The best time to visit Gateway Arch is generally April, May, June, July, August, September and October. It is a national park in Missouri.
April, May, June, July, August, September and October tend to bring the best balance of weather, access and conditions. Around then, daytime highs average about 88°F and overnight lows near 70°F.
Normal Daily Mean Temperature (in degrees Fahrenheit)* January - 29.3 February - 33.9 March - 45.1 April - 56.7 May - 66.1 June - 75.4 July - 79.8 August - 77.6 September - 70.2 October - 58.4 November - 46.2 December - 33.9 Average Percent of Days with Sunshine* January - 50% February - 52% March - 54% April - 56% May - 59% June - 66% July - 68% August - 65% September - 63% October - 60% November - 46% December - 53% *Source: National Oceanic and Atmospheric Administration
Trailwind finds the moment a trip is unusually possible: the right season, a cheap fare, your open dates, and rare skies. Browse by calendar: