August weather in Lancaster, PA
The average temperature in Lancaster in August is 74.1°F (63.0°F–85.1°F). Average precipitation: 3.60 inches.
August is a summer month in Lancaster, and is warmer than the annual average of 53.7°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 35m. For travel, August is a comfortable month to visit.
Avg High
85.1°F
Avg Low
63.0°F
Precipitation
3.60 in
Daylight
13h 35m
August records in Lancaster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1983) | 54.0°F (1998) | 1.45 in (2018) |
| August 2 | 100.9°F (2002) | 54.0°F (1990) | 1.17 in (1986) |
| August 3 | 96.1°F (2006) | 55.0°F (1985) | 1.46 in (1948) |
| August 4 | 96.1°F (1987) | 53.1°F (1985) | 2.94 in (2020) |
| August 5 | 95.0°F (1980) | 55.0°F (1992) | 1.50 in (1948) |
| August 6 | 96.1°F (2001) | 48.0°F (1994) | 2.00 in (2024) |
| August 7 | 98.1°F (2001) | 51.1°F (1994) | 2.66 in (2020) |
| August 8 | 98.1°F (2001) | 51.1°F (1989) | 1.08 in (1985) |
| August 9 | 100.9°F (2001) | 50.0°F (1989) | 2.24 in (1987) |
| August 10 | 96.1°F (2010) | 53.1°F (1989) | 0.94 in (1951) |
| August 11 | 96.1°F (2021) | 55.0°F (1996) | 0.96 in (2001) |
| August 12 | 99.0°F (2021) | 53.1°F (2006) | 1.97 in (1983) |
| August 13 | 99.0°F (2002) | 51.1°F (1982) | 1.98 in (2013) |
| August 14 | 100.0°F (2002) | 41.0°F (2014) | 1.52 in (1999) |
| August 15 | 98.1°F (1988) | 48.0°F (2014) | 0.34 in (2022) |
| August 16 | 99.0°F (1997) | 48.0°F (2014) | 1.92 in (2003) |
| August 17 | 95.0°F (1999) | 46.9°F (1979) | 2.03 in (1994) |
| August 18 | 96.1°F (2002) | 45.0°F (1981) | 2.01 in (2021) |
| August 19 | 93.0°F (2002) | 48.0°F (1981) | 1.02 in (1989) |
| August 20 | 100.9°F (1983) | 50.0°F (1998) | 2.15 in (1951) |
| August 21 | 91.0°F (1995) | 46.9°F (1981) | 1.27 in (2018) |
| August 22 | 93.9°F (1983) | 48.0°F (1982) | 1.38 in (1994) |
| August 23 | 93.0°F (1983) | 48.9°F (1985) | 1.43 in (2021) |
| August 24 | 91.9°F (2021) | 46.0°F (2014) | 0.95 in (2002) |
| August 25 | 96.1°F (2021) | 48.0°F (1987) | 0.72 in (1985) |
| August 26 | 95.0°F (2021) | 51.1°F (1995) | 1.15 in (2007) |
| August 27 | 93.9°F (1993) | 51.1°F (2014) | 1.75 in (2011) |
| August 28 | 95.0°F (1993) | 51.1°F (2019) | 4.60 in (1978) |
| August 29 | 95.0°F (2018) | 39.0°F (1986) | 4.06 in (1978) |
| August 30 | 96.1°F (1991) | 37.0°F (1986) | 0.80 in (1950) |
| August 31 | 96.1°F (2010) | 39.9°F (1986) | 1.31 in (2018) |