May weather in Phoenix, AZ
The average temperature in Phoenix in May is 78.1°F (64.7°F–91.5°F). Average precipitation: 0.19 inches.
May is a spring month in Phoenix, and is warmer than the annual average of 72.5°F. Daily temperatures swing about 26.8°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 44m. For travel, May is hot.
Avg High
91.5°F
Avg Low
64.7°F
Precipitation
0.19 in
Daylight
13h 44m
May records in Phoenix
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 98.1°F (2015) | 46.9°F (1999) | 0.00 in (1999) |
| May 2 | 98.1°F (2000) | 53.1°F (1999) | 0.00 in (1999) |
| May 3 | 98.1°F (2017) | 53.1°F (2010) | 0.00 in (1999) |
| May 4 | 100.9°F (2017) | 50.0°F (1999) | 0.54 in (2015) |
| May 5 | 105.1°F (2017) | 52.0°F (1999) | 0.05 in (2025) |
| May 6 | 102.9°F (2018) | 52.0°F (2024) | 0.02 in (2016) |
| May 7 | 102.0°F (2020) | 54.0°F (2005) | 0.08 in (2019) |
| May 8 | 104.0°F (2001) | 53.1°F (2005) | 0.05 in (2019) |
| May 9 | 105.1°F (2001) | 50.0°F (2015) | 0.09 in (2017) |
| May 10 | 102.0°F (2018) | 50.0°F (2003) | 0.01 in (2020) |
| May 11 | 102.9°F (2001) | 52.0°F (2005) | 0.00 in (1999) |
| May 12 | 102.0°F (2007) | 48.9°F (2010) | 0.00 in (1999) |
| May 13 | 100.0°F (2002) | 57.0°F (2022) | 0.05 in (2008) |
| May 14 | 100.9°F (2006) | 54.0°F (2008) | 0.00 in (1999) |
| May 15 | 102.9°F (2022) | 53.1°F (2015) | 0.79 in (2015) |
| May 16 | 100.9°F (2012) | 53.1°F (2015) | 0.17 in (2006) |
| May 17 | 102.0°F (2006) | 54.0°F (2017) | 0.05 in (2023) |
| May 18 | 102.9°F (2009) | 55.9°F (2019) | 0.02 in (2011) |
| May 19 | 108.0°F (2008) | 52.0°F (2011) | 0.03 in (2001) |
| May 20 | 106.0°F (2008) | 53.1°F (2020) | 0.12 in (2019) |
| May 21 | 106.0°F (2005) | 48.0°F (2019) | 0.14 in (2009) |
| May 22 | 108.0°F (2000) | 52.0°F (2008) | 0.14 in (2009) |
| May 23 | 107.1°F (2001) | 50.0°F (2019) | 0.68 in (2008) |
| May 24 | 107.1°F (2001) | 48.9°F (2010) | 0.01 in (2008) |
| May 25 | 107.1°F (2001) | 54.0°F (2010) | 0.00 in (1999) |
| May 26 | 106.0°F (2001) | 55.9°F (2019) | 0.00 in (1999) |
| May 27 | 106.0°F (2020) | 55.0°F (2012) | 0.00 in (1999) |
| May 28 | 109.0°F (2000) | 55.9°F (2019) | 0.00 in (1999) |
| May 29 | 109.9°F (2000) | 60.1°F (2006) | 0.00 in (1999) |
| May 30 | 107.1°F (2002) | 57.0°F (2011) | 0.11 in (2003) |
| May 31 | 108.0°F (2001) | 60.1°F (2011) | 0.00 in (1999) |