This is an automated archive made by the Lemmit Bot.

The original was posted on /r/explainlikeimfive by /u/burge4150 on 2023-06-26 11:44:50+00:00.

Original Title: ELI5: if June 21st is the equinox / longest day / day with the most direct sunlight - why does summer weather seem to start after that day, instead of that day being the middle of summer and having hot weather before and after it?