Middletown, DE
Climate overview — based on NOAA 1991-2020 normals from NEWARK AG FARM, DE US.
Year-round temperatures (°F)
Climate summary
Middletown has an annual average temperature of 55.7°F with about 47 inches of precipitation per year. The warmest month is July (average high 88.6°F), and the coldest is January (average low 25.1°F). September is typically the wettest month (4.87 in) and February the driest (2.91 in).
Best time to visit Middletown
Full guide →Climate change signal
All-time records →15 of 366 (4.1%) of Middletown'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.
| 1890s | 19 | |
| 1900s | 12 | |
| 1940s | 49 | |
| 1950s | 53 | |
| 1960s | 35 | |
| 1970s | 38 | |
| 1980s | 46 | |
| 1990s | 67 | |
| 2000s | 32 | |
| 2010s | 1 | |
| 2020s | 14 |
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 | 42.5°F | 25.1°F | 33.8°F | 3.43 in | — | 9 |
| February | 45.6°F | 25.4°F | 35.5°F | 2.91 in | — | 8 |
| March | 54.2°F | 32.8°F | 43.5°F | 4.27 in | — | 11 |
| April | 66.9°F | 42.1°F | 54.5°F | 3.71 in | — | 11 |
| May | 75.6°F | 51.9°F | 63.8°F | 3.63 in | — | 11 |
| June | 83.8°F | 61.5°F | 72.6°F | 3.95 in | — | 9 |
| July | 88.6°F | 66.4°F | 77.5°F | 4.84 in | — | 9 |
| August | 86.8°F | 64.7°F | 75.7°F | 3.95 in | — | 8 |
| September | 79.4°F | 58.4°F | 68.9°F | 4.87 in | — | 8 |
| October | 69.1°F | 46.2°F | 57.7°F | 4.00 in | — | 7 |
| November | 56.9°F | 35.9°F | 46.4°F | 3.36 in | — | 8 |
| December | 47.0°F | 29.8°F | 38.4°F | 4.04 in | — | 10 |
Climate twins of Middletown
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).