Climate almanac

Pelham

New Hampshire, United States · 42.73°, -71.32°

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What is the climate like in Pelham?

The best time to visit Pelham is typically August – September, with trip comfort peaking in August (6.9/10). Pelham is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically December and the driest is September; the year sees roughly 44 in (1116 mm) of precipitation.

  • Best time to visitAugust – September — comfort peaks in August (6.9/10)
  • Warmest monthJuly — average high 85°F (29°C)
  • Coolest monthJanuary — average low 23°F (-5°C)
  • Wettest monthDecember (4.7 in (121 mm))
  • Driest monthSeptember (3.1 in (79 mm))
  • Annual precipitation44 in (1116 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromLowell, 11 km away (1885-2026)