Climate almanac
Overlea
Maryland, United States · 39.36°, -76.52°
What is the climate like in Overlea?
The best time to visit Overlea is typically September, the year's most comfortable month (6.4/10). Overlea is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 31°F (0°C). The wettest month is typically July and the driest is November; the year sees roughly 52 in (1320 mm) of precipitation.
- Best time to visitSeptember — the year's comfort peak (6.4/10)
- Warmest monthJuly — average high 86°F (30°C)
- Coolest monthJanuary — average low 31°F (0°C)
- Wettest monthJuly (6.1 in (154 mm))
- Driest monthNovember (3.2 in (81 mm))
- Annual precipitation52 in (1320 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMaryland Sci Ctr, 12 km away (1998-2026)