Scottsdale, AZ Climate & Monthly Averages
The climate of Scottsdale
Weather in Scottsdale is shaped by its semi-arid climate - expect big day-to-night temperature swings and modest rainfall. July afternoons typically reach 106°F (41°C), while January highs hover near 65°F (18°C). Annual precipitation averages 11.6 inches (294 mm) over about 35 rainy days.
Climate quick facts
- Hottest month: July - highs near 106°F (41°C)
- Coldest month: January - highs near 65°F (18°C)
- Record high: 117°F (47°C) · Record low: 28°F (-2°C) (2015–2024)
- Wettest month: July (5 rainy days) · Sunniest: June (13.2 h sun/day)
- Climate type: semi-arid - big day-to-night temperature swings and modest rainfall
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 106°F (41°C) and overnight lows stay near 85°F (29°C). The coolest month is January, with typical highs of 65°F (18°C) and lows around 43°F (6°C). Based on 2015–2024 weather data, temperatures have reached as high as 117°F (47°C) and dropped as low as 28°F (-2°C).
Rain, sun and snow
July is usually the wettest month. It brings about 1.8 inches (47 mm) of rain over 5 days, while May is the driest. June brings the most sunshine, averaging 13.2 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 65° | 43° | 5 | 1.5 in | 8.5 h/day | 54% |
| February | 70° | 46° | 4 | 1.3 in | 9.7 h/day | 45% |
| March | 76° | 51° | 4 | 1.2 in | 10.6 h/day | 37% |
| April | 86° | 60° | 1 | 0.2 in | 12.5 h/day | 21% |
| May | 93° | 67° | 1 | 0.1 in | 12.9 h/day | 19% |
| June | 104° | 79° | 1 | 0.2 in | 13.2 h/day | 17% |
| July | 106° | 85° | 5 | 1.8 in | 12.1 h/day | 31% |
| August | 104° | 83° | 5 | 1.4 in | 12.2 h/day | 35% |
| September | 99° | 77° | 3 | 0.9 in | 11.4 h/day | 32% |
| October | 89° | 64° | 2 | 0.9 in | 10.5 h/day | 31% |
| November | 76° | 53° | 2 | 0.7 in | 9.4 h/day | 35% |
| December | 66° | 45° | 4 | 1.2 in | 8.2 h/day | 48% |
Scottsdale month by month
Scottsdale weather in January
January brings highs around 65°F (18°C), lows near 43°F (6°C), about 5 wet days - typically the coldest month of the year in Scottsdale.
Scottsdale weather in February
February brings highs around 70°F (21°C), lows near 46°F (8°C), about 4 wet days.
Scottsdale weather in March
March brings highs around 76°F (25°C), lows near 51°F (11°C), about 4 wet days.
Scottsdale weather in April
April brings highs around 86°F (30°C), lows near 60°F (15°C), about 1 wet days.
Scottsdale weather in May
May brings highs around 93°F (34°C), lows near 67°F (20°C), about 1 wet days - typically the driest month of the year in Scottsdale.
Scottsdale weather in June
June brings highs around 104°F (40°C), lows near 79°F (26°C), about 1 wet days - typically the sunniest month of the year in Scottsdale.
Scottsdale weather in July
July brings highs around 106°F (41°C), lows near 85°F (29°C), about 5 wet days - typically the hottest month and the wettest month of the year in Scottsdale.
Scottsdale weather in August
August brings highs around 104°F (40°C), lows near 83°F (28°C), about 5 wet days.
Scottsdale weather in September
September brings highs around 99°F (37°C), lows near 77°F (25°C), about 3 wet days.
Scottsdale weather in October
October brings highs around 89°F (32°C), lows near 64°F (18°C), about 2 wet days.
Scottsdale weather in November
November brings highs around 76°F (24°C), lows near 53°F (11°C), about 2 wet days.
Scottsdale weather in December
December brings highs around 66°F (19°C), lows near 45°F (7°C), about 4 wet days.
Seasons in Scottsdale
Spring (March through May)
Spring in Scottsdale is hot, with daytime highs averaging 85°F (30°C) and nights around 59°F (15°C); precipitation is infrequent.
Summer (June through August)
Summer in Scottsdale brings serious heat, with daytime highs averaging 105°F (40°C) and nights around 82°F (28°C); rain falls on about 10 days over the three months.
Fall (September through November)
Fall in Scottsdale is hot, with daytime highs averaging 88°F (31°C) and nights around 65°F (18°C); precipitation is infrequent.
Winter (December through February)
Winter in Scottsdale stays on the cool side of mild, with daytime highs averaging 67°F (19°C) and nights around 45°F (7°C); rain falls on about 12 days over the three months.
Climate questions, answered
What is the average temperature in Scottsdale?
Is Scottsdale hot in summer?
Is Scottsdale cold in winter?
How many rainy days does Scottsdale get in a year?
Best time to visit Scottsdale
The best time to visit Scottsdale is generally November to March, when temperatures are at their most comfortable before or after the peak heat. Daytime temperatures in that window typically sit near 71°F (22°C).
Pack for Scottsdale with lightweight, breathable clothing and strong sun protection for the hot months. Evenings can feel noticeably cooler than afternoons - July nights average 85°F (29°C).
Scottsdale temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.