Slaughter Beach, DE
Climate overview — based on NOAA 1991-2020 normals from LEWES, DE US.
Year-round temperatures (°F)
Climate summary
Slaughter Beach has an annual average temperature of 58.5°F with about 47.3 inches of precipitation per year and 10.5 inches of snow. The warmest month is July (average high 87.7°F), and the coldest is January (average low 30.2°F). July is typically the wettest month (4.95 in) and February the driest (3.17 in). Snow typically falls from December through March.
Best time to visit Slaughter Beach
Full guide →Climate change signal
All-time records →11 of 366 (3%) of Slaughter Beach'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 | 35 | |
| 1950s | 64 | |
| 1960s | 35 | |
| 1970s | 42 | |
| 1980s | 51 | |
| 1990s | 74 | |
| 2000s | 53 | |
| 2010s | 1 | |
| 2020s | 11 |
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 | 46.2°F | 30.2°F | 38.2°F | 3.38 in | 2.0 in | 11 |
| February | 48.1°F | 31.9°F | 40.0°F | 3.17 in | 6.5 in | 10 |
| March | 55.2°F | 37.5°F | 46.3°F | 4.21 in | 1.0 in | 11 |
| April | 66.2°F | 46.4°F | 56.3°F | 3.45 in | — | 11 |
| May | 74.6°F | 56.0°F | 65.3°F | 3.38 in | — | 11 |
| June | 83.4°F | 65.7°F | 74.5°F | 3.77 in | — | 10 |
| July | 87.7°F | 70.6°F | 79.2°F | 4.95 in | — | 10 |
| August | 85.5°F | 69.2°F | 77.3°F | 4.31 in | — | 9 |
| September | 79.6°F | 63.7°F | 71.7°F | 4.49 in | — | 9 |
| October | 69.3°F | 52.4°F | 60.9°F | 4.41 in | — | 10 |
| November | 58.7°F | 42.2°F | 50.4°F | 3.59 in | — | 10 |
| December | 49.9°F | 35.0°F | 42.4°F | 4.17 in | 1.0 in | 12 |
Climate twins of Slaughter Beach
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).