Climate almanac
Markham
Illinois, US · 41.59°, -87.69°
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