Salem, NJ
Climate overview — based on NOAA 1991-2020 normals from WILMINGTON NEW CASTLE CO AP, DE US.
Year-round temperatures (°F)
Climate summary
Salem has an annual average temperature of 55.5°F with about 45.3 inches of precipitation per year and 20.2 inches of snow. The warmest month is July (average high 86.8°F), and the coldest is January (average low 25.6°F). June is typically the wettest month (4.67 in) and February the driest (2.83 in). Snow typically falls from November through March.
Best time to visit Salem
Full guide →Climate change signal
All-time records →58 of 366 (15.8%) of Salem'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.
| 1930s | 16 | |
| 1940s | 18 | |
| 1950s | 58 | |
| 1960s | 30 | |
| 1970s | 34 | |
| 1980s | 35 | |
| 1990s | 51 | |
| 2000s | 42 | |
| 2010s | 50 | |
| 2020s | 32 |
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 | 41.4°F | 25.6°F | 33.5°F | 3.23 in | 6.1 in | 11 |
| February | 44.1°F | 27.0°F | 35.5°F | 2.83 in | 7.8 in | 10 |
| March | 52.5°F | 33.9°F | 43.2°F | 4.16 in | 3.1 in | 11 |
| April | 64.2°F | 43.5°F | 53.9°F | 3.51 in | 0.1 in | 11 |
| May | 73.5°F | 53.4°F | 63.5°F | 3.57 in | — | 12 |
| June | 82.2°F | 63.0°F | 72.6°F | 4.67 in | — | 11 |
| July | 86.8°F | 68.3°F | 77.6°F | 4.41 in | — | 10 |
| August | 84.9°F | 66.6°F | 75.8°F | 3.98 in | — | 9 |
| September | 78.5°F | 59.3°F | 68.9°F | 4.38 in | — | 9 |
| October | 67.0°F | 47.3°F | 57.2°F | 3.68 in | — | 9 |
| November | 55.9°F | 37.4°F | 46.6°F | 3.06 in | 0.2 in | 9 |
| December | 46.0°F | 30.3°F | 38.2°F | 3.85 in | 2.9 in | 11 |
Climate twins of Salem
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).