Climate almanac
Germantown
Maryland, United States · 39.17°, -77.27°
What is the climate like in Germantown?
The best time to visit Germantown is typically October, the year's most comfortable month (6.7/10). Germantown is warmest in July, when daily highs average 89°F (31°C), and coolest in January, when lows fall to about 29°F (-1°C). The wettest month is typically July and the driest is November; the year sees roughly 47 in (1193 mm) of precipitation.
- Best time to visitOctober — the year's comfort peak (6.7/10)
- Warmest monthJuly — average high 89°F (31°C)
- Coolest monthJanuary — average low 29°F (-1°C)
- Wettest monthJuly (5.6 in (143 mm))
- Driest monthNovember (3.0 in (75 mm))
- Annual precipitation47 in (1193 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromDamascus 3 Ssw, 11 km away (1993-2026)