Climate almanac

London

Ontario, Canada · 42.98°, -81.23°

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What is the weather like in London in January?

In January, London is typically 31°F (-1°C) during the day and 20°F (-7°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total. Snowfall averages about 11 in (282 mm) over the month.

  • Average high31°F (-1°C)
  • Average low20°F (-7°C)
  • Precipitation3.2 in (81 mm)
  • Clear or mostly clear days2
  • Snowfall11 in (282 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)