May weather in Tucson, AZ
The average temperature in Tucson in May is 76.8°F (61.8°F–91.8°F). Average precipitation: 0.20 inches.
May is a spring month in Tucson, and is warmer than the annual average of 70.6°F. Daily temperatures swing about 30°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 39m. For travel, May is hot.
Avg High
91.8°F
Avg Low
61.8°F
Precipitation
0.20 in
Daylight
13h 39m
May records in Tucson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 100.0°F (2020) | 39.0°F (1967) | 0.25 in (1981) |
| May 2 | 99.0°F (1986) | 39.0°F (1967) | 0.03 in (1990) |
| May 3 | 99.0°F (1986) | 41.0°F (1955) | 0.01 in (1976) |
| May 4 | 100.0°F (2017) | 42.1°F (1950) | 0.16 in (1982) |
| May 5 | 104.0°F (2017) | 37.9°F (1950) | 0.45 in (1969) |
| May 6 | 106.0°F (2020) | 39.9°F (1975) | 0.48 in (1978) |
| May 7 | 105.1°F (1989) | 39.9°F (1975) | 0.13 in (1995) |
| May 8 | 106.0°F (1989) | 39.9°F (1965) | 0.07 in (1987) |
| May 9 | 102.0°F (2009) | 42.1°F (1950) | 0.25 in (1979) |
| May 10 | 102.0°F (2018) | 42.1°F (1953) | 0.16 in (1997) |
| May 11 | 105.1°F (1996) | 46.0°F (1953) | 1.10 in (2019) |
| May 12 | 107.1°F (1996) | 48.0°F (1979) | 0.15 in (1957) |
| May 13 | 105.1°F (1988) | 44.1°F (1953) | 0.08 in (1977) |
| May 14 | 104.0°F (1988) | 46.0°F (1967) | 0.13 in (1987) |
| May 15 | 105.1°F (2022) | 46.0°F (1951) | 0.29 in (1993) |
| May 16 | 100.9°F (1948) | 45.0°F (1955) | 0.14 in (2007) |
| May 17 | 102.9°F (2003) | 46.9°F (1953) | 0.11 in (1975) |
| May 18 | 102.0°F (2009) | 46.9°F (1962) | 0.48 in (2023) |
| May 19 | 102.9°F (2008) | 46.0°F (1971) | 0.15 in (1992) |
| May 20 | 105.1°F (2005) | 44.1°F (1974) | 0.28 in (1987) |
| May 21 | 107.1°F (2005) | 45.0°F (1974) | 0.53 in (2009) |
| May 22 | 109.0°F (2005) | 46.0°F (1962) | 0.14 in (2009) |
| May 23 | 106.0°F (1984) | 46.9°F (1965) | 0.27 in (1992) |
| May 24 | 104.0°F (1983) | 48.9°F (1957) | 0.50 in (1967) |
| May 25 | 104.0°F (1949) | 43.0°F (1980) | 0.08 in (1967) |
| May 26 | 107.1°F (1951) | 48.9°F (1955) | 0.29 in (1994) |
| May 27 | 107.1°F (1951) | 50.0°F (1987) | 0.44 in (2005) |
| May 28 | 107.1°F (1958) | 46.9°F (1953) | 0.19 in (2005) |
| May 29 | 108.0°F (2000) | 48.9°F (1953) | 0.05 in (1972) |
| May 30 | 106.0°F (2002) | 50.0°F (1953) | 0.44 in (1986) |
| May 31 | 107.1°F (2002) | 48.9°F (1988) | 0.00 in (1948) |