Weather on May 15
Lancaster, CA
55 Years of Data
About This Date
May 15th in Lancaster, CA typically brings warm spring weather, with average highs around 81°F and lows near 54°F — a 27°F daily swing. Over 56 years of records, the warmest May 15th was in 1997 (79°F average), while the coldest was 2011 (51°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 15th dates historically. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in Lancaster, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 88° | 64° | 76° | — | — |
| 2025 | 83° | 46° | 64° | — | — |
| 2024 | 92° | 64° | 78° | 0.05" | — |
| 2023 | 94° | 51° | 72° | — | — |
| 2022 | 92° | 49° | 70° | — | — |
| 2021 | 75° | 53° | 64° | — | — |
| 2020 | 82° | 56° | 69° | — | — |
| 2019 | 74° | 53° | 63° | — | — |
| 2018 | 77° | 54° | 65° | — | — |
| 2017 | 64° | 47° | 55° | — | — |
| 2016 | 77° | 57° | 67° | — | — |
| 2015 | 64° | 43° | 53° | — | — |
| 2014 | 94° | 44° | 69° | — | — |
| 2013 | 91° | 66° | 79° | — | — |
| 2012 | 84° | 55° | 70° | — | — |
| 2011coldest | 60° | 43° | 51° | 0.13" | — |
| 2010 | 86° | 49° | 67° | — | — |
| 2009 | 95° | 61° | 78° | — | — |
| 2008 | 94° | 56° | 75° | — | — |
| 2007 | 91° | 48° | 70° | — | — |
| 2006 | 94° | 64° | 79° | — | — |
| 2005 | 91° | 63° | 77° | — | — |
| 2004 | 87° | 60° | 74° | — | — |
| 2003 | 84° | 57° | 71° | — | — |
| 2002 | 87° | 63° | 75° | — | — |
| 2001 | 90° | 63° | 76° | — | — |
| 2000 | 68° | 50° | 59° | — | — |
| 1999 | 72° | 46° | 59° | — | — |
| 1998 | 71° | 46° | 59° | — | — |
| 1997warmest | 91° | 66° | 79° | — | — |
| 1996 | 79° | 61° | 70° | — | — |
| 1995 | 61° | 43° | 52° | — | — |
| 1994 | 76° | 55° | 65° | — | — |
| 1993 | 81° | 54° | 67° | — | — |
| 1992 | 83° | 58° | 70° | — | — |
| 1991 | 82° | 43° | 62° | — | — |
| 1990 | 76° | 51° | 63° | — | — |
| 1989 | 68° | 50° | 59° | 0.3" | — |
| 1988 | 87° | 49° | 68° | — | — |
| 1987 | 85° | 66° | 75° | — | — |
| 1986 | 81° | 60° | 70° | — | — |
| 1985 | 80° | 53° | 67° | — | — |
| 1984 | 64° | 41° | 53° | — | — |
| 1983 | 79° | 59° | 69° | — | — |
| 1982 | 81° | 56° | 68° | — | — |
| 1981 | 66° | 54° | 60° | — | — |
| 1980 | 74° | 54° | 64° | — | — |
| 1979 | 83° | 49° | 66° | — | — |
| 1978 | 68° | 52° | 60° | — | — |
| 1977 | 66° | 49° | 57° | — | — |
| 1976 | 94° | 57° | 75° | — | — |
| 1975 | 78° | 52° | 65° | — | — |
| 1974 | 72° | 52° | 62° | — | — |
| 1973 | 88° | 48° | 68° | — | — |
| 1972 | 96° | 53° | 75° | — | — |
| 1971 | 87° | 53° | 70° | — | — |
Lancaster, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Lancaster, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Lancaster, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Lancaster, CA
Lancaster, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.