Tomorrow in Scottsdale looks
sunny, with a high of 108°
and an overnight low of 91°.
Precipitation chance is modest at 17%.
Winds top out near 19 mph,
and the UV index reaches 10 (very high).
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.
Scottsdale weather: 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.
Season by season
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.
Average temperatures in Scottsdale by month
Monthly averages for Scottsdale based on 2015–2024 weather data.
July is the hottest month in Scottsdale, with average highs of 106°F (41°C) and overnight lows near 85°F (29°C). In the past decade the temperature has peaked at 117°F (47°C).
What is the coldest month in Scottsdale?
January is the coldest month, with highs averaging 65°F (18°C) and lows around 43°F (6°C). The lowest reading in recent years was 28°F (-2°C).
What is the rainiest month in Scottsdale?
July is typically the wettest month, averaging 1.8 inches (47 mm) of precipitation across about 5 days. May is usually the driest.
Does it snow in Scottsdale?
Snow is essentially absent in Scottsdale - the 2015–2024 record shows no regular measurable snowfall.
What is the 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).
How sunny is Scottsdale?
Scottsdale averages 10.9 hours of sunshine per day across the year. June is the sunniest month at about 13.2 hours of sun a day.
Is Scottsdale humid?
Relative humidity in Scottsdale averages about 34% over the year, which feels dry. The most comfortable months tend to fall in the drier part of the year.