May weather forecast and climate
Lanark, IL

What is the temperature in May in Lanark?

In May, the average high-temperature is 72°F (22.2°C), and the average low-temperature is 46°F (7.8°C).

How much does it rain in Lanark in May?

In Lanark, in May, typically 4.3" (110.2mm) of precipitation is accumulated.
Average temperature in May - Lanark, IL
  • Average high temperature in May: 72°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 May: 46°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 May - Lanark, IL
  • Average rainfall in May: 4.3"

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 May - Lanark, IL
  • Average daylight in May: 14.6h

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

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