°23° and lows 48°9°, with 1.6 in42 mm of precipitation in a typical March.
- Record high
- 102°39° (2026)
- Record low
- 24°−4° (1971)
- Heating degree days
- 160
- Cooling degree days
- 36
Scottsdale in April
Highs average 82°28° and lows 53°12°, with 0.5 in13 mm of precipitation in a typical April.
- Record high
- 102°39° (2020)
- Record low
- 32°0° (1999)
- Heating degree days
- 56
- Cooling degree days
- 122
Scottsdale in May
Highs average 91°33° and lows 61°16°, with 0.15 in3.8 mm of precipitation in a typical May.
- Record high
- 109°43° (2020)
- Record low
- 37°3° (1964)
- Heating degree days
- 9
- Cooling degree days
- 353
Scottsdale in June
Highs average 101°38° and lows 70°21°, with 0.12 in3 mm of precipitation in a typical June.
- Record high
- 118°48° (2017)
- Record low
- 49°9° (1999)
- Heating degree days
- 0
- Cooling degree days
- 610
Scottsdale in July
Highs average 103°40° and lows 76°24°, with 1.3 in32 mm of precipitation in a typical July.
- Record high
- 118°48° (1995)
- Record low
- 56°13° (1972)
- Heating degree days
- 0
- Cooling degree days
- 764
Scottsdale in August
Highs average 102°39° and lows 76°24°, with 1.3 in33 mm of precipitation in a typical August.
- Record high
- 114°46° (2025)
- Record low
- 59°15° (1990)
- Heating degree days
- 0
- Cooling degree days
- 747
Scottsdale in September
Highs average 97°36° and lows 70°21°, with 1.2 in29 mm of precipitation in a typical September.
- Record high
- 111°44° (2020)
- Record low
- 44°7° (1965)
- Heating degree days
- 0
- Cooling degree days
- 561
Scottsdale in OctoberThis month
Highs average 86°30° and lows 60°16°, with 0.97 in25 mm of precipitation in a typical October.
- Record high
- 107°42° (2024)
- Record low
- 32°0° (1971)
- Heating degree days
- 20
- Cooling degree days
- 262
Scottsdale in November
Highs average 74°23° and lows 49°10°, with 0.77 in20 mm of precipitation in a typical November.
- Record high
- 92°33° (1999)
- Record low
- 28°−2° (1964)
- Heating degree days
- 157
- Cooling degree days
- 50
Scottsdale in December
Highs average 64°18° and lows 41°5°, with 1.3 in33 mm of precipitation in a typical December.
- Record high
- 82°28° (2021)
- Record low
- 20°−7° (1990)
- Heating degree days
- 390
- Cooling degree days
- 1