Climate almanac
Somerville
New Jersey, United States · 40.57°, -74.61°
What is the climate like in Somerville?
The best time to visit Somerville is typically June, the year's most comfortable month (6.6/10). Somerville is warmest in July, when daily highs average 87°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 48 in (1208 mm) of precipitation.
- Best time to visitJune — the year's comfort peak (6.6/10)
- Warmest monthJuly — average high 87°F (31°C)
- Coolest monthJanuary — average low 29°F (-2°C)
- Wettest monthJuly (5.2 in (133 mm))
- Driest monthNovember (3.0 in (76 mm))
- Annual precipitation48 in (1208 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromFlemington 5 Nnw, 23 km away (1898-2026)