Car only starts when its cold outside?

2000 Honda Accord.

When the weather is hot( 20 plus Celsius), it won't start.

But when it's 5-10 it will start.

Why?
Added (1). injectors are good, battery is good, starter is good,

Fuel pump might be bad?

It's a Honda, they last forever!
Added (2). I don't understand the 8 years thing.

That would mean about 200,000 km and the car is done. Honda can easily last past that.

My civic is at 500,000km and nothing major has gone wrong with it.

My Accord is fine too, just having an issue starting up now.

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