New Castle, IN
Climate overview — based on NOAA 1991-2020 normals from NEW CASTLE 3 SW, IN US.
Year-round temperatures (°F)
Climate summary
New Castle has an annual average temperature of 50.4°F with about 44.3 inches of precipitation per year and 24.8 inches of snow. The warmest month is July (average high 83.1°F), and the coldest is January (average low 17.1°F). June is typically the wettest month (5.34 in) and February the driest (2.46 in). Snow typically falls from November through April.
Best time to visit New Castle
Full guide →Climate change signal
All-time records →49 of 366 (13.4%) of New Castle's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 1 | |
| 1950s | 98 | |
| 1960s | 55 | |
| 1970s | 22 | |
| 1980s | 56 | |
| 1990s | 30 | |
| 2000s | 19 | |
| 2010s | 63 | |
| 2020s | 22 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 34.1°F | 17.1°F | 25.6°F | 3.01 in | 7.9 in | 13 |
| February | 38.0°F | 19.4°F | 28.7°F | 2.46 in | 6.4 in | 11 |
| March | 48.8°F | 28.0°F | 38.4°F | 3.40 in | 3.4 in | 12 |
| April | 61.8°F | 38.4°F | 50.1°F | 4.42 in | 0.3 in | 13 |
| May | 72.2°F | 49.7°F | 60.9°F | 4.85 in | — | 13 |
| June | 80.2°F | 58.6°F | 69.4°F | 5.34 in | — | 12 |
| July | 83.1°F | 61.0°F | 72.1°F | 4.70 in | — | 11 |
| August | 82.0°F | 58.9°F | 70.5°F | 3.38 in | — | 8 |
| September | 77.2°F | 52.0°F | 64.6°F | 3.07 in | — | 8 |
| October | 65.2°F | 41.0°F | 53.1°F | 3.23 in | — | 9 |
| November | 50.6°F | 31.0°F | 40.8°F | 3.45 in | 0.9 in | 10 |
| December | 38.8°F | 22.9°F | 30.9°F | 3.04 in | 5.9 in | 12 |
Climate twins of New Castle
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).