Climate almanac

Lebanon

New Hampshire, United States · 43.64°, -72.25°

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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)