The warmest month in Phoenix is July, with an average high of 41.2°C and an average low of 29.2°C. The coldest month is January, with an average high of 18.3°C and an average low of 5.6°C. Between 2016 and 2025, the highest temperature recorded was 47.7°C (June 19, 2016) and the lowest was -1.4°C (February 3, 2016).
| Month | Avg. high | Avg. low | Precipitation |
|---|---|---|---|
| January | 18.3°C | 5.6°C | 31 mm |
| February | 21.1°C | 7.2°C | 30 mm |
| March | 24.6°C | 10.4°C | 30 mm |
| April | 30.4°C | 15.2°C | 4 mm |
| May | 34.4°C | 19.8°C | 3 mm |
| June | 40.5°C | 25.8°C | 6 mm |
| July | 41.2°C | 29.2°C | 49 mm |
| August | 40.1°C | 28.2°C | 36 mm |
| September | 37.5°C | 24.7°C | 30 mm |
| October | 31.7°C | 17.6°C | 33 mm |
| November | 24.9°C | 11.2°C | 21 mm |
| December | 19.5°C | 7°C | 34 mm |
Based on daily historical weather data 2016–2025. Weather data by Open-Meteo.com.
Explore detailed temperature patterns in Phoenix, United States through interactive candlestick charts. View historical weather data with daily temperature ranges, trends, and variations. Whether you're planning a trip to Phoenix or analyzing local climate patterns, our unique visualization makes temperature data easy to understand. Get insights into Phoenix's weather patterns from hourly updates to yearly historical data.