March weather forecast and climate
Lanark, IL

Average temperature in March - Lanark, IL
  • Average high temperature in March: 46°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in March: 25°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average rainfall in March - Lanark, IL
  • Average rainfall in March: 2.6"

The wettest month (with the highest rainfall) is June (4.8").
The driest month (with the lowest rainfall) is January (1.4").

Average daylight in March - Lanark, IL
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).