Climate almanac
Hammonton
New Jersey, United States · 39.64°, -74.80°
What is the climate like in Hammonton?
The best time to visit Hammonton is typically June, the year's most comfortable month (6.4/10). Hammonton is warmest in July, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically July and the driest is November; the year sees roughly 48 in (1216 mm) of precipitation.
- Best time to visitJune — the year's comfort peak (6.4/10)
- Warmest monthJuly — average high 87°F (31°C)
- Coolest monthJanuary — average low 30°F (-1°C)
- Wettest monthJuly (5.8 in (147 mm))
- Driest monthNovember (2.7 in (68 mm))
- Annual precipitation48 in (1216 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromIndian Mills 2 W, 18 km away (1901-2026)