Climate almanac
Lebanon
Pennsylvania, United States · 40.34°, -76.41°
What is the climate like in Lebanon?
The best time to visit Lebanon is typically June, the year's most comfortable month (6.6/10). Lebanon is warmest in July, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically July and the driest is November; the year sees roughly 46 in (1166 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 28°F (-2°C)
- Wettest monthJuly (4.6 in (118 mm))
- Driest monthNovember (3.0 in (77 mm))
- Annual precipitation46 in (1166 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromLebanon 2 W, 4 km away (1965-2026)