Historical Weather in Phoenix, AZ
Phoenix is the hottest major city in the United States, where summer temperatures routinely exceed 110°F and occasionally push past 120°F. The Sonoran Desert climate delivers extreme heat but also remarkably mild winters, making Phoenix a top winter destination with average January highs near 67°F.
Part of Arizona weather history · Arizona temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Phoenix, AZ, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Phoenix, AZ Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Phoenix, AZ Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Phoenix, AZ Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Phoenix, AZ
Phoenix, AZ has no months that meet our "pleasant" threshold — every season has tradeoffs.
Phoenix Temperature Records
- Record High: The hottest temperature ever recorded in Phoenix, AZ is 125°F, set on June 26, 1990.
- Record Low: The coldest temperature ever recorded in Phoenix, AZ is 17°F, set on February 3, 2011.
- Data Coverage: Based on 56 years of data from NOAA weather station: YOUNGTOWN.
All-Time Record High
All-Time Record Low
Monthly Temperature Records in Phoenix
| Month | Record High | Record Low |
|---|---|---|
| January | 89°F(1971) | 18°F(1971) |
| February | 92°F(1986) | 17°F(2011) |
| March | 102°F(2025) | 22°F(1971) |
| April | 105°F(2023) | 32°F(1977) |
| May | 115°F(1984) | 36°F(1975) |
| June | 125°F(1990) | 50°F(1971) |
| July | 125°F(1995) | 58°F(1978) |
| August | 118°F(2020) | 57°F(1978) |
| September | 118°F(2020) | 46°F(1978) |
| October | 111°F(2024) | 29°F(2019) |
| November | 97°F(2020) | 22°F(1976) |
| December | 87°F(1980) | 20°F(1978) |