An uncut, whole cantaloupe is a resilient little beast. If you keep it on the counter at room temperature, it’s perfect for about 2 to 4 days—maybe 5 if your kitchen is a cool cave.
But please, for the love of all that is juicy, do not stick a whole cantaloupe in the fridge. That’s a rookie move. Cold air stops the ripening process cold, leaving you with a flavorless, crunchy disappointment reminiscent of eating a wet cardboard box.
Once that melon reaches peak perfume (you know, that intoxicating, sweet aroma that makes your nose happy), it’s time to eat or refrigerate the whole thing. A whole cantaloupe can chill out in the fridge for up to a week, but the flavor will plateau and slowly decline. It’s like a pop star after their third album—still good, but not as exciting.