Weather on May 17
Lancaster, CA
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
2006
81°F avg
Coldest
1977
52°F avg
About This Date
May 17th in Lancaster, CA typically brings warm spring weather, with average highs around 81°F and lows near 53°F — a 28°F daily swing. Over 55 years of records, the warmest May 17th was in 2006 (81°F average), while the coldest was 1977 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 17th dates historically. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for May 17th in Lancaster, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 53° | 58° | — | — |
| 2024 | 86° | 59° | 73° | — | — |
| 2023 | 97° | 56° | 76° | — | — |
| 2022 | 88° | 61° | 74° | — | — |
| 2021 | 87° | 54° | 70° | — | — |
| 2020 | 80° | 60° | 70° | — | — |
| 2019 | 64° | 46° | 55° | — | — |
| 2018 | 78° | 52° | 65° | — | — |
| 2017 | 67° | 51° | 59° | — | — |
| 2016 | 82° | 58° | 70° | — | — |
| 2015 | 74° | 50° | 62° | — | — |
| 2014 | 93° | 68° | 81° | — | — |
| 2013 | 79° | 56° | 67° | — | — |
| 2012 | 94° | 62° | 78° | — | — |
| 2011 | 62° | 44° | 53° | — | — |
| 2010 | 65° | 51° | 58° | — | — |
| 2009 | 102° | 58° | 80° | — | — |
| 2008 | 100° | 53° | 77° | — | — |
| 2007 | 92° | 61° | 76° | — | — |
| 2006warmest | 99° | 63° | 81° | 0.03" | — |
| 2005 | 78° | 50° | 64° | — | — |
| 2004 | 76° | 57° | 66° | — | — |
| 2003 | 82° | 62° | 72° | — | — |
| 2002 | 92° | 61° | 76° | — | — |
| 2001 | 92° | 62° | 77° | — | — |
| 2000 | 74° | 51° | 62° | — | — |
| 1999 | 85° | 42° | 63° | — | — |
| 1998 | 71° | 46° | 59° | — | — |
| 1997 | 93° | 62° | 78° | — | — |
| 1996 | 82° | 54° | 68° | — | — |
| 1995 | 76° | 51° | 63° | — | — |
| 1994 | 59° | 46° | 53° | — | — |
| 1993 | 85° | 52° | 68° | — | — |
| 1992 | 86° | 49° | 67° | — | — |
| 1991 | 66° | 49° | 57° | — | — |
| 1990 | 76° | 55° | 65° | — | — |
| 1989 | 81° | 56° | 68° | — | — |
| 1988 | 66° | 53° | 60° | — | — |
| 1987 | 82° | 55° | 69° | — | — |
| 1986 | 89° | 51° | 70° | — | — |
| 1985 | 80° | 48° | 64° | — | — |
| 1984 | 81° | 51° | 66° | — | — |
| 1983 | 77° | 42° | 60° | — | — |
| 1982 | 85° | 59° | 72° | — | — |
| 1981 | 82° | 42° | 62° | — | — |
| 1980 | 86° | 58° | 72° | — | — |
| 1979 | 86° | 53° | 70° | — | — |
| 1978 | 79° | 37° | 58° | — | — |
| 1977coldest | 62° | 43° | 52° | — | — |
| 1976 | 92° | 57° | 74° | — | — |
| 1975 | 87° | 49° | 68° | — | — |
| 1974 | 67° | 43° | 55° | — | — |
| 1973 | 96° | 58° | 77° | — | — |
| 1972 | 79° | 49° | 64° | — | — |
| 1971 | 75° | 45° | 60° | — | — |
55 years of data from LANCASTER