Best time to travel to McLean County

Discover the ideal time to visit McLean County

Planning a trip to McLean County? Based on weather conditions, the best time to visit is during May, September and October, see the table bellow for more details.

On this page, you will find detailed climate data, graphs, and insights about McLean County to help you plan your trip and choose the most optimal time to visit.

McLean County Monthly Climate Overview

Click on a month for in-depth weather statistics and trends

Month	Temperatures	Total Rain	Total Snow	Rainy Days	Snow Days	Dry Days
January	-2°/-8°	37 mm	15 cm	2 days	4 days	25 days
February	3°/-4°	17 mm	3 cm	2 days	2 days	24 days
March	12°/2°	176 mm	4 cm	12 days	2 days	17 days
April	18°/8°	245 mm	0 cm	13 days	0 days	17 days
May	21°/11°	48 mm	0 cm	10 days	0 days	21 days
June	27°/18°	189 mm	0 cm	14 days	0 days	16 days
July	30°/20°	413 mm	0 cm	15 days	0 days	16 days
August	27°/17°	194 mm	0 cm	12 days	0 days	19 days
September	26°/15°	84 mm	0 cm	7 days	0 days	23 days
October	19°/9°	39 mm	0 cm	4 days	0 days	27 days
November	9°/1°	153 mm	32 cm	7 days	1 days	22 days
December	1°/-5°	81 mm	36 cm	2 days	5 days	24 days