Climate almanac
Dayton
New Jersey, United States · 40.37°, -74.51°
What is the climate like in Dayton?
The best time to visit Dayton is typically June, the year's most comfortable month (6.7/10). Dayton is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 29°F (-2°C). The wettest month is typically July and the driest is November; the year sees roughly 46 in (1179 mm) of precipitation.
- Best time to visitJune — the year's comfort peak (6.7/10)
- Warmest monthJuly — average high 88°F (31°C)
- Coolest monthJanuary — average low 29°F (-2°C)
- Wettest monthJuly (5.3 in (135 mm))
- Driest monthNovember (2.9 in (74 mm))
- Annual precipitation46 in (1179 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHightstown 2 W, 13 km away (1891-2026)