Yeah but some days are colder, so climate change isn't real. Ever think of that?

You're overestimating some of us oldsters here. I work with people who are mostly in their 60s and 70s, and they can almost in the same sentence claim that 1) summers are hotter and winters are warmer than they used to be, and that 2) climate change is a hoax.

Oh, my friend…

You wildly overestimate the capabilities of the “average” person. I don’t even want to sound facetious or smug when I say that. Not even including the willful ignoring of the obvious thanks to ideology, politics, or other internally constructed mental barriers that deliberately exclude inconvenient informtion.

Every year when I point out to my parents that it's unseasonably warm, they always try to rationalize it in some way, like "oh it was always like this." Like oh my god no it wasn't. You're not that senile yet. But their programming is rooted so deep that they can't see the tangible reality in front of them.

I feel like this is the case for many conservatives.

The deniers are sub-average

I know plenty of olds that refuse to believe that people are causing it.

30 years or more

Where did you get that statistic? If anything it's the 30- group who actually believe in climate science. My parents are 60 and don't believe the climate is warming, despite new rules rolling out in my lifetime about extreme heat advisories. My high school started having 'heat' days where we had to study online at home like a snow day, 10 years ago, my school also didnt have AC