Climate almanac

Lebanon

Maine, United States · 43.39°, -70.85°

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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 September (6.9/10). Lebanon is warmest in July, when daily highs average 81°F (27°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically December and the driest is September; the year sees roughly 47 in (1186 mm) of precipitation.

  • Best time to visitAugust – September — comfort peaks in September (6.9/10)
  • Warmest monthJuly — average high 81°F (27°C)
  • Coolest monthJanuary — average low 20°F (-7°C)
  • Wettest monthDecember (5.1 in (131 mm))
  • Driest monthSeptember (3.0 in (76 mm))
  • Annual precipitation47 in (1186 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromSanford 2 Nnw, 9 km away (1953-2026)