Scottsdale receives its highest rainfall in Aug, while humidity peaks during winter months.
🌧️ Wettest:Aug — 40 mm☀️ Driest:Jun — 3 mm
💧 Humidity peaks at 47% in Jan · annual avg 35%
🌍 Climate Summary
Avg Annual Temp:72.3°F
Avg Annual Rainfall:295 mm
Avg Humidity:35%
Data Period:1981 – 2025
Scottsdale Climate Overview
Scottsdale has a warm subtropical climate with warm summers and cold winters.
Temperatures peak in Jul and drop to their lowest in Jan,
while rainfall is highest during summer months.
Humidity remains relatively low throughout the year, especially during winter months, creating cold and dry conditions.
📈 Yearly Trends
The warmest year in Scottsdale's recorded history was 2025
(avg: 76.3°F),
while the coldest year was 1991
(avg: 69.4°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Scottsdale's temperature shows a slight warming trend over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall varies year-to-year without a clear long-term trend
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Scottsdale's temperatures shows a slight warming trend over the past decade.
The highest recorded temperature reached
123.1°F in Jul 1995,
while the lowest dropped to
17.5°F in Dec 1990.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Scottsdale shows noticeable variation. Rainfall varies year-to-year without a clear long-term trend.
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Scottsdale, Arizona, with average high temperatures around 114.3°F.
What is the coldest month in Scottsdale?▼
Jan is the coldest month in Scottsdale, with average low temperatures around 29.6°F.
What is the rainiest month in Scottsdale?▼
Aug receives the most rainfall with approximately 40 mm, while Jun is the driest with 3 mm.
What was the highest temperature ever recorded in Scottsdale?▼
The highest recorded temperature was 123.1°F in Jul 1995. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Scottsdale?▼
The lowest recorded temperature was 17.5°F in Dec 1990.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Scottsdale get?▼
Scottsdale receives the most sunlight in Jun with an average solar radiation of 8.28 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Arizona.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.