| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 33.6 | 17.5 | 72 | -26 | 3.0 | 8.0 |
| February | 37.1 | 19.6 | 75 | -19 | 2.4 | 5.9 |
| March | 48.2 | 28.6 | 84 | -9 | 3.4 | 3.2 |
| April | 61.2 | 38.4 | 89 | 12 | 4.4 | 0.2 |
| May | 71.7 | 49.4 | 93 | 24 | 4.8 | 0.0 |
| June | 79.6 | 58.4 | 107 | 38 | 5.3 | 0.0 |
| July | 82.5 | 60.9 | 102 | 44 | 4.7 | 0.0 |
| August | 81.6 | 59.0 | 100 | 38 | 3.4 | 0.0 |
| September | 76.6 | 52.1 | 101 | 27 | 3.1 | 0.0 |
| October | 64.7 | 41.3 | 93 | 18 | 3.2 | 0.1 |
| November | 50.2 | 31.4 | 82 | -10 | 3.5 | 0.8 |
| December | 38.5 | 23.5 | 72 | -21 | 3.0 | 5.3 |
| Entire year | 60.6 | 40.1 | 107 | -26 | 44.4 | 23.0 |
|
More New Castle Weather Records
1949–2024
|
||
|---|---|---|
| Highest daily low | 77 °F | July 20, 1986 |
| Lowest daily high | -12 °F | January 19, 1994 |
| Greatest daily range (Difference of high and low) |
59 °F | January 19, 1996 |
| Greatest difference in daily high over two conscutive days |
50 °F | Jan 19–20, 1996 |
| Most daily precipitation | 4.1 inches | July 24, 1992 |
| Most monthly precipitation | 13.6 inches | July 1992 |
| Most yearly precipitation | 63.5 inches | 2011 |
| Most yearly days with precipitation | 153 | 1993 |
| Earliest snow in season | October 23 | 2013 |
| Latest snow in season | April 21 | 2021 |
| Most daily snow | 12.0 inches | December 23, 2004 |
| Most monthly snow | 23.1 inches | January 2014 |
| Most yearly snow | 47.4 inches | 1996 |
| Most snow in a winter | 51.4 inches | 2013–2014 |
| Greatest snow accumulation | 19.0 inches | January 12, 1996 |
| Earliest freeze | September 17 | 1959 |
| Earliest day ≥ 80 °F | March 20 | 2012 |
| Earliest day ≥ 90 °F | May 5 | 1952 |
| Earliest day ≥ 100 °F | June 22 | 1988 |
| Latest freeze | May 27 | 1961 |
| Latest day ≥ 80 °F | November 3 | 2016 |
| Latest day ≥ 90 °F | October 4 | 1954 |
| Latest day ≥ 100 °F | September 3 | 1953 |
| Most days in a year < 0 °F | 31 | 1963 |
| Most days in a year < 32 °F | 157 | 1959 |
| Most days in a year ≥ 80 °F | 119 | 2010 |
| Most days in a year ≥ 90 °F | 47 | 1988 |
| Most days in a year ≥ 100 °F | 8 | 1988 |
|
New Castle Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 12 days | May 23 – Jun 3, 1968 |
| Without precipitation | 33 days | Sep 17 – Oct 19, 1956 |
| With snow | 4 days | Dec 14–17, 2013 |
| High temperature at or below freezing |
36 days | Dec 29, 1976 – Feb 2, 1977 |
| High temperature ≥ 80 °F | 67 days | Jun 6 – Aug 11, 1952 |
| High temperature ≥ 90 °F | 13 days | Jul 12–24, 1983 |
| High temperature ≥ 100 °F | 3 days | Aug 17–19, 1988 |
| Years | Station | Coordinates |
|---|---|---|
| 1949–2024 | New Castle 3 SW | location |