Harrison, NJ
Climate overview — based on NOAA 1991-2020 normals from HARRISON, NJ US.
Year-round temperatures (°F)
Climate summary
Harrison has an annual average temperature of 54.8°F with about 50.4 inches of precipitation per year and 28.2 inches of snow. The warmest month is July (average high 86.8°F), and the coldest is January (average low 24.9°F). June is typically the wettest month (4.87 in) and February the driest (3.26 in). Snow typically falls from October through April.
Best time to visit Harrison
Full guide →Climate change signal
All-time records →154 of 366 (42.1%) of Harrison'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.
| 1990s | 39 | |
| 2000s | 112 | |
| 2010s | 129 | |
| 2020s | 86 |
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 | 39.4°F | 24.9°F | 32.1°F | 3.66 in | 8.0 in | 11 |
| February | 42.3°F | 26.1°F | 34.2°F | 3.26 in | 8.4 in | 10 |
| March | 49.9°F | 32.7°F | 41.3°F | 4.30 in | 4.7 in | 11 |
| April | 61.8°F | 43.1°F | 52.4°F | 4.07 in | 0.7 in | 11 |
| May | 72.1°F | 53.5°F | 62.8°F | 4.36 in | — | 12 |
| June | 81.5°F | 63.3°F | 72.4°F | 4.87 in | — | 11 |
| July | 86.8°F | 68.9°F | 77.9°F | 4.81 in | — | 9 |
| August | 84.6°F | 67.0°F | 75.8°F | 4.38 in | — | 10 |
| September | 77.5°F | 60.1°F | 68.8°F | 4.33 in | — | 8 |
| October | 65.6°F | 47.7°F | 56.6°F | 4.15 in | 0.2 in | 9 |
| November | 54.2°F | 38.0°F | 46.1°F | 3.65 in | 0.3 in | 9 |
| December | 44.0°F | 30.5°F | 37.3°F | 4.58 in | 5.9 in | 11 |
Climate twins of Harrison
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).