| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 47.3 | 27.0 | 77 | -20 | 4.7 | 0.2 |
| February | 52.1 | 29.2 | 82 | -9 | 4.8 | 0.1 |
| March | 60.6 | 36.3 | 89 | -2 | 5.0 | 0.1 |
| April | 70.6 | 44.8 | 92 | 19 | 4.7 | 0.0 |
| May | 79.5 | 55.1 | 96 | 29 | 5.1 | 0.0 |
| June | 86.6 | 63.9 | 108 | 38 | 4.7 | 0.0 |
| July | 90.2 | 67.9 | 110 | 47 | 4.9 | 0.0 |
| August | 89.7 | 66.0 | 111 | 43 | 3.8 | 0.0 |
| September | 83.6 | 58.9 | 109 | 33 | 3.7 | 0.0 |
| October | 72.6 | 45.5 | 98 | 20 | 3.3 | 0.0 |
| November | 60.1 | 35.1 | 85 | 4 | 3.7 | 0.0 |
| December | 50.6 | 30.0 | 79 | -11 | 5.0 | 0.2 |
| Entire year | 70.3 | 46.7 | 111 | -20 | 53.3 | 0.6 |
|
More Lebanon Weather Records
1902–2024
|
||
|---|---|---|
| Highest daily low | 83 °F | July 28, 1930 |
| Lowest daily high | -6 °F | January 21, 1985 |
| Greatest daily range (Difference of high and low) |
61 °F | March 27, 1904 |
| Greatest difference in daily high over two conscutive days |
46 °F | Dec 18–19, 2016 |
| Most daily precipitation | 6.5 inches | September 14, 1979 |
| Most monthly precipitation | 14.6 inches | December 1926 |
| Most yearly precipitation | 77.2 inches | 1979 |
| Most yearly days with precipitation | 146 | 1996 |
| Earliest snow in season | October 28 | 1910 |
| Latest snow in season | March 30 | 1915 |
| Most daily snow | 9.0 inches | March 22, 1968 |
| Most monthly snow | 21.3 inches | February 1979 |
| Most yearly snow | 30.1 inches | 1979 |
| Most snow in a winter | 30.1 inches | 1978–1979 |
| Greatest snow accumulation | 23.0 inches | February 17, 2021 |
| Earliest freeze | October 1 | 1924 |
| Earliest day ≥ 90 °F | April 10 | 2011 |
| Earliest day ≥ 100 °F | June 7 | 1933 |
| Latest freeze | May 16 | 1997 |
| Latest day ≥ 90 °F | October 20 | 2016 |
| Latest day ≥ 100 °F | September 22 | 1931 |
| Most days in a year < 0 °F | 9 | 1977 |
| Most days in a year < 32 °F | 113 | 1996 |
| Most days in a year ≥ 80 °F | 171 | 1963 |
| Most days in a year ≥ 90 °F | 104 | 1931 |
| Most days in a year ≥ 100 °F | 22 | 1930 |
| Most days in a year ≥ 110 °F | 2 | 1930 |
|
Lebanon Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 13 days | Sep 15–27, 2009 |
| Without precipitation | 38 days | Sep 9 – Oct 16, 1923 |
| With snow | 4 days | Jan 17–20, 1978 |
| High temperature at or below freezing |
7 days | Dec 20–26, 1989 |
| High temperature ≥ 80 °F | 133 days | May 10 – Sep 19, 1987 |
| High temperature ≥ 90 °F | 40 days | Jun 19 – Jul 28, 1969 |
| High temperature ≥ 100 °F | 8 days | Jul 6–13, 1930 |