May weather in Lancaster, CA
The average temperature in Lancaster in May is 67.5°F (53.4°F–81.6°F). Average precipitation: 0.10 inches.
May is a spring month in Lancaster, and is warmer than the annual average of 62.1°F. Daily temperatures swing about 28.2°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 49m. For travel, May is a comfortable month to visit.
Avg High
81.6°F
Avg Low
53.4°F
Precipitation
0.10 in
Daylight
13h 49m
May records in Lancaster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.9°F (1996) | 32.0°F (2011) | 0.15 in (2025) |
| May 2 | 96.1°F (2004) | 34.0°F (1988) | 0.03 in (2003) |
| May 3 | 98.1°F (2004) | 36.0°F (2013) | 0.21 in (2003) |
| May 4 | 96.1°F (2017) | 37.0°F (1991) | 0.28 in (1998) |
| May 5 | 97.0°F (1989) | 39.0°F (1988) | 0.49 in (2005) |
| May 6 | 95.0°F (1987) | 33.1°F (1978) | 0.15 in (2013) |
| May 7 | 96.1°F (2001) | 37.0°F (2017) | 0.19 in (2015) |
| May 8 | 98.1°F (2001) | 36.0°F (2017) | 1.01 in (1977) |
| May 9 | 98.1°F (2001) | 37.9°F (2024) | 0.09 in (1977) |
| May 10 | 96.1°F (2025) | 39.0°F (1979) | 0.24 in (1980) |
| May 11 | 97.0°F (2006) | 39.9°F (2003) | 0.02 in (1987) |
| May 12 | 98.1°F (2013) | 37.0°F (1983) | 0.15 in (1998) |
| May 13 | 99.0°F (2013) | 39.0°F (2014) | 0.16 in (1998) |
| May 14 | 98.1°F (2006) | 42.1°F (1995) | 0.09 in (2015) |
| May 15 | 95.0°F (2009) | 41.0°F (1984) | 0.12 in (1989) |
| May 16 | 100.9°F (2009) | 42.1°F (2011) | 0.03 in (2019) |
| May 17 | 102.0°F (2009) | 37.0°F (1978) | 0.01 in (2006) |
| May 18 | 102.9°F (2008) | 37.9°F (1998) | 0.02 in (2019) |
| May 19 | 102.0°F (2008) | 39.9°F (1974) | 0.47 in (2019) |
| May 20 | 99.0°F (2001) | 43.0°F (1991) | 0.04 in (1981) |
| May 21 | 99.0°F (2001) | 41.0°F (1974) | 0.00 in (1974) |
| May 22 | 102.0°F (2000) | 44.1°F (2010) | 0.01 in (2006) |
| May 23 | 102.0°F (2001) | 41.0°F (1980) | 0.06 in (2008) |
| May 24 | 99.0°F (2001) | 39.0°F (2008) | 0.00 in (1974) |
| May 25 | 99.0°F (1974) | 41.0°F (2010) | 0.05 in (1987) |
| May 26 | 104.0°F (1974) | 39.0°F (1980) | 0.00 in (1974) |
| May 27 | 102.0°F (2020) | 41.0°F (2019) | 0.03 in (1981) |
| May 28 | 106.0°F (2003) | 45.0°F (2019) | 0.06 in (1990) |
| May 29 | 100.9°F (1984) | 39.0°F (2010) | 0.02 in (2009) |
| May 30 | 102.0°F (2001) | 42.1°F (2010) | 0.00 in (1974) |
| May 31 | 104.0°F (2001) | 43.0°F (1989) | 0.00 in (1974) |