Climate almanac
Lebanon
New Hampshire, United States · 43.64°, -72.25°
What is the climate like in Lebanon?
The best time to visit Lebanon is typically August – September, with trip comfort peaking in August (6.7/10). Lebanon is warmest in July, when daily highs average 81°F (27°C), and coolest in January, when lows fall to about 14°F (-10°C). The wettest month is typically October and the driest is September; the year sees roughly 43 in (1093 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in August (6.7/10)
- Warmest monthJuly — average high 81°F (27°C)
- Coolest monthJanuary — average low 14°F (-10°C)
- Wettest monthOctober (4.6 in (116 mm))
- Driest monthSeptember (2.8 in (71 mm))
- Annual precipitation43 in (1093 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHanover, 8 km away (1893-2026)