| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 35.6 | 18.6 | 77 | -24 | 2.0 | 4.3 |
| February | 40.4 | 21.8 | 81 | -16 | 2.1 | 3.6 |
| March | 51.8 | 31.6 | 88 | -12 | 3.2 | 2.1 |
| April | 64.3 | 42.1 | 92 | 18 | 4.1 | 0.2 |
| May | 73.8 | 53.2 | 96 | 29 | 4.8 | 0.0 |
| June | 82.4 | 62.7 | 105 | 35 | 4.9 | 0.0 |
| July | 86.4 | 66.5 | 108 | 45 | 4.8 | 0.0 |
| August | 85.2 | 64.1 | 106 | 40 | 3.3 | 0.0 |
| September | 78.8 | 56.0 | 108 | 32 | 3.4 | 0.0 |
| October | 66.6 | 43.8 | 93 | 20 | 3.1 | 0.0 |
| November | 52.3 | 32.2 | 88 | -5 | 2.4 | 0.9 |
| December | 40.6 | 23.9 | 74 | -24 | 2.2 | 3.4 |
| Entire year | 63.4 | 43.4 | 108 | -24 | 39.6 | 14.2 |
|
More Vandalia Weather Records
1911–2024
|
||
|---|---|---|
| Highest daily low | 88 °F | June 27, 1914 |
| Lowest daily high | -8 °F | December 22, 1989 |
| Greatest daily range (Difference of high and low) |
57 °F | February 28, 2024 |
| Greatest difference in daily high over two conscutive days |
46 °F | Dec 15–16, 2008 |
| Most daily precipitation | 5.6 inches | July 10, 1991 |
| Most monthly precipitation | 15.8 inches | September 1993 |
| Most yearly precipitation | 70.4 inches | 1993 |
| Most yearly days with precipitation | 128 | 2008 |
| Earliest snow in season | October 26 | 1913 |
| Latest snow in season | April 15 | 2019 |
| Most daily snow | 17.0 inches | February 2, 2011 |
| Most monthly snow | 25.0 inches | March 1960 |
| Most yearly snow | 59.1 inches | 1960 |
| Most snow in a winter | 60.5 inches | 1977–1978 |
| Greatest snow accumulation | 19.0 inches | February 3, 2011 |
| Earliest freeze | October 2 | 1974 |
| Earliest day ≥ 80 °F | February 29 | 1972 |
| Earliest day ≥ 90 °F | April 21 | 1987 |
| Earliest day ≥ 100 °F | June 3 | 1911 |
| Latest freeze | May 16 | 1912 |
| Latest day ≥ 80 °F | November 17 | 1952 |
| Latest day ≥ 90 °F | October 31 | 1950 |
| Latest day ≥ 100 °F | September 9 | 1945 |
| Most days in a year < 0 °F | 23 | 1989 |
| Most days in a year < 32 °F | 139 | 1988 |
| Most days in a year ≥ 80 °F | 142 | 1963 |
| Most days in a year ≥ 90 °F | 83 | 1913 |
| Most days in a year ≥ 100 °F | 26 | 1980 |
|
Vandalia Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 11 days | Jun 20–30, 1951 |
| Without precipitation | 49 days | Jul 6 – Aug 23, 1947 |
| With snow | 4 days | Feb 26 – Mar 1, 2013 |
| High temperature at or below freezing |
20 days | Jan 16 – Feb 4, 1966 |
| High temperature ≥ 80 °F | 97 days | Jun 8 – Sep 12, 1983 |
| High temperature ≥ 90 °F | 30 days | Jul 26 – Aug 24, 1947 |
| High temperature ≥ 100 °F | 6 days | Aug 17–22, 1983 |
| Years | Station | Coordinates |
|---|---|---|
| 1911–2024 | Vandalia | location |