| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 38.9 | 22.6 | 77 | -27 | 3.0 | 5.6 |
| February | 41.8 | 23.8 | 82 | -18 | 2.5 | 7.8 |
| March | 51.0 | 31.2 | 88 | -2 | 3.5 | 3.1 |
| April | 63.6 | 40.9 | 94 | 11 | 3.5 | 0.2 |
| May | 73.5 | 50.7 | 99 | 21 | 3.6 | 0.0 |
| June | 81.7 | 60.0 | 103 | 32 | 4.1 | 0.0 |
| July | 86.0 | 65.3 | 104 | 42 | 4.4 | 0.0 |
| August | 84.1 | 63.4 | 107 | 37 | 3.6 | 0.0 |
| September | 77.0 | 56.1 | 99 | 29 | 4.8 | 0.0 |
| October | 65.6 | 44.3 | 95 | 19 | 4.3 | 0.3 |
| November | 53.9 | 34.3 | 86 | -7 | 3.3 | 0.6 |
| December | 43.4 | 27.5 | 76 | -9 | 3.5 | 3.1 |
| Entire year | 63.5 | 43.4 | 107 | -27 | 43.7 | 20.7 |
|
More Lancaster Weather Records
1894–2024
|
||
|---|---|---|
| Highest daily low | 82 °F | July 21, 1940 |
| Lowest daily high | 6 °F | December 30, 1933 |
| Greatest daily range (Difference of high and low) |
57 °F | December 23, 2022 |
| Greatest difference in daily high over two conscutive days |
43 °F | Dec 23–24, 2022 |
| Most daily precipitation | 7.6 inches | September 12, 1901 |
| Most monthly precipitation | 13.9 inches | August 1933 |
| Most yearly precipitation | 63.3 inches | 2018 |
| Most yearly days with precipitation | 158 | 2003 |
| Earliest snow in season | October 19 | 1940 |
| Latest snow in season | April 20 | 1983 |
| Most daily snow | 19.0 inches | January 23, 2016 |
| Most monthly snow | 44.5 inches | February 2010 |
| Most yearly snow | 53.5 inches | 1961 |
| Most snow in a winter | 61.3 inches | 2013–2014 |
| Greatest snow accumulation | 42.0 inches | January 30, 1918 |
| Earliest freeze | September 21 | 1962 |
| Earliest day ≥ 80 °F | February 21 | 2018 |
| Earliest day ≥ 90 °F | April 7 | 1929 |
| Earliest day ≥ 100 °F | June 5 | 1925 |
| Latest freeze | May 14 | 1928 |
| Latest day ≥ 80 °F | November 18 | 1928 |
| Latest day ≥ 90 °F | October 9 | 2007 |
| Latest day ≥ 100 °F | August 31 | 1932 |
| Most days in a year < 0 °F | 15 | 1936 |
| Most days in a year < 32 °F | 156 | 1962 |
| Most days in a year ≥ 80 °F | 133 | 1930 |
| Most days in a year ≥ 90 °F | 53 | 1930 |
| Most days in a year ≥ 100 °F | 9 | 1930 |
|
Lancaster Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 13 days | Apr 30 – May 12, 1998 |
| Without precipitation | 34 days | Oct 9 – Nov 11, 1924 |
| With snow | 5 days | Jan 21–25, 1948 |
| High temperature at or below freezing |
15 days | Feb 6–20, 1979 |
| High temperature ≥ 80 °F | 82 days | Jun 24 – Sep 13, 2023 |
| High temperature ≥ 90 °F | 15 days | Jun 21 – Jul 5, 1966 |
| High temperature ≥ 100 °F | 4 days | Jul 19–22, 1930 |