Climate almanac

Markham

Illinois, US · 41.59°, -87.69°

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What is the climate like in Markham?

Markham is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically May and the driest is November; the year sees roughly 44 in of precipitation.

  • Warmest monthJuly — average high 84°F (29°C)
  • Coolest monthJanuary — average low 21°F (-6°C)
  • Wettest monthMay (5.2 in)
  • Driest monthNovember (2.4 in)
  • Annual precipitation44 in