UPDATE
So it's been 30 days and a lot has happened since. I took more measurements of the temperature, and found out that the leaves of my plants got up to 109 degrees (38 C). I believe this in combination with the low humidity (20-30%) is why they get so stressed in the summer. I also think that because of this, keeping the soil on the wetter side shouldn't harm them at all in this weather. I know some people might disagree but a thread that promotes the "moist, not wet" rule (by the way, am the only person who thinks those to words are practically interchangeable?) also says that the tray method can be used in hotter weather.
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I never keep them standing in a tray of water except for sometimes when they are outside on a hot day with intense sun
Drier medium when the temperature is cool or cold, like during dormancy, to help prevent rot (hot, sunny and wet is usually OK; cold and wet is usually not OK)
So since then I've moved them to a spot that doesn't get any direct sunlight after 2:00 PM. And so far, things are doing pretty well. They've put out a lot of traps. Albeit smaller, occasionally burnt traps, but lots of new growth nonetheless. They've also started to put out several new growth points, which shows that they are probably a bit more vigorous and healthy than they were before. Here's a picture of there new growing space, along with individual picture of each plant.
Growing area, with a sarracenia.
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The smaller plant. With one new growth point
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The bigger plant, with three or so new growth points.
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