Weather on August 31
Lancaster, CA
55 Years of Data
Avg High
96°F
Avg Low
63°F
Warmest
2017
88°F avg
Coldest
2000
64°F avg
About This Date
August 31st in Lancaster, CA typically brings hot summer weather, with average highs around 96°F and lows near 63°F — a 33°F daily swing. Over 55 years of records, the warmest August 31st was in 2017 (88°F average), while the coldest was 2000 (64°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 31st dates historically. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Lancaster, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 103° | 64° | 83° | — | — |
| 2024 | 102° | 60° | 81° | — | — |
| 2023 | 97° | 70° | 83° | — | — |
| 2022 | 109° | 64° | 87° | — | — |
| 2021 | 90° | 67° | 78° | — | — |
| 2020 | 99° | 56° | 77° | — | — |
| 2019 | 105° | 64° | 85° | — | — |
| 2018 | 93° | 66° | 80° | — | — |
| 2017warmest | 105° | 71° | 88° | — | — |
| 2016 | 100° | 64° | 82° | — | — |
| 2015 | 95° | 62° | 79° | — | — |
| 2014 | 97° | 74° | 85° | — | — |
| 2013 | 95° | 77° | 86° | — | — |
| 2012 | 95° | 67° | 81° | — | — |
| 2011 | 93° | 67° | 80° | — | — |
| 2010 | 90° | 55° | 72° | — | — |
| 2009 | 102° | 60° | 81° | — | — |
| 2008 | 88° | 69° | 78° | — | — |
| 2007 | 104° | 70° | 87° | — | — |
| 2006 | 100° | 60° | 80° | — | — |
| 2005 | 97° | 53° | 75° | — | — |
| 2004 | 104° | 55° | 80° | — | — |
| 2003 | 99° | 70° | 84° | — | — |
| 2002 | 96° | 56° | 76° | — | — |
| 2001 | 93° | 55° | 74° | — | — |
| 2000coldest | 76° | 53° | 64° | — | — |
| 1999 | 86° | 60° | 73° | — | — |
| 1998 | 100° | 69° | 85° | 0.36" | — |
| 1997 | 94° | 66° | 80° | — | — |
| 1996 | 105° | 67° | 86° | — | — |
| 1995 | 101° | 59° | 80° | — | — |
| 1994 | 91° | 57° | 74° | — | — |
| 1993 | 90° | 63° | 76° | — | — |
| 1992 | 87° | 61° | 74° | — | — |
| 1991 | 98° | 63° | 80° | — | — |
| 1990 | 90° | 64° | 77° | — | — |
| 1989 | 90° | 57° | 73° | — | — |
| 1988 | 101° | 66° | 83° | — | — |
| 1987 | 100° | 60° | 80° | — | — |
| 1986 | 91° | 67° | 79° | — | — |
| 1985 | 101° | 66° | 83° | — | — |
| 1984 | 87° | 65° | 76° | — | — |
| 1983 | 95° | 65° | 80° | — | — |
| 1982 | 96° | 64° | 80° | — | — |
| 1981 | 94° | 69° | 81° | — | — |
| 1980 | 88° | 65° | 76° | — | — |
| 1979 | 89° | 55° | 72° | — | — |
| 1978 | 93° | 59° | 76° | — | — |
| 1977 | 89° | 65° | 77° | — | — |
| 1976 | 105° | 69° | 87° | — | — |
| 1975 | 93° | 51° | 72° | — | — |
| 1974 | 97° | 48° | 72° | — | — |
| 1973 | 89° | 61° | 75° | — | — |
| 1972 | 99° | 65° | 82° | — | — |
| 1971 | 92° | 56° | 74° | — | — |
55 years of data from LANCASTER