Best time to travel to Saint Louis County

Discover the ideal time to visit Saint Louis County

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

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

Saint Louis 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	-8°/-15°	22 mm	10 cm	1 days	4 days	26 days
February	-4°/-12°	67 mm	25 cm	1 days	6 days	21 days
March	3°/-4°	118 mm	35 cm	2 days	8 days	21 days
April	7°/0°	200 mm	30 cm	9 days	4 days	17 days
May	15°/5°	49 mm	0 cm	8 days	0 days	23 days
June	20°/12°	343 mm	0 cm	14 days	0 days	16 days
July	25°/16°	217 mm	0 cm	9 days	0 days	22 days
August	23°/15°	130 mm	0 cm	10 days	0 days	21 days
September	21°/13°	138 mm	0 cm	10 days	0 days	20 days
October	15°/7°	72 mm	0 cm	8 days	0 days	23 days
November	5°/0°	73 mm	18 cm	7 days	1 days	22 days
December	-3°/-10°	67 mm	23 cm	3 days	4 days	24 days