Climate almanac

Greely

Ontario, Canada · 45.26°, -75.56°

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What is the climate like in Greely?

The best time to visit Greely is typically September, the year's most comfortable month (7.0/10). Greely is warmest in July, when daily highs average 81°F (27°C), and coolest in January, when lows fall to about 11°F (-12°C). The wettest month is typically October and the driest is September; the year sees roughly 45 in (1136 mm) of precipitation.

  • Best time to visitSeptember — the year's comfort peak (7.0/10)
  • Warmest monthJuly — average high 81°F (27°C)
  • Coolest monthJanuary — average low 11°F (-12°C)
  • Wettest monthOctober (4.6 in (116 mm))
  • Driest monthSeptember (2.5 in (62 mm))
  • Annual precipitation45 in (1136 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromOttawa Cda, 18 km away (1889-2024)